Dual-channel USB charger for Nickel-Metal Hydride (NiMH) batteries. Includes 2 pieces of NiMH AAA 700mAh batteries.#13#10#13#10Powered by USB – use it anytime and anywhere, and thanks to its compact size, it is suitable for both home and travel. #13#10This charger can charge NiMH AA and AAA rechargeable batteries.#13#10#13#10The charger has built-in protection against:#13#10#13#10overcharging, reverse polarity, damaged and non-rechargeable batteries.#13#10#13#10The charger has two charging channels, allowing you to charge different batteries simultaneously, individually, or together. #13#10Each channel has a separate charging indicator.