fwt9950 specification: Solar panel: 5V/65mAh Bulb: 7pcs super bright LED Cell: lithium polymer Capacity: 400mAh Charging time: 5 to 7 hours in good sunlight Operating time: can work continuously for 15 hours Can function as a charger for mobile phones Size: 150 x ¦74mm Weight: 55g Lifespan: >500 times