Top Positive Review for Charger Board on Banggood SEA|Shopping Southeast Asia

3pcs ESP32S ESP32 0.5A Micro USB Charger Board 18650 Battery Charging Shield Wemos Geekcreit for Arduino - products that work with official Arduino boards

35% OFF 3pcs ESP32S ESP32 0.5A Micro USB Charger Board 18650 Battery Charging Shield Wemos Geekcreit for Arduino - products that work with official Arduino boards US$10.40 US$15.99 View It

Overall:

michalswiatly 28/02/2020

Good thing is that it works - and by that I mean - it charges the battery. Unfortunately there is 1 design problem I found and also one assembly problem. Design problem is that it overcharges the battery - my 18650 battery got to 4.34V and after a while it stopped charging and voltage started to drop, but the voltage should never exceed 4.2 V!!! The assembly error of all my 3 pieces is: the battery socket is mounted in reverse!!! (see the picture) There are 3 markings of +/- battery sides on the module. One outside the battery socket, on the board. One inside the socket, also on the board. And last one on the black battery socket itself - and this one shows opposite +/- directions from the previous ones. The last one is the incorrect one. This error greatly increases the chance of connecting the battery wrong way and frying the board.

Comments (2)

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Samuel That's why science gave us soldering irons 😉
Reply 08/11/2020

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Fraoch et la loi des reglements et des regles a respecter. c'est sur qu'en Chine, ça, ils s'en cognent
Reply 15/05/2021

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