Internal Batteries

-Power: 1800W-Output: Pure Sinewave-Frequency: 50/60HZ-Voltage: 220V-Battery: 4x 12V/9AH Sealed Inside-Features: Online double conversion with full digital control

-Power: 2700W-Output: Pure sinewave-Frequency: 50/60HZ-Voltage: 220V-Battery: 6x 12V/9AH Sealed Inside-Features: Online double conversion with full digital control

-Power: 5400W-Output: Pure Sinewave-Frequency: 50/60HZ-Voltage: 220V-Battery: 6x 12V/7AH Sealed Inside-Features: Online double conversion with full digital control