The ultimate battery charger and maintainer for the latest generation 12V lead-acid and lithium batteries. OptiMate 4 Quad Program is the ultimate battery charger for the high technology 12V lead-acid ...

Having learned this, [Jason] from [Rip It Apart] decided to investigate — could this feature be used for charging Li-Ion battery packs, which need the voltage and current to vary in a specific ...

Firefighters are warning people not to mix and match lithium-ion battery chargers due to the risk of a fire or explosion. Fire department data shows that lithium-ion batteries caused 183 fires ...