Specifications (3000W can withstand reverse connection without burning) 12V/24V universal (3000W can withstand reverse connection without burning) 48V/60V universal (4500W can withstand reverse connection without burning) 12V/24V universal (4500W can withstand reverse connection without burning) 48V/60V universal (Pure sine wave, rated power 4000W, won't burn out if connected in reverse) 12V (Pure sine wave, rated power 4000W, won't burn out if connected in reverse) 24V (Pure sine wave, rated power 4000W, won't burn out if connected in reverse) 48V (Pure sine wave, rated power 4000W, won't burn out if connected in reverse) 60V (6500W can withstand reverse connection without burning) 12V/24V universal (6500W can withstand reverse connection without burning) 48V/60V universal (8500W can withstand reverse connection without burning) 12V/24V universal (8500W can withstand reverse connection without burning) 48V/60V universal (Pure sine wave, rated power 5000W, won't burn out if connected in reverse) 12V (Pure sine wave, rated power 5000W, won't burn out if connected in reverse) 24V (Pure sine wave, rated power 5000W, won't burn out if connected in reverse) 48V (Pure sine wave, rated power 5000W, won't burn out if connected in reverse) 60V (Upgraded to 13000W, will not burn even if the polarity is reversed) 12V (Upgraded to 13000W, will not burn even if the polarity is reversed) 24V (Upgraded to 13000W, will not burn even if the polarity is reversed) 48V (Upgraded to 13000W, will not burn even if the polarity is reversed) 60V (Pure sine wave, rated power 10000W, won't burn out if connected in reverse) 12V (Pure sine wave, rated power 10000W, won't burn out if connected in reverse) 24V (Pure sine wave, rated power 10000W, won't burn out if connected in reverse) 48V (Pure sine wave, rated power 10000W, won't burn out if connected in reverse) 60V (Pure sine wave, rated power 13000W, won't burn out if connected in reverse) 12V (Pure sine wave, rated power 13000W, won't burn out if connected in reverse) 24V (Pure sine wave, rated power 13000W, won't burn out if connected in reverse) 48V (Pure sine wave, rated power 13000W, won't burn out if connected in reverse) 60V (Pure sine wave, rated power 15000W, won't burn out if connected in reverse) 12V (Pure sine wave, rated power 15000W, won't burn out if connected in reverse) 24V (Pure sine wave, rated power 15000W, won't burn out if connected in reverse) 48V (Pure sine wave, rated power 15000W, won't burn out if connected in reverse) 60V Pure sine wave (18000W rated power, reverse connection does not cause damage) 12V Pure sine wave (18000W rated power, reverse connection will not damage the machine) 24V Pure sine wave (with 18000W output power, no damage when connected in reverse) 48V Pure sine wave (18000W power without reverse connection, will not damage the machine) 60V