... charger is small in size, which can provide enough power to satisfy the communication requirements with 19″ rack mounting ... , base stations, satellite communication, data communication, railway and utility power system where electric network fluctuation range is very wide. Battery ... Voltage regulation ≤ 0.13% 4.4 limited-current output properties Range: 0~110% 4.5 Power factor ≥0.99(input and out ...