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1.Mono-crystalline silicon wafers or multi-crystalline silicon wafers with high conversion efficiency are used,which enables a high solar energy conversion efficiency of over 17% 2.Solar panel specification:5.5v/145mA3.The built-in high capacity rechargeable polymer lithiumion battery:2600mAH 4.Output voltage:3.7V、4.2V、5.5V、9V 5.Output current：400-800mA 6.Time for charging the built-in battery through solar energy：About 10-15 hours (depending on the strength of the sun light) 7.Time for charging the built-in battery through a compute of AC adaptor：about 5 hours 8.Time for charging a mobile phone：about 1-2 hours 9.To MP3 or MP4 charge for 30 minutes, will receive about 2-4 hours of playback time 10.With a high brightness of the lighting system to facilitate you to travel at night 11.Automatic protection with the charge to prevent overshoot, over-discharge 12.Automatic light-sensitive, supplementary battery energy 13.Overall Size：6.1*11.7*1.5cm 14.Machine We
