... Solar Inverter 2, DC 12V/24V/48V Input, AC 220V output 3, High Efficiency 90% 4, CE Certificate What size inverter should ... of the appliance or power tool determines whether an inverter has the capability to power it. For example, ... = 1440 watts starting load You would need an inverter with peak-surge rating greater than 1440 watts. FORMULA ... a 91 amp alternator) 2000W Pure Sine Wave Solar Inverter