Think of amps as the amount of juice that can be put back into the battery at any given time; for example, a 10-amp charger puts twice as much charge into the battery as a 5-amp one. A quick ...

the battery maintainer's charger output should be at least 10 percent of your battery's total amp-hour rating. For instance, if your car has a 50 amp-hour battery, you should look for a maintainer ...

If you need something a bit more powerful that also doesn’t break the bank, then you may want to consider this 32-amp charger from Aimiler. It has a NEMA 14-50 plug, and a 25-foot cable ...