|
Small Lipo batteries can dump a lot of juice pretty quick, hence they can jump start a car. I've jump started my motorbike with a small Lipo a few times. But the storage capacity doesn't need to be too high to do this. The ones I have are for r/c helicopters so they are made to discharge quite fast.
But as Tony has said, they can be a bit volatile. Though to be fair, I've seen a heap of Lipos poorly treated (such as crushed to half their original length in a crash) and have only seen them go up once or twice in my whole time using them (many, many years). The main danger seems to be if you charge them incorrectly.
LiFePO are meant to be much safer though and in fact my motorbike battery is one of these. Much lighter than the lead acid battery it replaced and can handle sitting around not being used a lot longer.
|