Battery type :12V/9AH
Numbers :6/8
Backup time: Estimated remaining time displayed on the LCD
Typical recharging time: 4 hours recover to 90% capacity
Charging current(max.):1.0A
Charging voltage : 82.1Vdc /109.4Vdc ±1%
Battery numbers :Depending on the capacity of external batteries
Charging current(max.): 6A/12A(Double board)
Charging voltage:82.1Vdc/109.4Vdc ±1%