Mini Power Bank - Mini Portable Charger kayak fishing life vest smooth surface

SKU: 4442361298

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Mini Power Bank - Mini Portable Charger kayak fishing life vest smooth surfaceMini Power Bank Mini Portable Charger Our Mini 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 6200mah 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

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