... , 45Hz~65Hz 5,Low no-load current Applications:Television, refrigerator, air condition, computer, electric fan, induction cooker, generator ... applications work smoothlySelf- diagnostic function Individual chargerWhen main power comes back, battery will be recharged automatically Model500VA800A1000VA1500VA2000VA3000VA4000VA5000VA6000VA7000VACapacity300W500W600W1000W1400W2100W2800W3500W4200W5000WInput ...