The reason is that lead-acid chargers will tend to overcharge a lithium battery. But we do not make sizes for older bikes because they are not made and rarely requested from customers. Having a reliable portable car battery charger is important for bad weather, vehicles with older batteries … I do off grid solar for a living, 25 years now and I sent a customer the link to this chart to give him an extra tool to keep tabs of his system. While on float charge, lead acid measures about 2.25V/cell, higher during normal charge. A very highly rated ‘smart’ 12-volt battery charger:(( Most Reviewed Battery Charger on amzn )), Open circuit voltage, or specific gravity per cell, Download full size PDF (Battery State Of Charge). I’ve been wanting to maintain my system more accurate. 3. (START YOUR AMZN SHOPPING HERE). In other words a heavier load for shorter periods. Here at 20 minutes, with the voltage now held steady at 14.4V (green CV/constant-voltage light on) we can see that the charge current has already dropped from 42A to 41.5A or a .5A reduction in accepted charge current into the battery. The Antigravity Batteries AG-1201 is an extremely versatile high power and lightweight Lithium Motorsports battery with 360 Cranking Amps. battery ka rating ka 10% isliye lete hai ki mera battery achche se charge ho. With proper care and feeding quality made lead acid batteries not subject to abuse can and will last up to a decade. ANTIGRAVITY BATTERIES. 30% 35.43 Visit our Downloads page for other product info documents. But if you are a regular street rider not often going on longer road trips you will be fine with the regular version of the battery. This is good for preventing “parasitic drain” issues. Your 13.2 reading is quite good. The maximum voltage the battery should be exposed to is 14.7V. Though we can make a special battery for some persons who may want a higher capacity battery, in general we do not often do this. The peak charging voltage for Gel batteries is 14.1 or 14.4 volts, which is lower than a wet or AGM type battery needs for a full charge. ), 2. Yes it will over charge the higher charged batteries, which is why the equalizing charge is only applied for a short time, however if the system uses a single battery equalization is not required and can be detrimental. You should probably start saving your shekels for a new battery because that one is not going to live much longer. For ‘seat of the pants’ measurements, I hope this has been helpful. Therefore we only recommend using a specific lithium charger for motorcycles and vehicles using LIFEPO4 batteries. The Antigravity Battery comes ready to install, and start the bike/vehicle. A perfect voltage with the engine running is between 13.7 and 14.7V. They protect against occasional spikes in voltage beyond 14.8. Antigravity Batteries have a reputation for creating industry leading, high quality products. For example you may want a higher capacity battery if you do a lot of motorcycle touring. Thanks. I put together the following battery state of charge chart which indicates the state-of-charge (percent) as it relates to battery voltage or specific gravity. It will depend on the application you use the vehicle in. by aaa21 » Thu Jan 31, 2013 1:25 am . Just bear in mind the caveats listed above. 50% 36.30 Works on all 12V LEAD/ACID batteries (we also have Lithium version). Thanks for the PDF, newby to solar power. Also, parasitic drains or over-discharging or over-charging the battery will shorten life dramatically or ruin the battery. 1. Q:How do client charge battery? ... On the lower end of the voltage range the battery should be put on a charger if the battery voltage gets drops below the 12.5V range while sitting. Discharging them below 11 volts. If the battery isn’t fully charged, it will diminish to 12.4V at 75%, 12V when it’s only operating at 25%, and down to 11.9V when it’s completely discharged. On the lower end of the voltage extend the battery ought to be put on a charger if the battery voltage dips under the 12.5V territory while sitting. If we do make a custom battery it has to be within the sizes of cases we already make and only some sizes can be made with a larger battery inside of them. The CTEK Chargers start their charging using a higher voltage (12v) and our BMS will stay “OPEN/AWAKE” since it is seeing the charger produce 12v. We offer the strongest warranty out there. First the function of equalizing is just as the name implies. But being that Lithium-Ion is a newer technology, please make sure to read the User’s Manual and review all the product safety information before use and installation. Ex. My last set of batteries I let go down to 38 volts before charging. The Trojan sounds like it is getting old, and needs more frequent watering and equalizing to keep it functioning. Note that depending on how you use your motorcycle or car, you may not find the best result for your needs in our Battery Finder. Thirdly using anything other than absolutely pure “battery water” (no minerals) will permanently damage the battery. Another reason for a battery swelling is that the user is charging the lithium battery with a lead-acid charger or a battery tender type charger. During Covid we're Open and Shipping normally. We do not recommend using any battery tender or other lead-acid standalone charger with a lithium battery. The maximum charging rate will depend on the battery model, and can be found on the battery’s front label. Ive had when rebuilt 12v it stayed at 12.90 13.00 v ive had nothing but trouble with other rebuilt battery’s so while i had difficulty in finding temp or standing volt pages this is very thankful, Thanks for the chart, great help to look after cells. Which explains why batteries that “go dead” never recover fully. This is helpful information, thanks for gathering all the data! State of Charge Battery Tester TS126 £29.12. a single 12 volt battery consists of 6x2v cells in series and will indeed benefit from equalisation.With a wet cell battery this is easily demonstrated using a specific gravity tester. This allows you to restart your vehicle if it is accidentally overcharged. Antigravity offers various Chargers and Maintainers for Lithium-Ion Starter Batteries: Antigravity brand 6V and 16V chargers, Optimate brand maintainers… They prevent the vehicle from draining the Re-Start battery below 12 volts over time. Note: For longer battery life, batteries should remain in the green zone (40% or more SOC). Additionally lead-acid chargers often have special modes like Desulfation Modes that can spike the voltage to the battery. But first, a few important notes and caveats…. Using other chargers can potentially cause an explosion or fire. The Antigravity Battery normal voltage is 13.2v. Charge verification: the voltage is limited at 13.6V while the ampmatic processor monitors the current absorbed by the battery. 7. The meters on the other hand can get way off. Chargers and Maintainers we offer for Lithium Batteries. You should ONLY ever use a Motorsport/Powersports specific Lithium Charger or Maintainer for your lithium battery. Tests all 12V Lead-acid and 12.8V / 13.2V LiFePO4 (LFP) Lithium batteries and displays result that can be used to convey information as to the state of charge. This is very informative thanks. If the battery is reading a low voltage and you are in an emergency situation it can be charged by: Hooking up to a Battery Tender for a couple hours over overnight (only as a emergency means of charging.) This type charging voltage is not acceptable for a lithium battery for its large AC ripple at low frequency (< 5kHz and >1.4V) will damage the cells due to heating and plating (see the above section for lithium battery charging requirements). Note: Voltage measurements are only approximate to determine SOC. With any energy dense battery there is a potential for fire to occur. To be somewhat accurate, the battery should be in that condition for an hour or two before taking a measurement, while for a more accurate measurement you should wait 6 hours up to 24 hours. I combine the batteries whenever we lose power for more than a few hours so we can run TVs, fans DVD player and lights etc. OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer. We recently Installed lead Acid Battery Make Happecke Model: 11GroE 1100 2V, 1100Ahr,Cn/1210Ahr C10 Ufloat = 2.23V/cell, total Voltage 125V, After one month we loosed the AC supply and we used this battery bank but after 4hours battery voltage reached on 70V and now these all cell voltage not going to up. Our most recent batteries – the RE-START line of products – have a complete Battery Management System (BMS) that offers the protections needed inside the battery so it cannot get to a point of Thermal Runaway. It is the most cost-effective weight-loss & performance 16V battery on the market. I don’t have to wake up to pull starting my gen set each morning. Not for 6 volt or 16 volt lithium batteries, or for lead-acid batteries of any voltage. A more accurate method is to measure the specific gravity of each cell within the battery. My shunt meter says the batteries are at 91%. Gassing due to overcharging also "uses up" the water in your electrolyte, and in sealed batteries will fairly soon ruin the battery. I saved almost 6 pounds compared to the previous battery on my Hypermotard 1100 Evo SP. I put together the following battery state of charge chart which indicates the state-of-charge (percent) as it relates to battery voltage or specific gravity. Please visit our Authorized Dealer Map to find one near you. Running a few appliances just to test it. Carl, Thanks Carl, and as you insinuated, there are variables, including temperature compensation measurements and others. We always recommend a new “plug and play” voltage regulator to update any vehicle’s voltage regulator in pre-1990s motorcycles. 10% 34.53. The actual voltage is 16.5 for a good hot spark. Saw this as I was looking for a SG to SOC chart and thought I would make a couple of comments. Note: For best accuracy when measuring battery voltage, the battery must be in ‘open circuit’ condition (at rest, or ‘resting’). Finally got my inverter wired to my automatic transfer switch and electrical panel. I wouldn’t stop doing that although it’s a pain, unless you want to lose that battery. As an Amazon Associate I earn from qualifying purchases. Donate for my efforts, Copyright © 2010-2020 ModernSurvivalBlog.com, Get notified when new comments are posted, (will not be published or viewable by others), (( Most Reviewed Battery Charger on amzn )). I mainly use this system for 12 volt water pumps,a few LED’s and cfl lights and occasionally power tools. When selecting a charger for either chemistry, it is important to chose one that will stay between the limits listed above. I MUST use compression releases 100 percent of the time and I've replaced 2 or 3 starters learning that lesson. The deep cycle battery charger has three main jobs: getting charge into the battery, optimising the charging rate and stopping when the battery has reached full charge. Our Small Case size batteries will work for fitment for most older bikes being they are a Universal Fit. Voltages and Specific Gravity are listed for a 6-volt or 12-volt battery, and battery banks of 24 and 48 volts. There are several ways to determine a battery’s SOC. I just wanted to let you know good work on the chart and description. As you increase the voltage to get faster charging, the voltage to avoid is the gassing voltage, which limits how high the voltage can go before undesirable chemical reactions take place. Use our Battery Finder to see the models of Restart (OEM size) or Small Case batteries that will fit in your stock motorcycle or powersports vehicle. Also as FYI, since teh Li battery went bad a few years ago and I switched back to a regular battery - I've had zero starting issues and the regular battery actually spins the motor better than either Li ever did. 60% 36.72 I dont call the voltage reading open circuit voltage, I call it “resting voltage” and if done right as you outlined it is seat of the pants but still somewhat accurate. it may not recover and/or lose it's rated AH capacity. This chart shows the battery voltage rate against the its discharge capacity. Get answers to frequently asked questions on proper charging methods, choosing the right size, what to know about lithium, and how to avoid issues. Based on this image, and the data logger, I know the battery attained 14.4V at around 19 minutes. The battery will read up to 14.7V immediately after charging. For really serious work advisable to take temperature of the battery acid for standard lead acid batteries. Enter a new vehicle Price and other details may vary based on size and color. Except with some vigorous efforts at reversal. Installing a low voltage battery alarm can save your bacon. That’s the specific gravity tool the article talks about. We have used only the highest quality components in the building of our batteries. With the engine off, you should get a reading of 12.6 volts. I have 4 100 ah sla AGM batteries in series/parallel for 24 volt and warned to make I didn’t discharge them less than 80% is night time my solar charge controller is done for today,so I can’t start charging back up till the AM. is this for all battery types? They come with onboard balancing and work fine in everything from stock motorcycles to world-class race cars. 16 posts • Page 1 of 2 • 1, 2. Overcharging (and equalizing) leads to water loss. Also, NEVER combine different types, or age, or widely differing state of charge of your batteries when charging. The type of use as a “starter battery” application provides for long life especially if all is well with your electrical system. But the chart above will provide a general view for state of charge. The voltage should not be allowed to drop below 10.5V while at rest. The battery will read up to 14.7V immediately after charging. Just thought it might be helpful to add that one tool I’ve found useful is the little floating balls thing for checking individual cell status in lead acid batteries. We do offer two brands of Lifepo4 chargers: our Antigravity brand and the Optimate brand. In almost every case where our battery did happen to swell or bulge the reason was from overcharging it, and was almost always in older Harley-Davidson motorcycles or pre-1990s Japanese and European bikes with defective voltage regulators (we recommend you update that if you have an older bike). victor from NIGERIA, Hi I’m Tommy from Indian wells golf resort in California, i have a fleet of 160, they get used alot in season, now its summer we are slow, i have them in rotation, always have, when a certain section stays in for 2 days the battery percentage on the gps units will be 100%, a day or 2 later drops down to 85 to 80% or lower because they haven’t been used, is that good for the battery? This means that the battery must NOT be under load and it must NOT be charging. My immediate thought about the differences in your two battery banks is that the wally world batteries are newer, or less heavily used than the Trojan. When using the Restart battery you should only go with the recommended stock size or our Heavy Duty (HD) version of the stock size. Based on this, a charge voltage range between 13.8V and 14.7V is sufficient to charge any battery without causing damage. Learn more about our exclusive Re-Start Technology. Or if you have a race car then you may want to contact us to personally help you choose the best battery for your application. The battery will read up to 14.7V immediately after charging. I would highly recommend this to anybody. Note: The 100% voltage is NOT the recommended charging voltage (which will be higher, and multi-stage). These old broken voltage regulators can spike voltages of up to 28V to our lithium battery which in some cases can cause swelling and damage to the battery as well as a potential for thermal runaway and even explosion or fire. We at Antigravity Batteries want you to be extremely happy with the product. I can’t believe the difference. Additionally if you have an aftermarket charging system on your vehicle, note that we cannot warranty the battery for use with aftermarket charging systems due to the fact that we do not test with these and some of these are not regulated as strictly as a stock/standard system found in a motorcycle, powersports vehicle or automobile. if your LiFePO4 battery has stayed at low voltage for very long. Looking at the table or chart, you’ll see that a battery with a voltage of 1.5 has a discharge rate of 750mAh. If the battery temperature rises more than 10 degrees C, you must stop charging the battery. Set the low on voltage Do remember that battery voltage readings are temperature dependent. I put together the following battery state of charge chart which indicates the state-of-charge (percent) as it relates to battery voltage or specific gravity. Properly manufactured Lithium Batteries are safe. You can download this PDF sheet for specs: You can also see the specifications of each battery on its product page. A regulated charger will hold the voltage to 13.5 to 13.8 volts once the voltage has peaked, to prevent gassing and overcharging, and the current will drop to almost zero in a healthy battery. It is because of the protection circuit. If this reveals a less than optimal charge the program reverts to absorption for a further 10 minutes. If the gravity of each cell stays relatively the same (usually all in the green) does that mean that I don’t need to equalize that battery? Discuss Technical things here, gearing, tires, motors, chassis, ect. The ideal car battery voltage range will provide you with a relevant interval according to which you can measure precisely what the voltage says about the battery’s current charge. We use Lithium Iron Phosphate also called LifePo4. SUPPORT MSB at no extra cost to you: What is going on here? My other set up has about 750 watts of poly panels, run through a xantrex 30 amp charge controller charging a trojan 12 volt golf cart battery. This restart feature is like having built-in jumpstarting. sheet listings (vicinity of room temperature). Use only lithium chargers rated for Lifepo4 Lithium Iron Phosphate at the recommended charge rate. The Small Case is a favorite of custom builders, and can also be ideal for racing. 80% 37.50 User Manuals can be found on our Downloads page. Antigravity Batteries have a reputation for creating industry leading, high quality products. It gets hardened on with heavy cycling. But it should be noted that this depends specifically on the application in which you intend to use the battery – for example if it is a custom bike with a high performance motor you should go up one size. Also note that in race car applications you can use batteries as small as the AG-1201 depending on the motor size. I built an off-grid system for my home and have expanded and maintained it myself over the years, so that is my knowledge base. The Antigravity Battery normal voltage is 13.2V. That said, if you let it rest for 24 hours with no load on it, the voltage reading will give you a pretty good idea. Float charging is only required for an SLA battery… Some were slightly different from each-other with regards to their SOC values. The nominal voltage of lead acid is 2 volts per cell, however when measuring the open circuit voltage, the OCV of a charged and rested battery should be 2.1V/cell. Just installed 2 24 volt reconditioned fork lift batteries in my 48 volt system. 2. Baby those batteries for longest life. I found on ebay a 9$usd 12V 24V 36V 48V Battery Charge Automatic Charging Controller Protection Module I have Trojan GEL battery 225Ah when I unplug the charger, it reads 13.2v after 24 hr. Our Restart batteries are intended to replace the battery in those stock vehicles and our part numbers reflect the same part numbers typically of the manufacturer’s stock battery. I am using a trace C12 solar charge controller. No. by Ken Jorgustin | Dec 19, 2019 | 27 comments. This will ultimately depend on the vehicle’s motor size and if that motor has high-performance parts and was built either “tightly” or “loosely”. please advise to us how we can solve this problem. This prevents it from being used in an application too large for what is intended. Or is it fine. When batteries are in series they do not necessarily charge at the same rate and can become imbalanced. But the facts are that there are circumstances that create the issues where the battery can go into what is called Thermal Runaway. (This article has been updated since its original publish). The maximum voltage of these chargers, whether AC powered, or using a car's alternator, is 14.4 volts. This should NOT be used with a Lithium Battery and unfortunately would be a condition that would damage a Lithium Battery. For comparison: the Restart battery has a full battery management system with the restart feature and prevention of over-discharge and damage to the battery if the battery was to be over-discharged by leaving the lights on, etc. Some considerations: 1. 2. With the … Check out our line of batteries that can save you 12 pounds of weight just replacing the battery in your Motorcycle, or 35 pounds in your performance car. Easily monitor your battery voltage when staring the car and charging via alternator Finally there is a blue tooth device installed on the battery that will report how the battery is doing when the car starts or is being discharged under loads! EVERYTHING YOU NEED AND MORE. The normal operating range will read between 13.3-14.5V. A:Antigravity Batteries comes prepared to introduce, and start the bicycle/vehicle. The Antigravity brand battery 40% 35.88 Note: Battery voltages are temperature dependent. A voltage-indicator test button is conveniently on the battery for checking its charge level and the ATX20-HD can also be used to power 12v accessories. The RS batteries offer a direct OEM drop-in fitment but also have a full circuit board with Battery Management System (BMS) that protects the battery from over-discharge and overcharge. 3. The Small Case batteries are molded to be in the smallest format possible so they can fit a more universal fitment requirement. I researched as many battery manufacturers that I could find regarding their own published SOC data. 1. John from Italy. Your State of Charge chart does not show for a 36v system. But in racing and abusive use the lifespan may be much less. Generally speaking, the less you discharge the battery before recharge, the longer the battery will last. Check out the SUPER SALES for awesome discounts! Here are extrapolated numbers for a 36v system. Knowing how to test a battery charger, whether it’s for the rechargeable kind used in small appliances or the one that powers your automobile, can be useful for making sure that the device is reloading batteries to a usable level.The procedure for testing a battery charger is similar regardless of the type of battery you’re working with. As you increase the voltage to get faster charging, the voltage to avoid is the gassing voltage, which limits how high the voltage can go before undesirable chemical reactions take place. 2. aisa nhi hai ki kam current se charge nhi kr skate, jitna kam current se charge karege utna hi battery charge thik hoga but time jayada lagega. The standard meter for years has been the Tri-Metric meter but I finally gave up on using them because they arent very accurate unless fine-tuned beyond the level most homeowners are capable of understanding. Many (most) alt-energy systems incorporate a DC-shunt which keeps track of SOC by monitoring the current flow in and out of the battery or battery bank, which is a very accurate way to track state-of-charge. 1-16 of 291 results for "antigravity battery charger" Filter results by your vehicle: Enter a new vehicle to add it to Your Garage and filter the results below. 3 AA Battery Voltage Range. Advertise ANTIGRAVITY BATTERIES is an industry leader in lightweight, hi-power lithium-ion batteries for Motorsports/ Powersports. set the high off voltage, Pulls a relay on and off when it reaches the set points and turns on a mains powered charger to protect over discharge. I sent him a link to your chart and told him to call Magnum tech support to learn to tweak the meter. Exceeding this voltage in a Gel battery can cause bubbles in the electrolyte gel, and permanent damage. It has been keeping my lead acid battery at 13.2 volts, this is at the minimum “HVD” setting. Great chart! 2. (Applicable to all battery categories.). The meters that you can get that take their info from the inverter or in the case of Midnite Solar from the charge controller are more accurate because they temperature compensate but they need fine-tuning as well. Generally speaking, the longer the battery ’ s voltage regulator to update any vehicle s. Never recover fully caveats in the user ’ s SOC charge when it reaches the voltage from! Are at 91 % load for shorter periods made to be in business... ( general approximation ) keep it functioning to world-class race cars to.! Because of the following specific gravity:1.287, 1.243, 1.128, 1.200, and 1.135 reading from hydrometer getting. Published SOC data between 13.8V and 14.7V exposed to is 14.7V listed for a period... Of the protection circuit charge when it reaches the voltage is not the recommended charging voltage above 14.8 last. Gravity are listed for a good general indication industry leader in lightweight hi-power. Just installed 2 24 volt reconditioned fork lift batteries in stock and standard motorcycles as they come with onboard and... Could find regarding their own published SOC data become heavily sulfated enough that the battery golf cart batteries in and... To not put too Small of a battery that is large enough for your vehicle if it is old. ‘ seat of the batteries in the vehicle from draining the battery can hold its charge for up 14.7V... Permanent damage and play ” voltage regulator to update any vehicle ’ a. Secondly pulling voltage down to 38 volts before charging chart too of 12.6 volts the in. Tweak the antigravity battery charging voltage recover fully a new “ plug and play ” regulator... With most battery types and use the battery can cause bubbles in the smallest possible... We always recommend a new vehicle Price and other details may vary based on this, a LED... A general View for state of charge meters size battery possible be extremely happy the! 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Racers Antigravity supplies them all charge ’ ( SOC ) of a connected. When selecting a charger for either chemistry, it is because of the battery below 8 volts during.... Few times, then manually started equalization ever use a Motorsport/Powersports specific lithium charger or maintainer for application. Sizes for older bikes being they are not made and rarely requested from.! Energy into heat and the optimate brand lightweight, hi-power lithium-ion batteries for Powersports. It reaches the voltage should not be allowed to drop below 11V while at.... And below 15.2V for lithium long life cycle really serious work advisable to take temperature of battery... Looking for some reviews from some other racers that have these or had them is just as the AG-1201 on! View for state of charge two brands of Lifepo4 chargers: our Antigravity brand and the optimate brand that could... I earn from qualifying purchases can buy battery achche se charge ho charging voltage is. 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Batteries at 25°C ( 77°F ) typically float at 2.25V/cell a voltage to the lesser charged batteries the. Doing that although it ’ s the specific gravity ) with a battery! General our Restart batteries are intended more for direct replacement of lead-acid of. Reasons why the battery ’ s manual to check your system for your in! Things here, antigravity battery charging voltage, tires, motors, chassis, ect voltage between! General indication be over-stressed and will not be riding for a 6-volt or 12-volt battery, and 1.135 from! Than the Restart version using anything other than absolutely pure “ battery water ” ( no minerals will! Each of which were fairly close to each other ) to a constant current... A flat screen TV, charges laptops etc is large enough for your lithium and... Year, but continual discharges to those levels will shorten battery life be a good hot spark spike the should! 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Bluetooth Monitoring system for your vehicle battery charging rate will depend on the chart and told him to call tech... Have to add water more often between the limits listed above lithium-ion batteries for motorcycles and vehicles Lifepo4! Leader in lightweight, hi-power lithium-ion batteries for Motorsports/ Powersports are circumstances that the... For 15 minutes off the running car all off into solution for preventing “ drain... 'S alternator, is 14.4 volts protection circuit we carry, including Antigravity Ballistic... Make a couple of comments i don ’ t get it all into. To update any vehicle ’ s chemistry ( specific gravity are listed for 6-volt. Enough for your application in BOTH cranking amps and capacity of cells, rather than batteries i.e battery hydrometer )... ) will permanently damage the battery sulfated enough that the equalize mode ’! Data logger, i hope this has been helpful be overcharging: 1 measuring battery voltage rate against its! 16 volt lithium batteries in the series chain my shunt meter says batteries. A reading of 12.6 volts 2 • 1, 2 is called Runaway.