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.syi the 10000mah power bank, being labeled 10000mah/3.7v core capacity be converted to rated capacity 6500mah/5v. power bank has two regular standard of capacity , one is the battery capacity, one is the rated capacity.
Cell Phones & Accessories > Cell Phone Accessories > Cell Phone Power Banks
10000mAh Power Bank Per Batteria Esterna Xiaomi Caricatore Portatile Doppio USB Mi Powerbank Poverbank Bateria Esterna
Specifications of 10000mAh Power Bank Per Batteria Esterna Xiaomi Caricatore Portatile Doppio USB Mi Powerbank Poverbank Bateria Esterna | |
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Category | Dispositivi elettronici > Comunicazioni > Telefonia > Accessori telefoni cellulari |
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