Mecer Hybrid 5000VA / 5000W Hybrid Pure Sine Wave Inverter with 64V DC Charger (SOL-I-AX-5P64) - Rated Power: 5000VA/ 5000W, Parallel Capability: 9 units, Selectable Voltage Range: 170-280 VAC (For Personal Computers), 90-280 VAC (For Home Appliances), Frequency Range: 50 Hz/60 Hz (Auto sensing), Surge Power: 10000VA, Transfer Time: 10 ms (For Personal Computers), 20 ms (For Home Appliances)