Both inverters are for countries that do have not power often. Ideal to charge your own battery at the same time. 1200 to 5000 Watt with "WIRELESS REMOTE CONTROL." click the following blue link for more information on each wattage. 2200/4000 Watt Power Inverter (24V DC to 110/120V AC) with Built in Charger Function, w/Wireless Remote Control 3000/6000 Watt Power Inverter (24V DC to 110/120V AC) with Built in Charger Function, w/Wireless Remote Control 5000/10000 Watt Power Inverter (24V DC to 110/120V AC) 50Amp Output with Built in Charger Function, w/Wireless Remote Control