Power Bank for xiaomi mi iPhone,USAMS Mini Pover Bank 10000mAh LED Display Powerbank External Battery Poverbank Fast charging

Please kindly note There are 4 types for this power bank in the comprehensive link, at "Color" place--- Black with LED----it means Black power bank with LED Digital Display White with LED----it means White power bank with LED Digital Display Normal Mini Black----it means Black power bank without LED Digital Display Normal Mini White----it means White power bank without LED Digital Display FAQ Question : Power bank regular standard two capacity, one is the battery capacity, one is the rated capacity. for example with 10000 mah power bank, charging treasure will be labeled 10000mah/3.7v core capacity, at the same time labeled rated capacity 6200mah/5v (TYP2.1). why to mark two capacity, what is the significance of these data? Answer : 10000 mah polymer core capacity refers to your charging treasure polymer battery length * width * thickness * energy coefficient ≈10000. The rated capacity is the output capacity of the mobile power supply calibrate