Overcharging, overheating or even hidden manufacturing flaws can trigger a dangerous chain reaction in a lithium-ion battery known as thermal runaway, causing its internal temperature to rise.

Anker's latest sale on Amazon includes a bunch of solid power banks and charging accessories. Key among them is the Anker 737 portable laptop charger, which is 41 percent off and down to $88. That's the best price we've seen all year so far,

A nker just took the wraps off its new Solix F3000 power station that’s portable enough for vanlife, and powerful and scalable enough for life at home. The system recharges in a