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    Truth behind Chins batteries

    I’ll try to keep this short while getting all the info out there. I’ll start with a little background. I’m a solar/battery enthusiast and mobile offgrid installer. Over the last 2years or so I’ve installed over $20k worth of lithium batteries, many of which are Chins. The early ones had 0...
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    More DALY smart BMS issues

    Hopefully someone has some advice. I purchased a 100amp 4s daly smart bms from "srikobatteries" on ebay. My cells finally arrived after nearly 2 months, got it all hooked up and it is charging through the BMS without issue however i can not get the bluetooth or PC to communicate. In the smart...
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    Bulging BYD packs

    Received 5 of the byd packs from batteryhookup. Several of them are pretty heavily bulging but one of them has actually bulged some far is has broken the plastic end caps of the case. I emailed them, they’re only reply was feel free to ship it back. It seems pretty ridiculous they’d even ship...
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    Deligreen BMS short circuit and over current protection?

    Has anyone had there BMS actually shut off from over current or short circuit? I decided to do some (what turned out to be) destructive testing. I intentionally shorted out a 120amp deli BMS to test if it would shut off like a battleborn does....it did not. Instead it started smoking almost...
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    Float charging LifePo4

    I have recently been playing with some NOS prismatic cells off ebay in my cabover camper. its a 12v system using 8 50ah cells. It has an MPPT charge controller with 1x100watt panel and a progressive dynamics 40amp 13.6v single stage charger. Here is the issue i am having: The camper sits 90% of...
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