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82% OFF 10pcs USB 3.7V 3.6V 4.2V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board Li-ion Power Supply Board 2,02€ 11,06€ View It

Overall:

alfelipe 08/04/2021

A good choice for charging 18650 batteries used in electronic projects. It disconnects when it reaches between 4.1 - 4.2 volts. I have ordered several units and they finish the charge when a few tenths of a volt exceed 4.1 V. The LEDs can be unsoldered and replaced by others placed in sight on the mounting housing. They can also be used to repair / replace the battery charge control part in small electrical appliances. Good product.

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