![]() More importantly, trickle charging lets you leave a charger on the battery. Faster charging speeds can risk damaging the battery by causing corrosion or damaging the internal structure through increased temperatures. Trickle charging is a great idea, especially for lead-acid batteries. Read more about lithium battery chargers. This way you can leave the charger on the battery and keep it fully charged without having to worry. Then, when the battery loses charge, it will turn back on again. A special kind of charger called a “smart” charger communicates with the BMS and will shut off before overcharging the battery. However, most lithium motorcycle batteries have a feature called a Battery Management System or BMS. It’s possible to overcharge lithium batteries, which will ruin them. The term “trickle charging” is often used for lithium batteries as well, but this is slightly misleading. You can charge batteries at a range of different speeds, and using a lower speed can have a lot of benefits. In a more general sense, you may hear “trickle charging” used to refer to just slow charging in general. In this way, the charger is constantly replacing lost charge, keeping the battery fully charged at all times. ![]() Technically, especially for lead-acid batteries, this means charging the battery at the same rate it loses charge while just sitting there. Trickle charging works by just pumping a “trickle” of electricity into the battery. For example, a lithium battery with 10 Amp-hours of capacity can be charged at 5 Amps. When it comes to charging, they can handle faster charging speeds than lead-acid battery types. They’re much safer and more stable than lead-acid batteries, can handle more charging cycles before they begin to lose capacity, and have a more consistent voltage. Lithium motorcycle batteries, which you may see called LiFePO4 batteries, are the latest in battery tech. To give you a rough idea, I’ve calculated all these charging times based on a battery with 10 Amp-hours of capacity being charged at the maximum speed for that battery type. Charging Times by Battery TypesĪs you’ve seen, battery charging times vary a lot depending on the battery capacity and the charger. This isn’t going to be exact due to the internal resistance of the battery and the fact that you won’t be charging from totally dead, but it’s a good way to estimate. You can calculate the charging time if you know the capacity of the battery.įor example, if you have a battery with 10 Amp-hours of capacity and you’re charging it at 2 Amps, divide 10 by 2, and you’ll get a charging time of 5 hours. Some may even have settings that allow you to change the Amps and therefore the charging speed. A charger charging at 10 Amps will charge twice as fast as one charging at 5 Amps. In other words, it measures how fast electricity moves through a device.Īs you can probably guess, then, the Amp rating of both your charger and the battery, is a major part of what determines how long it takes to charge your motorcycle battery.īasically, for a given battery capacity, a charger with more Amps is going to charge it faster. How Do Amps Affect Charging Time?Īn Amp, which is short for Ampere, is a unit for measuring electric current. The following is what I’ve learned about charging a battery correctly and the time it takes. Luckily, experience has taught me that you can narrow this down if you know a bit more about your battery type and its ratings as well as your charger. Charging a motorcycle battery can take anywhere from 2 to 24 hours.
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