Portable car battery jump starters ... for trucks known for its reliability and high power. With 1,700 peak amps and a robust lead-acid battery, it's designed to handle larger vehicles, including ...

That means you're already overdue for power-outage prep. Even if the outages are fairly brief (maybe a few hours or overnight), you should have a backup battery at the ready, if only to keep your ...

For the price of a mid-range Android phone, [Kenneth Finnegan] turned a 50 caliber ammo can into a 50 amp-hour portable power supply ... in for a traditional lead-acid battery.