... offered 5000mAh Li-polymer power supply with 8.9mm slimmest design,CE,FCC,ROHS passed Working:Instruction:Packing ... size, any shape, but Li-ion only with standard packing.Super Slim design: Li-polymer can ... not explode or fire in charging or discharging.CE,FCC,RoHs Certification:FAQ: Mobile power bank1. ... of mobile power banks. 5000mAh portable power bank with 8.9mm slimmest design,CE,FCC,ROHS passed