We receive about 200 emails per day from people who are trying to build a lithium-based battery pack, and have run into some sort of problem. As a global seller of BMS units, we often hear complaints that the BMS isn’t working properly.
Well let me tell you something. We test every unit before it leaves our shop so that we can shoot down the idea that the BMS isn’t working properly. We do that for you the builder, and also for us. If you can focus on your build knowing that the BMS isn’t the source of your problem, you are going to find the actual problem much faster than blaming failure on the complicated, mysterious BMS unit.
So here you go: Our notes on how to troubleshoot the bug in your build: