Car battery chargers are also especially useful if you ... It operates at 6 and 12 volts, with 5-amp, 75-watt charging for lead-acid automotive, marine, and deep-cycle batteries, including flooded ...

a 10-amp charger puts twice as much charge into the battery as a 5-amp one. A quick stroll through a listing of battery chargers can be confounding though. Some have 40 amps and some have 0.75 ...

The Schumacher Electric heavy-duty battery charger and maintainer ... if your car has a 50 amp-hour battery, you should look for a maintainer that can deliver at least 5 amps.