Input: AC 90-260VAC, 50/60Hz Output:Li-ion 8.4V 300mA x 1, 160mA x 2, Ni-MH 9.8V 100mA x 1, 100mA x 2 Charger mode: CC / CV (Li-ion Battery) / DELTA V ( Ni-MH Battery) Operating temperature: 0 - 55 degrees Storage temperature: -25 - 70 degrees Auto alert indication for worse battery pack and bad battery Power adapter voltage: Above 250V