From the outside, this is a stylish iPhone case, in fact, it is still a high-performance solar panel, with a 1800 mA rechargeable lithium-ion battery. In addition, the microUSB port can be used to charge it on cloudy days and nights. It also has an LED power indicator that can be switched to charge and power modes (turn off the switch, stop charging, and start powering the iPhone).
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Smart Magnet Co., Ltd. , http://www.tsmagnet.com