FERISING-Power Bank for Heated Vest, Battery Pack, 10000mAh, LED Display, Portable Charge for Heated Clothing, Coat, Pants Power

FERISING Power Bank for Heated Vest Battery Pack, 10000mAh LED Display Portable Charge for Heated Clothing, Coat Pants Powerbank   Package Details: FERISING 10000mah Powerbank*1  USB Type C Cable*1  Retail package Box*1 Features : Model: FLS-PB-C1018A Capacity : 10000mA/3.7V/37Wh Output 1 USB : 5V/2.4A Output 2 Type C :5V/2.4A Input for Type C : 5V-2.1A Input for lightning: 5V-2A Specifications : Size:  98.5x66x26mm Color: Black/Red/Green Weight: About 200g Please NOTE : 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 6700mah/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 6700mAh. Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%. Please kindly noted. Please search on Google if want to know the details About shipping: Now Battery and power bank Just choose (Seller’s Shipping Method),But we will give priority to the fastest shipping metho,100% track to delivery,Please don’t worry.