18650 Battery Shield V9 Mobile Power Bank 3V/5V Wifi Expansion Board For Arduino
9,91 €
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. 5, motherboard size: 99.98mm 96.24mm 21mm (length width height).
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