Update Battery tester Ancel BA301.One of the best Battery-Testers for the money paid !!!

This video is not sponsored, but it is my opinion!!! I tried to update almost 2 years after I bought these Testers. I have never tried this function until now and I was pleasantly impressed when I saw that such a cheap Tester has this possibility to receive an update. For the money paid, it is probably one of the best in its class. I do not advertise nor do I want to influence you to buy, use what you think is best for you !

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