Nuova scheda di estensione alimentazione UPS 18650 con RTC per Raspberry Pi 4 3B + 3B

Fit for raspberry pi 4b 3b+ 3b. Output current: max 3A@5V (using two 3300mAh 18650 lithium batteries or external power adapter. Note: this list not include the 18650 battery. Charging current: max 1A@5V. ).

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