Model No.: HP8208 (Ni-MH) Specifications: Output Current: 4Adc+-5% Output Voltage: 39.4Vdc+-2% Input Current: 2.0A Input Voltage: 90-130Vac or 180-260 Vac Efficiency: MIN 80% Performance: Switching Mode Charging Method: Three Stage Constant Current Battery Application: NI-MH Batteries (1.2V, 21Cells, 7000-12000MAH) Output Detection: 1.Short Circuit Detection 2.Output Voltage/ Current Limit 3.Reverse Power Protected 4.Overheat Detection 5.Charging Time Limit Features: Operating Temperature 0 dergee C.~40 dergee C. Operating Humidity 20%~85% Operating Height 0M~3000M Measurement: L195mm*W100mm*H55mm Weight:920g Color: Gray