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4.33 out of 5
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  • 25/11/2021

    I like this BMS! It has LED's so you can see what cells are being "balanced " (bleeding of 50mA ? curent from the top charged cells ). The 3.2V version looks to be for Lithium iron phosphate (Li-Fe-Po4) cells, and the "3.7V" version is for Lithium ion (Li-ion) 4.2V cells. The lifepo4 3.2V version uses the BM3451- BHDC-T28A, and the Li-ion 3.7 (4.2V) version uses the BM3451 -SMDC-T28A chip. So you need to buy the right version that fits your needs/battery cells. the chip can also be used for 3S, 4S and 5S configuration. you just have to remove one or two 0-ohm resistors of you wanna use a 3S BMS for 5 cells. the PCB is good quality, but I haven't tested it under high current over time. The controller chip on one of my BMS was mounted outside it's footprint, so I had to heat it up and move it.. anyways.. this BMS is sofar my favorite when it comes to tiny BMS'es.

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  • 31/10/2021

    When I examined the module, I noticed that the component was badly soldered. I sent a photo to BG's service, and they're sending me a new record. Thank you Banggoog for easy resolution of the claim.

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  • 29/10/2021

    thank you

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  • 16/11/2021

    as show in picture there are 2 resistors soldered together...

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  • 26/07/2021

    The PMS arrived in good time, however, I ordered one set for an S4 and got one set for an S3. This is fixable, but it's always best to get what you asked for.

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  • 10/08/2021

    The lower price was very welcomed however this is the 2nd time I've ordered a four-cell version and got a three-cell version.

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  • VIP3

    Very good and could be used in a lot of useful projects

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  • 19/01/2022


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  • 14/01/2022

    As seen from the site delivery before the expected deadline time

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  • 13/12/2021

    received in good order

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