fwt9920 specification: Solar panel: 5V/85mAh Bulb: 5 pieces super-bright LED Cell: lithium polymer Capacity: 1,000mAh Charging time: 5 to 7 hours in sunlight Operating time: can work continuously for 15 hours Charging a mobile phone as a charger Lifespan: >500 times Size: 150 x ¦74mm Weight: 55g