A car battery left in a state of discharge can begin ... device that is designed to keep 6-volt and 12-volt batteries going strong. The GENIUS 1 can charge all types of lead-acid and lithium ...
If you're planning a drive, a dead battery ... lithium car battery jump-starter pack. It can last up to 20 jump starts on a single charge and is capable of powering up 6-liter gasoline engines ...