3V/5V USB Mobile Powerbank 4x 18650 Akku Shield V9 + Kabel für Arduino ESP32
ab 1,73 €
4X 18650 Battery Shield. 5.4 LED power status indication, automatically extinguish after 3 seconds, the battery is less than 3V alarm 6 protection, less than 2.4 V full shutdown, no action. 1.2 output overcurrent / short circuit protection.
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