Enter a car jump-starter. Think of a portable jump starter as a big power bank that has jumper cables and can give you ... this Avapow portable jump-starter packs some serious power.

But they do perform as promised, so long as you remember they do not have an unlimited shelf life. The post Tech 101: Looking Into Lithium Battery Jump Packs appeared first on The Online ...

Add one to your emergency kit and never worry about a dead battery leaving you stranded again.