... ,cell phones, digital cameras, MP3, MP4 etc. Based on the lithium polymer battery’s advantages of longer rechargeable life, light in weight and ... : 4 DC ports, 1 USB portsProduct’s parameter:· Built-in battery capacity: 12000mAh/ 3.7V(Li-Pol batteries)· Solar panel: 16V ... a long period (like half year,) please first discharge, then recharge, and then store.6.In order to avoid Incorrect Insertion ...