Standard wall charger for use with NiCD and NiMH battery packs. Out Put: 12V, 300mah UL Rated Charging times vary by battery.
You can figure out your charging time by this simple formula: Divide your batteries mAh by the output of the charger mAh Battery Capacity (battery's mAh rating) plus 20-30% "energy loss" see HERE
Be careful not to overcharge your batteries!
**PLEASE NOTE: These chargers have 2 pins so you will need a shaver style plug adapter to use them.