Solar Charger,Portable [Upgrade Version] 12000mAh Dual USB Solar Battery Charger External Battery Pack Phone Charger Power Bank for Outdoors (Rainproof, Dust-proof, Shockproof). (Yellow)

The efficiency of energy transformation from solar to electric energy is really low we just for emergency
12000mah High Capacity: Built-in 1200mAh high capacity polymer battery equipped with a compact solar panel, which could recharge the battery itself under sunlight for emergency purpose while outdoor.
Dual LED Flashlight: The 2 LED flashlight is bright, works perfectly in darkness, especially for emergency.
Dual USB Charger Ports with Cover: 2.1A USB port for iPad/Tablets. 1.0A USB ports for smartphone or other devices; can charge two devices simultaneously, support all digital electronic devices with 5V/1A-2.1A input.
Superior Portability Design: Comes with the hand rope, easy to hang on your backpack when outdoors; Waterproof, Dust-proof and Shock-Resistant, perfect for hiking, climbing, camping and other outdoor activity.
The efficiency of energy transformation from solar to electric energy is really low
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