1. Input Voltage Range: 90~264VAC

 2. AC Input Frequency Range: 47~63 Hz

 3. Type of cooling: with fan

 4. Output Voltage: 12V/24V/48V

 5. Charge functions:  Three stage/ MCU

 6. LED light: Yellow light is on when charging.

                     Green LED light is on while fully charged.

                     Red LED light is on when cables reversed.

 7. Ripple and noise: ≦  2%

 8. Withstand voltage(hipot): 3KV AC 1min at Input and Output

 9. Operating temperature:  -10-70℃

 10.Storage temperature: -20~85℃

 11.MTBF: 500,000 hours

 12.Efficiency : ≥78%（full load）

 13.Protection functions: Over voltage, current and Short circuit etc.