Solar Light 1. Solar panel: 1.5W. 2. Can be charged by AC adaptor as well 3. Light source:12pcsSuper Hight brightness white LED (10000-12000MCD) 4. Storage Battery (option1):3*AAA Rechargeable Ni-Mh batteries (Included) 5. Storage Battery (option2): 3*AAA alkaline batteries (Not included) 6. Other function: Mobile phone charger 7. Charge time:5 hours (under standard sunlight intensity) 8. Lighting time:4 hours.