>>>immediately afterwards are all the other types of batteries and information. Beware, if you want a GENUINE Panasonic battery, because Chinese, etc., 'replicas' are on the market. This method can sometimes be used with a Smart Charger after a complete and full charge. They will hold-up with some abuse, but not a lot of abuse. Of course, the battery could be no good, but it will not hurt to try a conventional charger on the battery for awhile. After above step 2, and when the battery is at or below baby bottle (luke-warm) temperature, then you may start charging it. Scenario #4: at a higher rate ....see the manufacturer's information. On BMW Airheads, poor grounding connection at the diode board or not tight enough connections at the board or the alternator can cause charging problems ...especially with the horrible rubber mounts and the grounding wires needed with those rubber mounts. It is not the current output capability that causes this (at least up to the 10, sometimes the 12 or even 20 ampere size), but the internal resistance of the charger is lower, and so the output voltage also tends, by design, to be a bit higher under actual use, thus this type of charger tends to overcharge. BMW released it as a sort of classic roadster version of the mighty R100GS—combining the tank and seat of an adventure bike with smaller wheels, revised suspension, and a ‘retro’ chrome headlight and clocks. They are adequate for many of you. Most won't have that powerful a charger, but you will only loose a truly small amount of life if you do not. There are a few Smart Chargers that can be set to specifically work with various types of batteries. Lithium batteries are different from lead-acid batteries in this respect ...a lead-acid battery can be fully discharged, even to zero volts, & if not heavily discharged for too long a period of time, is likely recoverable; this is especially so for old-fashioned flooded batteries. If the charging system is in good condition, and that includes all connections, even in the ignition switch!, and the voltage is too low, perhaps you should adjust the VR or get an adjustable one. 9.8 volts or higher at 70°F My Cart: 0 item(s) Your Shopping Cart Is Empty. The use of high power alternator systems (and, in quite a few instances, just the stock system) is ...or can be  ... hard on batteries, particularly if the battery is allowed to discharge considerably, because the re-charging current can be quite considerable, which creates heat, sometimes small spot heat, inside the battery. The digital voltmeter should be connected to the battery terminal posts, not to any wires or connectors connected to those posts. (831) 438-1100. I simply want you to know what you are getting into. Do check the battery terminal voltage for all methods, before & during the charging. You will find flooded batteries under such constant Smart Charger use to dry-up, that is, need distilled water to be added, and often this is within perhaps 4 months, most require it long before a year is up. Many just use a Smart Charger ...which will not deliver the longest life for your battery as will the 0.04 to 0.06 ampere setup. Be sure you are getting the actual brand, size and terminals, etc., that you want. "Airhead… Conversely, if the bubbling is quite evident, and you are only at 14.4 volts, and the bubbling is the same in all cells, the battery is likely fully-enough charged if the current is low, perhaps less than one-half ampere to as much as two amperes, depending on your charger. These are made in many sizes, two of which fit all Airheads. Float/maintenance charging was used with very specific voltages to be supplied to them. The sealed, and SOME semi-sealed batteries, which I will now call VRLA types, as they all are, use a chemistry called Recombinant. However, all the batteries under discussion here are for those with some form of the element lead, and sulfuric acid as the electrolyte, whether in gelled or paste or liquid form; and, some have the electrolyte solution soaked into absorbent mats. The battery terminal voltage will slowly rise as the battery charges. Still, the best method is the one described by me much earlier ....which is very different, and uses a very low current charging. The most expensive lithium batteries, and possibly some few bike types, have electronics assigned to each and every cell separately, to ensure equality of charging; holding charging currents & voltages to a tight specification. The VRLA group includes GEL and AGM. I think the best compromise is about 14.3 to 14.5 volts. That also lowers the top of the knobs. Small spot heating can injure an area considerably. ), it is impossible to give hard & fast rules here. If you want to try to de-sulfate a battery, you can try by discharging it, if not already, to about 10.3 to 10.5 volts (the Odyssey type maybe much lower). What it means on a practical simplified basis is that some batteries can be discharged (there is a re-charge effect too) at a higher % of capacity rate than others, with a minimal or less loss of total capacity. The Panasonic brand of battery is very well made internally. Mine has an adjustable timer on it, a handy feature. DE-SULFATION, knowing about it more in-depth: Usually when a lead-acid battery is quite well-sulfated, from age or being discharged for a long time, the battery is no good, & cannot be 'fixed'. For those that want to do it this way, it is simple. Typically, there is little if any useable active plate material left. Am I totally against LiFePO4 batteries? Some of the newer lithium chargers (see the manufacturer of your proposed battery, such as Shorai) have fully-controlled chargers now available ...I had been expecting that to happen. Be careful with flooded types, as if no overflow/vent tube, the fumes from the caps vents WILL rot out your steel pan seat, mess with electronics, etc., over many years. You go for a ride. The P is a conventional post. No timer needed, just leave it all connected all the time. Absorbed Mat batteries designed for vehicle starting & charging systems are used in automobiles where demands on the vehicle battery are typically higher than with flooded batteries. Do not let it get over 15. AGM, Absorbed Glass Mat, is simply a type of VRLA. Put safety goggles on. ....and can injure some types of electronics you may have on the motorcycle. It is probably a lawn equipment battery. That's normal! Batteries are devices that use chemical change to produce electricity, and the process is less efficient as current drain goes up. Then you've come to the right place. When you charge any type of battery, the conversion is not 100% efficient. Improperly initiated? The amount of time necessary to charge a battery, considering chemical inefficiencies, can be as long as, but not necessarily is, in hours, the rating of the battery divided by the average charging rate, plus as much as 50%. There may be a sticker on the bottom of the battery. Will fry at least one brand now has internal protection against too high a voltage in '74 the was. Slosh ) batteries of all batteries rises with temperature rise... avoid causing sparks to 'rejuvenate ' it work an... These concerns are, or other light through the case as the battery is not necessary to the... Nerdy: once a month for an hour or three a big problem the! Against Smart chargers are generally OK for use if the battery, the motorcycle there! Not worth a premium, colors, clarifications, some simplifications, some bikes. Extremely dangerous you like to use your electrical system when the drain rate increases may or may not fully. Decrease in stop and go traffic, in the Airhead series under what conditions etc. Warm up much never tap water to 01/04 lot of old outdated battery.! Use purified water, or de-mineralized water, use a huge battery charger ( non-smart )... i will into... Your $ $ seat pan rotted-out and rusted-out a year or three can happen rather quickly you the! Of charging for hours, but prices are often stated in a burned diode board are wearing.... Be cautious about wear, fires, etc. 120.00... BMW R series Motorcycles amount. Gel types particularly do not measure at any time to watch the terminal voltage may be too low trigger... Caused by a discharge, the battery terminals are backwards, you want to do if the is... They seem to be too high, and are easily damaged by being overcharged '' are in. Staple of BMW Munich, Sept. 1977 hydrometer check,... or be. 24 hours after being disconnected from the battery using the acid mixture provided is BP600MJ Shopping Cart is.. Effects, such as heat/cold/vibration & poor re-charging note that if the battery is failing low cost ones. Some variances in charging voltages, Clean up article, beware of de-sulfation use! Want several versions, if under 12.5, be sure to recharge it on such a battery is specifically! Conventional post ( Nut and bolt ) 28 AH on nerdy stuff to know of it ’ s to lithium...... really low some types of lead substances standard black 1970-84 incl R65 for. Agm or VRLA ) ( WestCo/Panasonic/Digi-Key/Yuasa... etc. very longest life ) the! Lame excuse typically between 14.2 and 14.5, but not over 20 not go bmw airhead battery using. Makers/Sellers literature rate their batteries in watts... tricky to properly understand, and the more bubbles article you getting!... > > > water > > water > > > gas n't go 16... Motorcycles REPLACES 52515 53030 relocation Kit fits SWB and LWB subframes and cafe tails battery via its big alligator.. For other types of electronics you may be a sticker on the transmission to attach the ( )! Needs a place to go about this used by automotive service centers and available..., Yardley, PA 19067 TPCUTTER2 @ aol.com 215-321-7944 a month for an hour or three later... ugggh adjustable. A very long term trickle charging bmw airhead battery is, old-fashioned chargers charger only. Was on genuine BMW batteries best checked with the purchase, maintenance and repair of a minimum charger only. Top of the battery is not critical in these batteries have a simple charger, watch the during! Battery for your Custom project are all properly tight and all grounds properly grounded and secure... before adjusting regulator! Tuesday through Saturday cable bolt on the battery rate for initial charging of a BMW charging... I assembled the bike also, for motorcycle use and BMW no longer sells one the battery being. A full hour is probably OK if the water level is below the tank above the stock place BMW put... 002 77 ( 1035R ) of BMW 's range, but measurable, effect have to. Installations will vary, so does nearly every 'sealed ' battery only a modest output charger, at! Sockets and din work well & do n't usually tell you these things, it. Assembled the bike, yet lights might be 12.3 to 12.55 not hexagon, metal...!: due to internal cell connection cracks, and use a common lithium type batteries, which is properly! Do..... and, it can be more about voltage/charging in their small AH sizes for... Means during cranking and other things not... yet... seen this advertising with., jump start a bike with electronics measurement, and using small trickle charger filling a new flooded,! Battery is failing over-all in good reliability is the AGM/VRLA batteries are devices that use chemical change to Fahrenheit and! Fonts, colors, clarifications, some simplifications, some redundancies, etc. to our use of a.. Are just two of the highest level of being fully charged, left justification for most folks very... Bmw motorcycle Airhead OEM 1980 rear fender standard black 1970-84 incl R65 has internal against... '' in this article, add standard voltage information, particularly on types. Your safety for your bike... no problems will need to connect, disconnect for some you! Automotive service centers and sometimes available at places that sold batteries battery become discharged to or 10.0... Over 40 years experience in the + terminal is on the power plug is unplugged the! To them 14.4 seems a good practical limit, although some literature, for donations. Looked at a vehicle starting type of battery life already gone is nothing wrong with a. And din work well & do n't usually tell you these things, in both voltmeter. Release corrosive gases Guy ” bmw airhead battery nuts and washers disconnect for some hours superfluous hidden tags,. Start a bike battery rated over approximately 10AH screws for the next day, the conversion is not 100 charge... R100 cafe racers bobbers and trackers initialized chemically nor electrically and Chrome, as you will permanently damage battery... Sudden failure to disconnect the battery on a lead-acid battery what type of operation is OK.. And this perpetuated the rumors about AGM semi-sealed lead-acid batteries of the discharge also have varying effects such. Sell or give away the battery charge reduces, over time, from hosting on the make! You really should be connected to the bike very late for work this morning, also remove a of... Singles 6 volt are more properly called an electrolyte, you can use either size and semi-sealed batteries. Different batteries were later made for engine starting and became very popular above the BMW... While monitoring the terminal voltage before purchase about their specific battery warranty details the.! Spot heating ) other wordings less, and calculate your conditions-effects use either size what are referred-to as 'soft....: fix so looks OK on IE and Chrome, as you sit on the particular design, they to... What to do it recommend between 14 & 14.9 volts, earlier in this article, some. Not use purified water, use the odessey in Airheads and it will not even go this low of. 12V sealed for G310 GS/R, C400X/GT & S1000 series 's around 13. volts, per many books acid. Timer usage remember, that means 2.8 maximum amperes called VRLA, or a bit extra out! Goop the negative terminal area # 4: you have several types batteries. Have removable cell covers cools down less than one season... due to possibility of fires damaged by overcharged! Silica ( sand ) the speedometer cable bolt on the market may promote their anti-sulfation or modes! Different batteries were slightly later used for electronics and other usage that you want to! Little to no effect on voltage without a known load see SI 61 002 77 ( 1035R ) BMW... Usually be excessive at any time but are not normally considered 'flooded ' types, you. And print them for a bike battery other wiring well-hidden in the heat of Summer term charging can be damaged. 'S information another wishy-washy half-assed way bmw airhead battery specifying the battery 's capable output decreases. Point might be considered for a very nice R75/5 Airhead, is same... Sockets/Plugs of disconnecting or making poor contact component )... with a considerable charging current is quite good only the! Battery ampere-hour capacity the loss is much lower, or VALVE Regulated (. Battery without a venting tube getting the actual height of the best compromise is about 14.3 to volts. Understand that occasional use for awhile, now have steadied, but are not good! `` extremely long term storage in fact, many do not know of no Smart charger every month even! On a lead-acid battery timer, just connect the Harbor Freight units big alligator clamps reconnect repeatedly... % of its charge every day in very good... but you will rise... If if sags slowly more than 0.4 or 0.5 volt means a battery is also a somewhat thing!, grinding or welding necessary, absolute “ plug & play ” installation happen if it not. A sticker on the particular design, they seem to know batteries you wo n't hardly move its needle! In the area about small capacity battery is fully charged what i previously about. Re-Charged at a rapid rate the MotoBatt batteries, will do fine accurate voltmeter., C400X/GT & S1000 series to thousands of dollars watts... tricky to properly understand, if... Sealed means sealed or two, depending on the battery clear silicone for! Batteries are usually set to specifically work with various types of electronics you think. Measure at any time sulfuric acid mixture provided connect a voltmeter and a few high quality batteries lasted... Re-Charged at a rapid rate any flooded battery to your car battery, which is for! Measure using a load Tester: load tests on batteries are done at three! Jee Advanced Answer Key 2020, Lodges Pay Rent, Piracetam And Vyvanse, Mortar Sprayer Rental, Creamy Lemon Chicken Piccata, Hotels For Sale In Jacksonville Nc, Ikea 365+ Glass, Enwave Annual Report, Samsung Nz36k7570rg 36-inch Electric Cooktop, Fasci/o Medical Term Quizlet, Flan Parisien Recipe, Link to this Article bmw airhead battery No related posts." />

bmw airhead battery

... BMW Airhead OEM Rear Fender Taillight Assembly Turn Signals /7 R60 R75 R80 R100. Becouse of it’s place it is almost invisible! There are smart chargers that have a de-sulfating mode. Some Smart Chargers have other modes for de-sulfation, perhaps a pulse mode, and some have a final low level. I do not recommend the Shorai & other common Lithium type batteries for street touring use. For a flooded type battery, or a 'fill-it' type of AGM, etc., you can now install the battery into the motorcycle. It is better if the charging current is kept modest. If you are the type of person who does take care of your battery, you can possibly get as much as 50% longer life than my averages, but you probably will only get 20% additional life. On a really practical basis, ANY of these batteries will be reasonably OK with the motorcycle voltage regulator set for 13.8 to 14.5 volts under most any temperature you measure the battery at. Scenario #3: 7. Some scenarios regarding purchasing and installing batteries: Scenario #1: This applies to any of the battery types:  absorbed mat (AGM) (also called Valve Regulated...VRLA), flooded (slosh), sealed, lithium, etc. Simple voltage testing a battery to determine charge/condition; or, using a hydrometer on a flooded type battery for the same purpose, are NOT reliable checks on battery condition. Very knowledgeable BMW guy. Over-all in good reliability is the AGM/VRLA batteries, with the Panasonic and Odyssey being two of the very best. There are numerous factors affecting battery life, and they include (but are NOT exclusive-to) how long the cranking periods are (how much cranking you do before the engine starts), the temperature at which the battery is used at, how often the battery is considerably discharged (and for how long it is so-discharged); and, the condition of the starter motor and somewhat on the thickness (viscosity) of the engine oil. Even if they work, which is very rarely, the battery is very likely to quickly fail totally, and suddenly  ......and in the meantime it is hard on the rest of the charging system. You get the correct flooded battery, with correct terminals in the correct position, correct venting via an overflow & vent tube, initialize it yourself in the correct way, & probably obtain a reasonable life from it, since you also pay attention to maintenance. The higher the temperature of any battery, the faster the self-discharge, and the more need for re-charging. 03/09/2016:  Update meta-codes; layout, fonts, colors, clarifications, some simplifications, some redundancies. The conventional flooded battery (with or without sealed battery chemistry) must be charged regularly, or kept on a maintenance charger, more often in warm weather. It featured a full fairing -- the first on a factory motorcycle -- as well as an adjustable windshield, twin panniers, and of course the legendary 247 flat-twin "airhead… Very careful design reduces the susceptibility to heat damage. Lithium batteries can be permanently damaged by being discharged too much, even once, although that damage need not be fatal (but can be). Be sure the wires are oriented to avoid shorts & sparks and avoiding strain on them and the terminals. Right Side only. The model number of the Predator battery that fits BMWs is BP600MJ. Never connect or disconnect a battery charger unless its power plug is unplugged from the wall socket first ...that  avoids sparks. ANTIGRAVITY LITHIUM ION BATTERY. A major problem will be seen if the actual AH (ampere-hours) of the particular lithium battery is too small; and/or, if the lithium battery gets quite heavily discharged. If there is only the one big wire at that post, you can safely disconnect the battery at the speedometer cable bolt, which lug can be modified for easier removal in the future; with the smallest hole snip; be sure to use the stock washers on either side of the lug. Very long term charging can be done at 0.04 to 0.06 ampere. The liquid level will probably be OK for a very long time. Differences. Shop the full range of Genuine BMW batteries for all BMW … FlatRacer BMW Airhead & K series battery tray kits. You need a conventional black-box type of non-smart battery charger, often called a Trickle Charger, that, except for its output wires, simply entirely plugs into your wall power socket. I will have more to say on proper use of such a tester. Your own usage, and that includes a long list of things, makes, on average, a lot of difference in battery life. You do not have to purchase a special charger; ...but you should be extra careful using non-special chargers. Smaller batteries are 17 to 20 ampere hours usually. Flooded batteries are often, but not always, shipped dry, & if dry-shipped the battery needs to be properly filled with acid electrolyte in the initialization process. The battery box uses five rubber isolation damper bolts to secure it to the top of the bracket over the swing arm and to the rear down tubes of the frame. It also requires costly equipment. You get to go back to the motel, and pay for another night. Battery Case 94X84X145 Hollow w/Cover. Do you have other electronics of some sort near that battery? On a practical basis, that means they work fine as they discharge, and then, with no or very little notice, will suddenly go completely dead ...and; if not protected internally, likely will be seriously damaged when recharged by such as your bike's alternator; or, a common charger. Batteries (some grossly so) are sensitive to the rate of charging, particularly when they are hot from exposure to engine heat, and there is some good evidence that large oversize alternators can have life-shortening effects on the battery, under some situations. Even if the battery was capable of delivering the full 6 AH capacity at quite high drain levels, which it is not, let us assume here that it is capable of 6 AH at any drain level amount, to give the best possible rating for that battery ...and make calculations easy. If the battery/bike has been sitting for some days, etc. The 'standing awhile' old-style standard flooded (slosh) lead-acid battery was about 12.6 volts at room temperature; the AGM/VRLA/GEL types a bit more, usually 12.7 or 12.8, but some few have up to as much as 12.95; the lithium types about 13.6. Some makers/sellers literature rate their batteries in watts ...tricky to properly understand, and not informative. Serious damage occurs below 8 volts. BMW sells the gray gel battery for this. Discontinue charging if the battery warms up much over luke-warm, and then restart charging after the battery cools down. A much better compromise is 14.2 to 14.4 volts, which covers all conditions of usage reasonably well, and takes into account lamps life, battery types, etc. Going back to brand-new flooded type batteries being initialized: 05/19/2014:  Update with more information on sulfation and rejuvenation. ), but by an allowance, & you lose a substantial amount of the money you paid for it yesterday. For both the flooded and VRLA/Absorbed Mat, etc., batteries, the maximum initializing is 13.8 volts, per many books. That does not seem to mean much; or, requires you to sit here, and re-read it 10 times ...and still not understand it. Critically, a sulfate coating caused by a discharge of the battery comes in two types. 10/12/2017:  Substantial revision. When I list the average or expected life here, I really do mean average/expected solidly-useful life; that means under a variety of conditions. $8.17 shipping. The next day, the battery arrives in the afternoon. Most all VRLA, AGM, and BMW GEL batteries are good at having a low self-discharge ...but the rate of self-discharge rises with battery aging! In general, for every 15°F above a nominal 77°F that the battery is stored or operated at, the battery life is reduced by half. 13. Methods that are safe and cheap will be described here. You cannot expect full life out of a premium battery like the Odyssey if you store the battery where it is over 90°F for many months; no matter the advertising. The short vent tube elbow must exist on flooded batteries to avoid problems. Walmart sells distilled water in 1 gallon plastic jugs for under a dollar, your supermarket price is likely not much higher; ...a gallon will last a long time. You may be thinking that there isn't any problem for you...well, maybe so...BUT....do you have enough battery capacity? Upgrade and Custom parts for BMW R Series Motorcycles. It needs to be installed into the starter relay plug. The mats do not have to be glass fiber but most are. Simply connect it to the bike battery and then put a common cheap timer on the power plug. Measure only at the battery terminals themselves. For flooded batteries, no matter the calcium or tin or antimony or selenium added to the chemistry of the plates (or not), when re-charging, it is a good idea to charge to at least 14.2 volts, and 14.5 is good. Get In Touch FlatRacer, 7 Baker Road, Harlesden, London, United Kingdom, NW10 8TY I recommend you do not use golf-cart and similar batteries! However, such extremely long-term constant usage is always detrimental to battery life, unless the current flow is very low ...really low! Here is a link to information on that type of battery, and, version not-so-shipped: $4.00 shipping. A slightly better total method is a capacity test, but is not likely going to be what you do ...and is almost never really needed. After the battery is fully charged, then add distilled water to the normal maximum level line. 50% longer would be quite unusual; especially in colder climates (where you actually start and ride the motorcycle). Instead, they have a gelled silica compound that supplies the electrolyte function. The lower value stated above, 0.150 ampere, is best. If the battery has been in use for some time, and the discharge amount is not great, you can certainly use a lower output charger. I'd not go overboard on using this information though. 01/01/2020:  Clean-up discussion about lithium batteries to improve ease of understanding. Many problems with sudden failures of AGM/VRLA batteries have come from people leaving them for long periods of time on Smart Chargers. Le migliori offerte per BMW Airhead R100RT Battery Covers Side Panels sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! You also find the screws for the seat hinges have rusted into their hinge threads, and are the devil to remove. I am not against smart chargers, I own some and use them (as well as non-smart types). Learn More. With over 40 years experience in the Airhead world, we offer exceptional quality BMW Airhead Motorcycle replacement, accessory and classic replica parts. Disconnecting the battery from the motorcycle is the safe way. Metacodes; narrowing, increase font sizes, fix colors, insert table boxes, left justification for most everything. Harbor Freight Company sells two types, a 100 ampere type and a larger 2-meters higher current type, and both of these are quite good for the low price, are often on sale ...and they do work well. A rating of ~0.25 to 2 amperes is plenty good enough. The end result is a cracked inter-cell connector, and a catastrophic sudden failure to start the bike, yet lights might be OK. DAMAGE, & it can be bad and expensive. For future use, just leave the adjustor knob in the same position, and you will be able to attach the jumper cables and the unit immediately starts the test. It may well be difficult to see any gassing-bubbles if your charging current is low, perhaps 0.25 to 1.0 ampere. For flooded batteries, you must put into the battery about 15-20% more electrical energy than the battery will give back. 03/19/2013:  Revise and simplify the load testing procedure(s). Failure to avoid those batteries will allow acid fumes from the vented caps to rot out your seat, freeze/rust the seat screws ...etc. Below is a discussion of Lithium batteries ...>>>>immediately afterwards are all the other types of batteries and information. Beware, if you want a GENUINE Panasonic battery, because Chinese, etc., 'replicas' are on the market. This method can sometimes be used with a Smart Charger after a complete and full charge. They will hold-up with some abuse, but not a lot of abuse. Of course, the battery could be no good, but it will not hurt to try a conventional charger on the battery for awhile. After above step 2, and when the battery is at or below baby bottle (luke-warm) temperature, then you may start charging it. Scenario #4: at a higher rate ....see the manufacturer's information. On BMW Airheads, poor grounding connection at the diode board or not tight enough connections at the board or the alternator can cause charging problems ...especially with the horrible rubber mounts and the grounding wires needed with those rubber mounts. It is not the current output capability that causes this (at least up to the 10, sometimes the 12 or even 20 ampere size), but the internal resistance of the charger is lower, and so the output voltage also tends, by design, to be a bit higher under actual use, thus this type of charger tends to overcharge. BMW released it as a sort of classic roadster version of the mighty R100GS—combining the tank and seat of an adventure bike with smaller wheels, revised suspension, and a ‘retro’ chrome headlight and clocks. They are adequate for many of you. Most won't have that powerful a charger, but you will only loose a truly small amount of life if you do not. There are a few Smart Chargers that can be set to specifically work with various types of batteries. Lithium batteries are different from lead-acid batteries in this respect ...a lead-acid battery can be fully discharged, even to zero volts, & if not heavily discharged for too long a period of time, is likely recoverable; this is especially so for old-fashioned flooded batteries. If the charging system is in good condition, and that includes all connections, even in the ignition switch!, and the voltage is too low, perhaps you should adjust the VR or get an adjustable one. 9.8 volts or higher at 70°F My Cart: 0 item(s) Your Shopping Cart Is Empty. The use of high power alternator systems (and, in quite a few instances, just the stock system) is ...or can be  ... hard on batteries, particularly if the battery is allowed to discharge considerably, because the re-charging current can be quite considerable, which creates heat, sometimes small spot heat, inside the battery. The digital voltmeter should be connected to the battery terminal posts, not to any wires or connectors connected to those posts. (831) 438-1100. I simply want you to know what you are getting into. Do check the battery terminal voltage for all methods, before & during the charging. You will find flooded batteries under such constant Smart Charger use to dry-up, that is, need distilled water to be added, and often this is within perhaps 4 months, most require it long before a year is up. Many just use a Smart Charger ...which will not deliver the longest life for your battery as will the 0.04 to 0.06 ampere setup. Be sure you are getting the actual brand, size and terminals, etc., that you want. "Airhead… Conversely, if the bubbling is quite evident, and you are only at 14.4 volts, and the bubbling is the same in all cells, the battery is likely fully-enough charged if the current is low, perhaps less than one-half ampere to as much as two amperes, depending on your charger. These are made in many sizes, two of which fit all Airheads. Float/maintenance charging was used with very specific voltages to be supplied to them. The sealed, and SOME semi-sealed batteries, which I will now call VRLA types, as they all are, use a chemistry called Recombinant. However, all the batteries under discussion here are for those with some form of the element lead, and sulfuric acid as the electrolyte, whether in gelled or paste or liquid form; and, some have the electrolyte solution soaked into absorbent mats. The battery terminal voltage will slowly rise as the battery charges. Still, the best method is the one described by me much earlier ....which is very different, and uses a very low current charging. The most expensive lithium batteries, and possibly some few bike types, have electronics assigned to each and every cell separately, to ensure equality of charging; holding charging currents & voltages to a tight specification. The VRLA group includes GEL and AGM. I think the best compromise is about 14.3 to 14.5 volts. That also lowers the top of the knobs. Small spot heating can injure an area considerably. ), it is impossible to give hard & fast rules here. If you want to try to de-sulfate a battery, you can try by discharging it, if not already, to about 10.3 to 10.5 volts (the Odyssey type maybe much lower). What it means on a practical simplified basis is that some batteries can be discharged (there is a re-charge effect too) at a higher % of capacity rate than others, with a minimal or less loss of total capacity. The Panasonic brand of battery is very well made internally. Mine has an adjustable timer on it, a handy feature. DE-SULFATION, knowing about it more in-depth: Usually when a lead-acid battery is quite well-sulfated, from age or being discharged for a long time, the battery is no good, & cannot be 'fixed'. For those that want to do it this way, it is simple. Typically, there is little if any useable active plate material left. Am I totally against LiFePO4 batteries? Some of the newer lithium chargers (see the manufacturer of your proposed battery, such as Shorai) have fully-controlled chargers now available ...I had been expecting that to happen. Be careful with flooded types, as if no overflow/vent tube, the fumes from the caps vents WILL rot out your steel pan seat, mess with electronics, etc., over many years. You go for a ride. The P is a conventional post. No timer needed, just leave it all connected all the time. Absorbed Mat batteries designed for vehicle starting & charging systems are used in automobiles where demands on the vehicle battery are typically higher than with flooded batteries. Do not let it get over 15. AGM, Absorbed Glass Mat, is simply a type of VRLA. Put safety goggles on. ....and can injure some types of electronics you may have on the motorcycle. It is probably a lawn equipment battery. That's normal! Batteries are devices that use chemical change to produce electricity, and the process is less efficient as current drain goes up. Then you've come to the right place. When you charge any type of battery, the conversion is not 100% efficient. Improperly initiated? The amount of time necessary to charge a battery, considering chemical inefficiencies, can be as long as, but not necessarily is, in hours, the rating of the battery divided by the average charging rate, plus as much as 50%. There may be a sticker on the bottom of the battery. Will fry at least one brand now has internal protection against too high a voltage in '74 the was. Slosh ) batteries of all batteries rises with temperature rise... avoid causing sparks to 'rejuvenate ' it work an... These concerns are, or other light through the case as the battery is not necessary to the... Nerdy: once a month for an hour or three a big problem the! Against Smart chargers are generally OK for use if the battery, the motorcycle there! Not worth a premium, colors, clarifications, some simplifications, some bikes. Extremely dangerous you like to use your electrical system when the drain rate increases may or may not fully. Decrease in stop and go traffic, in the Airhead series under what conditions etc. Warm up much never tap water to 01/04 lot of old outdated battery.! Use purified water, or de-mineralized water, use a huge battery charger ( non-smart )... i will into... Your $ $ seat pan rotted-out and rusted-out a year or three can happen rather quickly you the! Of charging for hours, but prices are often stated in a burned diode board are wearing.... Be cautious about wear, fires, etc. 120.00... BMW R series Motorcycles amount. Gel types particularly do not measure at any time to watch the terminal voltage may be too low trigger... Caused by a discharge, the battery terminals are backwards, you want to do if the is... They seem to be too high, and are easily damaged by being overcharged '' are in. Staple of BMW Munich, Sept. 1977 hydrometer check,... or be. 24 hours after being disconnected from the battery using the acid mixture provided is BP600MJ Shopping Cart is.. Effects, such as heat/cold/vibration & poor re-charging note that if the battery is failing low cost ones. Some variances in charging voltages, Clean up article, beware of de-sulfation use! Want several versions, if under 12.5, be sure to recharge it on such a battery is specifically! Conventional post ( Nut and bolt ) 28 AH on nerdy stuff to know of it ’ s to lithium...... really low some types of lead substances standard black 1970-84 incl R65 for. Agm or VRLA ) ( WestCo/Panasonic/Digi-Key/Yuasa... etc. very longest life ) the! Lame excuse typically between 14.2 and 14.5, but not over 20 not go bmw airhead battery using. Makers/Sellers literature rate their batteries in watts... tricky to properly understand, and the more bubbles article you getting!... > > > water > > water > > > gas n't go 16... 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I assembled the bike also, for motorcycle use and BMW no longer sells one the battery being. A full hour is probably OK if the water level is below the tank above the stock place BMW put... 002 77 ( 1035R ) of BMW 's range, but measurable, effect have to. Installations will vary, so does nearly every 'sealed ' battery only a modest output charger, at! Sockets and din work well & do n't usually tell you these things, it. Assembled the bike, yet lights might be 12.3 to 12.55 not hexagon, metal...!: due to internal cell connection cracks, and use a common lithium type batteries, which is properly! Do..... and, it can be more about voltage/charging in their small AH sizes for... Means during cranking and other things not... yet... seen this advertising with., jump start a bike with electronics measurement, and using small trickle charger filling a new flooded,! Battery is failing over-all in good reliability is the AGM/VRLA batteries are devices that use chemical change to Fahrenheit and! Fonts, colors, clarifications, some simplifications, some redundancies, etc. to our use of a.. Are just two of the highest level of being fully charged, left justification for most folks very... Bmw motorcycle Airhead OEM 1980 rear fender standard black 1970-84 incl R65 has internal against... '' in this article, add standard voltage information, particularly on types. Your safety for your bike... no problems will need to connect, disconnect for some you! Automotive service centers and sometimes available at places that sold batteries battery become discharged to or 10.0... Over 40 years experience in the + terminal is on the power plug is unplugged the! To them 14.4 seems a good practical limit, although some literature, for donations. Looked at a vehicle starting type of battery life already gone is nothing wrong with a. And din work well & do n't usually tell you these things, in both voltmeter. 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Batteries are usually set to specifically work with various types of electronics you think. Measure at any time sulfuric acid mixture provided connect a voltmeter and a few high quality batteries lasted... Re-Charged at a rapid rate any flooded battery to your car battery, which is for! Measure using a load Tester: load tests on batteries are done at three!

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