18650 Li-ion Battery Solar Charging Module 4.2V 3.7V 3.6V Charge w/ Protection
ab 1,19 €
MINI USB female chassis and the + - pads next to the power input, access to 5V. Adapter Module. Step up module. Step down module. Display module. Wireless module. (When the L2 light is on, L1 flashing fast indicates that the saturation state).
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