... Li-ion only with standard packing.Super Slim design: Li-polymer can realize 0.5mm thickness to achieve different shapes,Light ... charger.2. How long to charge mobile power bank?This depends on mobile power bank capacity and input current of charger, normally ... capacity of your mobile devices and capacity of mobile power banks. 5000mAh portable power bank with 8.9mm slimmest design,CE,FCC,ROHS passed