UltraPower UPS Module 20 kVA for Modular UPS RM060 6KVA / 4200W

Quick overview from the supplier:

UPS Module 20 kVA for Modular UPS RM060 6KVA / 4200W Display: LCD Interface: RS-232, SNMP Slot Battery: 16pcs 12V7,5AH Input voltage range: 220V: 176~276Vac Frequency: 220V: 40~60Hz Output voltage range: 220V: 220±2%Vac Wave form: Sine Wave Transfer time: 0 ms Overload capability: 105%~130% lasts for 10 minutes, 130% above or 1 minute. Protections: 1. Auto re-starts when AC recovers 2. Silence setup 3. Automatic charging (offline charging) 4. Battery low voltage protection 5. Overload & Short circuit protection Gross weight: 34 kg Net weight: 31 kg