Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board DIY
2,26 €
USB output: 5V 1A / 5V 2.1A. This product is only suitable for 3.7V 18650 battery flat. Power input: 5V 1A. PCB size: 65 22 mm (approx.). Connect the phone, starts charging the phone. Plug and play.
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