This all-in-one device fits any EU or North Amercan electrical outlet and offers three charge modes: Low, High, and Optimization.  (5.9 kg)

Low - Default charging profile. 1000 Watts at 120/230 Volt.
High - Use only when the battery needs to be charged quickly (2 hours). 2000 Watts at 120 Volt; 2500 Watts at 230 Volt.
Optimization - Suitable for low output power sources such as inverters. 450 Watts at 120/230 Volt. Note: If an inverter is used to power the charger make sure it supplies a true sine waveform.
 
12 gauge wire from 20 amp breaker is required.