Did you know all EVs have a traditional 12-volt battery, and without it they won't start? Learn more about this surprising EV feature.

12 + 48V + DC/DC dual voltage redundant power supply solution Zhuhai CosMX Battery's dual-voltage integrated products basically expand the system architecture on the 12V system, retaining the original ...

Doing this enables the internal combustion engine to kick in and charge the traction battery, which in turn feeds the 12V battery via a DC-to-DC converter ... trickle charger. These supply a constant ...

[Robert Nixdorf] frequently needs to use this high-end audio recorder, but it sucks dry a set of eight AA batteries in just a few hours. Obviously a longer lasting solution was required, and he ...