20 percent. On-board computers, clocks and other accessories can also drain a battery over time. AGM batteries may have slightly higher voltage readings after a full charge. For example, lights left on for several days or extensive cranking of the starter motor. At some point in your testing, you’ve likely failed one of these tests. Sometimes replacing a battery is financially painful, but the right thing to do. What is the Big Deal about Overcharging the Battery? You’ll probably find that your battery is shot. Mechanics never describe a starting problem as “not running.” Starting issues are either “no crank” or “no start.” If the bike’s starter sounds like it’s turning over the engine at the appropriate speed, odds are good your no-start condition is not a bad battery. Once a battery drops below 12.4 volts, your bike will struggle to start, and at under 11.8 volts, 12 volt batteries … Motorcycle battery care Part 1 By David L. Hough . Duration: 4:31 Become A Member. test vehicle description make harley davidson model flhp sales code no. So the Watts would be: 41.6= 5.2 x 8. One has 150 A (amps) and one can have 250 A (amps). The C rating tells you how many amp hours the battery can provide for a very specific period of time. When the battery loses voltage, it happens due to the weak cells, state of charge, and the load connected to it. If the battery was weak, charge it and perhaps look into why it might be weak. These not battery problems, but they will mimic the problems a bad battery displays. When charging amperage exceeds the level of the natural absorption rate, the battery may overheat, causing the electrolyte solution to bubble creating flammable hydrogen gas. Thanks for all the advice everyone. Maybe you have a bike that’s not starting, or maybe you want to make sure your bike doesn’t get to that point. A chemical by-product of this process is lead sulphate that coats the battery plates within each cell reducing its surface area. YTX4L-BSGEL is a 12-Volt 3 Ah 50 cold cranking amps (CCA) GEL (maintenance free) battery Factory activated GEL battery, maintenance free, no acid pack needed, advanced design works right out of the … When charging a motorcycle or other small battery, the battery charger should not exceed 3 amps. Motorbike batteries are made up from a combination of such cells connected in series to give the required voltage. Make sure your charger is the same voltage (6 Volt or 12 Volt) as the battery you are charging. Charge for a full 8-12 hours.NOTE: If your battery is HOT – STOP. A parasitic draw may also be at the root of the bad battery. Also remember that charging system components are pretty expensive, and the labor to get to them is, too! RevZilla photo. (Lithium batteries spring to mind immediately as a battery that has a different usage and test scenario. Tell us what you love or what we need to fix. We have updated our Privacy Policy. 1.Battery voltage is (off charge and stable) >12.7V 2.Fully charged battery voltage never drops <10.5V during full speed start attempts. See what our customers are saying about us: Earn $5 for every qualified $100 you spend. While the starter is spinning, observe the voltage. When a battery charger has been disconnected from the battery for one to two hours, a fully charged Conventional battery should read 12.6 volts (12.8 volts with Sulphate Stop) or higher. 40 percent. I can tell you this much, though: Ignoring the issue won’t work for very long, if at all. Example. It should read anything above 12.0v but under 13.2v but ideally between 12.5 – 12.9 DC volts is required. You can attempt to charge the battery, possibly with good results, or you may also want to look into replacing the battery. Dave & Cycletron 01 ... but a more powerful charger with the amperage capacity to wake the dead, and a charging sequence (algorithm) ... it can't charge until the battery voltage drops to the output of the charger. The following table shows how battery voltage corresponds with state of charge at 80 degrees F: Note that most of you will stop here. Receive the latest news and offers from Yuasa straight into your inbox by signing up to our consumer mailing list. CCA: Technically, the CCA is the number of amps your battery supplies at 7.2 volts … While the starter is spinning, observe the voltage. Do Not Overcharge. Charging a battery reverses the chemical process that occurred during discharge. 10 percent. A good battery should not drop below 9.6 volts over 10 seconds or so. Always verify battery state of-charge before charging, and 30 minutes after charging. You can perform a test with the battery under load (working) to get an idea of the current flowing through it. For instance, at C/5 a battery might safely provide 26.8 amp hours. RevZilla photo. I took it off right away and let the battery cool off. Jump to Latest Follow 1 - 7 of 7 Posts. Here are some pictures of the battery charger and battery: The picture of the voltage is while its dropping, it drops at around … The electrical energy used to charge a battery is converted back to chemical energy and stored inside the battery. This type of DVOM will "figure out" the voltage scale on its own, so to test a moto battery, all I have to do is turn the knob to the "V." On the meter to the right, the RevZilla house junker, I have to select the scale, so it gets turned to the "20" scale on the voltage portion of the meter, which is indicated with (surprise!) (Does the bike have a parasitic draw that’s normal, like a clock or blinking security alarm light on it?). The larger battery has more potential for work than the smaller battery. The same battery stored at 40ºC loses 50% of its capacity in 4 months. Let it cool down 6 to 12 hours and resume charging. Whats people lookup in this blog: What Voltage Should My Motorcycle Battery … Most modern motorcycle batteries can recover from sub 11v using the correct type of charger. Meanwhile, the same battery may safely provide 36 amp … Nope, you won't get zapped — unless you let something bridge both terminals, then you'll get burned. The battery delivers Direct Current (DC) to the motorcycle’s electronics when the engine is turned off. RevZilla photo. Because of their smaller size, when compared to automotive types of batteries, powersports batteries are more sensitive to how much current they can safely absorb. A healthy 12 volt battery should ideally register around 12.7-12.8 volts at rest, but anywhere between 12.5-13.5 volts indicates a serviceable battery. Even though you are testing a 12-volt battery, you should know that a battery that is truly 12.0 volts is a boat anchor. Premium. Look for the label on the side or top of your battery to find out the Ah your battery delivers, when it's fully charged and in good condition. Meaning that a 20-amp battery should be charged at no more than 2 amps over a 10-hour period. Hook up your DVOM in the same manner you did for the standing voltage test, and have an assistant thumb the starter. Or you may find it's not the battery at all and a charging system problem instead. – The term “voltage” can also refer to the regulations of battery products in manufacturing, usually between a single standard battery size (12-Volts, regularly) and a group standard battery size (up to 36-Volts on the average) as well as the potential that is in storage when you recharge a battery … The number provided by the bike’s manufacturer is a minimum. are ready to go. How Many Amps Does A 12 Volt Motorcycle Battery Have; Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Related. Cranking issues are often battery related. The black lead will go into the port that says “COM” (common ground) and the red lead will get plugged into the port that has a capital “V”. Then I put my battery on my Harley Davidson brand 750 mAh tender. Batteries of a different construction type may well have different testing procedures and specification. On the picture, perhaps, the most complete regulator circuit is shown that can be found in the manual on Japanese motorcycles. your ZillaCash Rewards on a future order with us! Applying a charging current to a battery, without overheating it, is called the “natural absorption rate.”. Now the orignial Clie battery came with 800 mAh and the volts is 5.2. The reservoir at higher potential is the ‘battery source’, and the amount of water contained is the ‘capacity of the battery’. If you have not, your starter may be drawing an unacceptable amount of current, or you may have bad or corroded battery cables. This bike is passing its cranking test with flyin' colors. Overcharging a battery can lead to all sort of problems: The electrolyte may boil, the battery can overheat and buckle the plates and, in extreme cases, the battery … That's as good as it gets, in my book. How to make your motorcycle or scooter battery last longer, How to extend the service life of your leisure battery. In addition to the electron flow within the battery as it discharges, the ratio of sulphuric acid to water in the electrolyte solution is also changing to more water and less acid. Does your battery seem to be going bad? Earn You'll also hear about special offers and events! It may be necessary to use a charging voltage higher than normal to get the battery to accept a charge. Likewise a ’12v’ battery is made up of six individual cells giving a total of 6 x 2.1v … However, if the voltage drops to something below 1.1V is already a dead battery. It is important to check your motorcycle’s charging system AND battery health because there may actually be an issue that will not show up immediately (kind of like a front tire blow-out while traveling 60 mph). What we're about to discuss holds true for standard lead-acid and AGM (absorbed glass mat) batteries. There are a few tests one can run just on the battery, rather than the whole charging system, with a variety of tools. Engine-powered motorcycle batteries are usually lead-acid batteries. CCA: Technically, the CCA is the number of amps your battery supplies at 7.2 volts for 30 seconds when the ambient temperature is 32°F. Consequently, always remember to turn the power off before connecting or disconnecting a battery charger to prevent a spark at the battery terminals! Sign up for premium membership and get access to our best Harley repair videos and step-by-step instructional projects. I'll disconnect it before bed though. Alternatively Click Here to sign up to our trade mailing list. It is the second set of numbers in the battery designation. Fortunately, common sense and a few checks ferret out most battery problems pretty easily. 30 percent. ACDelco is a major battery manufacturer … So the Watts would be: … Whatever the reason, you’ve come to the right article to learn how to check your battery’s health. Is the bike’s key in the ignition position? Watts = Volts x Amps. RevZilla will match any advertised price on new merchandise available through another authorized U.S. dealer. Here we have the two main styles of multimeter. the green "V." Note that on both meters the black lead is plugged into the COM ("common ground") port, and the red lead goes to the voltage port. This excess electron flow out of the negative side of the battery, through the electrical device, and back to the positive side of the battery is what creates DC current. If voltage drops below 13.8 the battery will not fully charge. Motorcycle Battery Voltage & Amperage Premium Video Preview: Log in or become a member to get full access. Check to see if battery has been replaced with rock. For example, a deep cycle battery may have 12V 50Ah on the label, meaning it produces 12 volts … RevZilla photo. you would find the individual battery cells that store and deliver power to the tool. Is your sidestand up? If you've got one, refer to your battery manufacturer's recommendations.). The Rectifier/Voltage regulator is often a separate item. (If you have an autoranging meter, just go to “V,” because you won’t have a scale.) An AGM battery will discharge at a slower rate than a Conventional battery and does not need to be recharged as often. When to Change Your Motorcycle Battery & Understanding Battery Voltage Electrical 0 Christopher A sad fact in a motorcycle’s life is that motorcycle battery issues are generally only addressed when it is too late (i.e. If you charged the battery, re-check it! For example, a battery that has just been subject to prolonged cranking will receive a higher amperage output from the alternator than if the battery were fully charged. Please select which application you are interested in? This causes the battery to discharge or produce electrical energy. Read this review and save yourself time and money. ... OEM No: 65991-75C This 12 volt 16 amp battery (12N16-4B) is a dry charged battery… There is a way to measure and determine exactly how much amperage your system is drawing from the battery, ... having a voltage display on the battery itself can tell you tons of information about the electrical system of your motorcycle at the push of a button. If the voltage instantly drops to 0 volts, that is also a problem. Battery amperage. recharge your battery, is 10% of the 20 hour rated capacity of the battery. Touch the negative lead to the negative post, and the positive lead to the positive post. Often on modern bikes there are electrical switches that will not allow a bike to start if these two conditions are not met. During a normal ride, a motorcycle provides about 13, 14, or 15 amps while idling only provides less than 1 amp. If you have something like a 6-amp charger that you want to use on your 20-amp battery, you'll need to connect two bulbs in parallel. It powers up multiple types of conventional (flooded, AGM, gel cell) and lithium ones and can be used in … EDIT: I missed the part about the motorcycle running on multiple batteries. This was true over thirty-five years ago, when battery cases were made of hard rubber—the moisture from concrete caused this type of battery to discharge directly into the concrete floor. Batteries with an open circuit voltage below 11.5 volts may require a special charger and procedures to recharge. That means the battery has a full charge. GS Yuasa Battery Europe Ltd. All Rights Reserved. Common battery Ah ratings are 10,12, 14,16,18,24. Note that this isn’t the “right” way to do this, but it’s another clue to help you confirm or deny your battery’s health. A suitable voltage for an AA and Triple-A batteries is something in between 1.1V and 1.5V. If you plan to use a two amp charger on your motorcycle battery find the amp hours your battery has, divide that number by two, and the resulting number is how long you can leave the battery charging on a two amp per hour cycle. Once the electrons arrive back at the positive battery terminal, they travel back into the cells and re-attach themselves to the positive plates. n/a engine displacement cubic centimeters 1690 cubic inches 103 fuel system efi exhaust crossover dual bore & stroke 3.75 x 4.38 in alternator 3 phase 50 amp torque 102 ft lbs battery 28 amp … We’ll move in order of difficulty first, which coincides with the cost of test equipment necessary. When an electrical load is placed across a battery’s terminals (starter motor, headlight, etc.) ACDelco Specialty AGM Powersports Motorcycle Battery. © 2014. RevZilla photo. Good idea to check non-battery issues before you start ripping a bike to if. 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