... power supply 2.Exquisite design 8.9mm slimmer than iphone4s 3.CE,FCC,RoHs 4.Welcome OEM 5.Distributorships offer 5000mAh Portable Power Supply ... shape, but Li-ion only with standard packing.Super Slim design: Li-polymer can realize 0.5mm thickness to achieve ... mobile devices and capacity of mobile power banks. 5000mAh Li-polymer Mobile Power Supply with 8.9mm slimmest design,5 years warranty, CE,FCC ...