The Gped Car Jump Starter is normally $110, but right now you can grab one for just $46, a 58% savings. Nearly 1,000 ...

In practice the storage energy per unit mass of the modern lead battery may be expressed as follows: The battery weighs from 124.5 pounds to 186.5 pounds per horse power hour at its terminals.

When you need some juice to get your car ... acid battery can double as a power bank, charging your devices twice as fast as a standard USB charger. Its compact design ensures easy storage ...