Portable Charger Power Bank 10000mah With Cable 10000mAh USB For iPhone Samsung Xiaomi
Portable charger power bank with cable 10000mAh USB for iPhone samsung xiaomi.
Slim and light fast powerbank with external battery charging pack for iPhone Samsung Xiaomi. The best portable charger 10000mAh USB high charging speed with cable compatible with iPhone,iPad and samsung.
FERISING 3IN1 Power Bank 10000mAh USB Portable Charger PowerBank External Battery Charging Phone Pack For iPhone Samsung Xiaomi Mi9.
10000mAh 3 In 1 Powerbank
Huawei P40 Pro: 1.6 Times
Wiaomi Mi10: 1.5 Times
iPhone11: 2 Times
Cable for lightning, micro, type C
FERISING 10000mah Powerbank*1+ Micro USB Cable*1+ Retail package Box*1 + Waterproof bag*1
Output 1 USB: 5V 2.1A
Output 2 for Micro: 5V 2.1A
Output 3 for Type C: 5V 2.1A
Input for Micro USB: 5V 2A
Weight: About 193g
Power bank has two regular standard of capacity , one is the battery capacity, one is the rated capacity. The 10000mah power bank, being labeled 10000mah/3.7V core capacity be converted to rated capacity 6500mah/5V.
Why exist this difference?
The most important reason is the conversion rate. Because most of power bank's battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which making the power bank's conversion efficiency only 3.75V/5V=74%, Also include generated heat when battery voltage boosting, and various of wire consumption, Electricity and self-consumption. these points add up to account for 30%-40% of the power of the mobile power source.So the 10000mAh power bank can really be used by us only about 6500mAh.
Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%.
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