Another cost consideration is battery generation, as the Gen 2 Volt battery pack (24 and 32-cell design) offers a usable capacity boost of 25% and a 9% increase in power over the Gen 1 pack (18 ...

The system takes direct current (DC) from the main battery and steps it down from the pack's voltage—usually anywhere from 300 to 900 volts—to the charging voltage of a 12-volt battery which ...