3V/5V 18650 Battery Shield V9 Mobile Power Bank Wifi Expansion Board For Arduino
7,40 €
Nano Sheild. 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. OLED LED&RGB. If the battery capacity is increased, the battery can be connected in parallel.
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