This charger can charge 2 or 4 pcs AA/AAA and 1 pc 9V
It cannot charge single battery of AA and AAA
Compatible with Ni-MH and NI-Cd rechargeable batteries
Two LEDs charging indicators
The constant current and voltage keep the batteries for longer life
Input: AC 220V
Output: 2.4V DC 300mA 9V DC 35mA