... 2.Exquisite design 8.9mm slimmer than iphone4s 3.CE,FCC,RoHs 4.Welcome OEM 5.Distributorships offered 5000mAh Mobile Power Supply with ... shape, but Li-ion only with standard packing.Super Slim design: Li-polymer can realize 0. ... we strongly suggest use good quality charger.2. How long to charge mobile power bank ... banks. SHINCO 5000mAh mobile power bank with 8.9mm slimmest design,5 years warranty, CE,FCC, ...