1,Li-on battery,best power bank. 2,5000mah. 3, flashlight 4, CE/ROSH/FCC/MSDS 5, promotion price Input:DC5.0V 1.0AOutput:DC5.0V 1.0A Capacity:5000mAh Size:51*103*23(MM)Color:Red, Blue, Green1,Warranty:One year 2,Accessories:1 USB connect cable,4 connectors3,OEM acceptable as well. Top quality 5000mah power bank external battery pack