Solar charger, solar energy can POWERBANK. So in addition to plug it into electricity, to refill can also be driven by solar power. Heart - heart do not be fooled by the very cheap price, make sure....
POWERBANK solar energy ( solar charger) with a capacity 20000mAh. Solar charger with a capacity ril / 20000mAh real and true - really can charge by sunlight ( the indicator light can be lit all when....