Wujee 21W Portable Solar Panel USB Power ChargerFeature Application scope Digital devices that needs 5V power supply like mobile phones, iPhone, iPad, power banks, PSP, MP4, GPS navigator, camera... Easy to Use Unfold the device and expose the 21 watt solar panels in the sun and insert your devices into the USB port, allows up to two devices to charge at the same time, the charging time depends on the quality and intensity of the sunlight. IOS Auto restart Whenever it lost contact with direct sunlight, it will temporarily stops and start again automatically as soon as intercepts the sunrays. No built-in lithium battery Eco-friendly and no worries for any problems caused by the high temperature. Specification Item name: Folding solar charger Model: SLS-21 Power:21W Conversion efficiency: ≥ 23% Output port: Dual USB Output voltage: 5V PCB feature: stabilized voltage, intelligent identifying, auto resuming Output current: 3.5A(peak current) Product weight: 20oz Product size: 11.4*6.7*1.2in folded or 27.5*11.4*0.6in opened Color: Black Material: PET lamination Sun power solar panel with PVC waterproof clothing Package 1 x 21W Solar Charger 2 x Carabiners to attached the Solar Charger to your backpacks 1 x USB to Micro USB charging Cable 1 x User Manual 1 x Greeting card Note Can be ONLY used when under sunlight! Based on different sunlight radiance, the charging current, and time will be different. It is better to use it with a power bank. A word of warning In direct sunlight this array can get hot! Be careful when handling it after prolonged time in the sun. Also, be sure to keep any devices that are being charged out of direct sunlight as the heat can damage them.
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