2KVA/1200W Line interactive UPS

Output frequency: 220V: 50±0.5Hz (DC Mode) Wave form: PWM（DC Mode) Transfer time: ≦10ms Transformer size & materialQTY & capacity of battery: 4 pc*12V7Ah Charging period : 10~16 hours Backup time: 20~60 minutes（1PC+15 inch RCT) RJ45/11 & USB: Optional Auto re-starts when AC recovers: yes Silence setup: Yes Automatic charging (offline charging): Yes Battery low voltage protection: Yes Overload & Short circuit protection: Yes Unit dimension (mm): 408*145*220 Color box dimension (mm): 480*226*320 Master box dimension (mm): 495*238*343 Pcs in one master carton: 1 Gross weight (1pc, kg): 20 Net weight (1pc, kg): 19 Warranty spare parts: 1% finished units or other spares equal to this value