The Z1K-HV controller can regulate up to 1000 Amps of motor current and run on battery packs of 72 to 300 volts nominal (375 volts maximum).
The Z1K-EHV controller can regulate up to 1000 Amps of motor current and run on battery packs of 72 to 348 volts nominal (429 volts maximum).
The Z2K-HV controller can regulate up to 2000 Amps of motor current and run on battery packs of 72 to 300 volts nominal (375 volts maximum).
The Z2K-EHV controller can regulate up to 2000 Amps of motor current and run on battery packs of 72 to 348 volts nominal (429 volts maximum).