Emergency power supply ups ever netline rt 1000 (9ah)

Additional information: Warranty period: 24 months, Battery / battery yp: 12 V 9 Ah VRLA x 3, Apparent power: 1000 VA | Weight: 17.5 kg | USB 2.0 ports quantity: 1 | Product colour: Black | LED indicators: Yes | Battery capacity: 9 Ah | USB port: Yes | Serial ports quantity: 1 | Battery voltage: 12 V | Serial interface: Yes | Serial interface type: RJ-45 | Waveform: Sine | Operating relative humidity (H-H): 20% ~ 80% | Form factor: Rackmount | Input operation voltage (max): 280 V | Input operation voltage (min): 145 V | Height: 86 mm | Battery recharge time: 3 h | Audible alarm(s): Yes | Emergency Power Off (EPO): Yes | Input frequency: 45/55 Hz | Number of batteries supported: 4 | Case type: Rack / Tower | Depth: 436 mm | Output power capacity: 2000 kVA | Output power: 900 W | Cold start: Yes | UPS topology: Line-Interactive | Width: 438 mm