Product characteristics: A Rated capacity to the highest point at 550mAh. B. Super durable battery can recycle use to more than 200 times. C. With 4 long life, high brightness and energy saving LED D. The on/off and the brightness adjustment of the light can all be c by rotary switch. E Product can be charged both by AC power and solar panels, very convenience to use Usage Instruction: A. Charging: a. solar panels charging: Will the solar panels on sunny places charging corresponding charge instructions parade bright standard conditions (1 /M2. AM 15, 25°C). b. Insert the plug into the socket after finished the connection of AC wir the camping lantern, then the charging indicator light. Keep charging a 10 hours. The most charge time should be less than 16 hours. B. Lighting: Turn the rotary switch by clockwise, the LED lamps light, continue to tur light will be brighter: Conversely, the lamps gradually weakened to wen CLighting time: It can be lighted continuously for about 3 hours after fully charged.