Hikvision DS-UPSB0972B-R/TJC 72Vdc,External battery pack for use with 3KVA UPS, with 12PCS of 9Ah

72Vdc,External battery pack for use with 3KVA UPS, with 12PCS of 9Ah built-in battery Compatible with Hikvision UPS systems Equipped with 12 maintenance-free VRLA (Valve Regulated Lead-Acid) batterie Each battery rated at 12 V / 9 Ah Total DC system voltage: 72 V DC Maximum charging current: 1.4 A Typical charging time: 6–8 hours (to 90 % capacity) Low operating noise: < 40 dB at 1 m Rack-mountable metal enclosure for easy integration Environmental and Physical Specifications Operating temperature: 0 °C to 40 °C Relative humidity: 0 – 95 % (non-condensing) Dimensions (W × D × H): 440 × 710 × 86.5 mm Net weight: 44 kg