Specification:Features: This solar panel charger is specialize for AA and AAA battery. Portable and lightweight, easy to carry. Great quality with reasonable price, you\'re worth it. Solar panel charging, give you a convenient using experience. Great accessory for distance travel and all outdoor activities.Specifications: Condition: Brand New and High Quality Material: PVC & Polysilicon Color: BlackSize: Approx. 115*68*26mm/4.5*2.6*1\'\' Working Voltage: ≥4V Open-circuit Voltage: ≥4.68V Working Current: ≥250mA Short-circuit Voltage: ≥260mA Solar Panel Power: 1 W Package Weight: Approx. 103gPacking List: 1 x Solar Panel ChargerNote: It requires two identical batteries charging simultaneously. Please notice that this product is specialize for AA and AAA battery. Put AA or AAA battery into the charger box, Turn the solar panels toward the sun, the red light on, it begins to charging.