The battery pack uses four 3.5 V LiFePO 4 cells wired in series to achieve a nominal 12 V supply that stands in for a traditional lead-acid battery. The angel of second-hand purchases was smiling ...

The trade-off is a much smaller and lighter battery pack. Lead-acid batteries are similar to traditional car batteries, ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t ...

It is based on what’s old-is-new-again technology: lead-acid, with a twist. The battery is a gel lead-acid implementation, developed in collaboration with VDL Groep, a diversified Dutch ...