Features: 

1) Suitable for:

    a) 1-4pcs AA/AAA 1.2V, C and D rechargeable batteries

    b) 1-2pcs 9V Ni-MH/Ni-Cd rechargeable batteries

2) Six individual charging channels

3) Delta-V control and over-heat protection

4) Bad battery auto-detection

5) Build in microprocessor controller with auto stop function

6) Automatically switching from charging to trickle charging in the end

7) Charge, discharge and test function

8) Charge current:

    a) 300mA for AA/AAA, C and D batteries

    b) 30mA for 9V battery packs