Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t something you carried with you. They were heavy lead-acid automotive batteries ...

Portable car battery jump starters can be essential in case of a battery emergency. If your car refuses to start from a weak or dead battery, these compact devices can jump-start your car wherever you ...

Jump-starting dead batteries with portable jump-packs has never been easier, and in the case of cars and pickups, never more economical. Portable jump-packs are essentially a high-capacity battery in ...

Lithium-ion batteries revolutionized the world when Sony brought them to the mass market in 1991. Compared to previous rechargeable battery technology, they were lighter, more energy-dense, last ...