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Universal mobile battery Brevia 10000mAh 22.5W Type-C+Lightning Cable, Li-Pol, LCD
- Brand: Brevia
- Category: Powerbanks
- Article: 45122
Battery capacity: 3.7V 10000mAh / 37Wh. Nominal capacity: 6000mAh (5V/3A). Battery type: Li-Polymer. Input Type C: 5V-3A 9V-2A 12V-1.5A. Type C Cable: 5V-3A 9V-2A 12V-1.5A. Output USB: 4.5V-5A 5V-3A 9V-2A 12V-1.5A. Type C Cable: 5V-3A 9V-2.22A 12V-1.67A. Lightning Cable: 5V-2.4A. LCD display. Kit: 1x Power Bank, 1x USB Cable - Type C, 1x User Manual. Warranty: 12 months. The calculation of the actual capacity of the universal mobile battery is done as follows (using a capacity of 20000mAh as an example): The manufacturer specifies a nominal capacity of 20000mAh at a voltage of 3.7V, while regular (non-fast) charging via the USB interface has 5V and above. During conversion, a portion of the capacity is lost, and the faster the charging (5V, 9V, 12V, 15V, 20V), the greater the losses. The charge capacity is calculated by multiplying the nominal capacity by the voltage on the power elements (usually 3.7V), dividing by the USB interface voltage, and multiplying by the coefficient of useful action (which is approximately 85% in modern models, i.e., 0.85). For example, with charging at 5V, the actual capacity will be: 20000 * 3.7 / 5 * 0.85 ≈ 12600 mAh, 20000 * 3.7 / 9 * 0.85 ≈ 7000 mAh, 20000 * 3.7 / 12 * 0.85 ≈ 5300 mAh, 20000 * 3.7 / 15 * 0.85 ≈ 4200 mAh, 20000 * 3.7 / 20 * 0.85 ≈ 3200 mAh. This is how all power banks work.
Specification
- Guarantee 12 months