3 - in - 1 system that expertly combines an inverter, battery charger and automatic transfer switch into one powerful and lightweight unit. The two 50 Amps legs set its performance apart from common 50 Amps inverter chargers. The configuration allows users to make full use of a 100 Amps shore power service (240V) by passing through up to 12,000-Watts of power! It is also compatible with all 30 Amps services. The inverter charger also includes a battery temperature sensor helping extend battery life. High inverter efficiency - 90%. 100 Amps automatic transfer switch (50 Amps per leg). Built - in handles offers easier handling during installation. Industry standard protection features. Meets UL 458 with marine supplement. Includes ICR - 50 Remote. Includes 50 ft. of cable. 3-Year warranty.