Solar Charger, Solar External Battery Pack, MARCH® Portable 8000mAh Dual USB Solar Battery Charger Power Bank Phone Charger with Carabiner LED Lights for Emergency Cell Phones Tablet Camera (Black)

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1.Working Temperature: -20~60 degrees centigrade. Please do not place the charger on over-heated surrounding for continuous charging to avoid built-in Battery swelling up.

2.The solar panel is mainly for emergency use, it won’t fully charge the charger for its compact size. We recommend charge MARCH via an adapter or computer to shorten the charge time for daily use.Superior Panel: Built with SUNPOWER solar arrays, solar conversion efficiency up to 25%-30%,while most panels in the market are only 15%,Input 1.5A, higher than ordinary products 1A, charge more quickly
High-Quality Materials: Higher quality of the materials to make the shell more shock drop resistance, waterproof level(IP68), beautified with slica gel material, will not affect the feel
High Capacity: Built-in 8000mAh high capacity ultrathin polymer batteries,better than lithium battery, with two bigger LED lights, 5V-2x1A Output, charge two devices simultaneously, more, faster
Package Contents: 1*MARCH 8000mAh Dual Port Solar Charger, 1*12.2 inch USB Charging Cable, 1*mountaineering hook,1*User Manual
The efficiency of energy transformation from solar to electric energy is really low, even in a perfect laboratory condition, the transformation efficiency just 30%. We suggest you recharge it via wall charger at the beginning to make the power battery fully activated.