FreeZzy Posted October 30, 2020 Report Posted October 30, 2020 Hi I had an issue with those Yinlong cells and a BMS 6S balancer. One day I wanted to take my car to go for a ride after more than 1 month that I didn't use it and I saw that my cells was almost completely drained, like they had around 5v. So I charged them with my DC power supply to 14.8V and after 1 week (without driving the car) the voltage droped again to 13.2v. And the thing is that from the beginning I hear the balancer making a noise even when the car is turned off, So I wonder if my dropping voltage doesn't come from there from that balancer?
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