INIU Power Bank, Slimmest 10000mAh 45W PD Fast Charging
INIU Power Bank, Slimmest 10000mAh 45W PD Fast Charging Portable Charger Detachable USB-C Cable, Stand, Flight-Safe, Travel, Flashlight, Battery Pack for iPhone 18 17 16 15 Pro, Samsung S26, Gree Charge, Stand, Illuminate. Why my power bank provide fewer charges than expect? Usually an external battery could supply 60%-70% power to other devices. Approximately 30-40% of the battery capacity is lost in circuit heat and voltage conversions.So a fully charged INIU 10000mAh power bank can offer 6000-7000 mAh to your devices. How to calculate the possible number of charges? Industry-standard formula: (Power bank capacity × 65%) ÷ Device battery capacity...