Solar Camping Lamps 1. Solar panel: 3W 2. Light source: 6PCS 0.5WSuper Hight brightness white LED 3. Battery: 3.5AH/4V Lead-acid, rechargeable 4. Other functions: Chargeable by 220/110 voltages, with charge mobile function or radio function (optional) 5. Charge time: 220/110V charge 7-8 hours, and solar charge 6-7 hours (under standard sunlight intensity) 6. Lighting time: level 1 working 20hrs. Level 2 working 30 hrs.