I usually start with the b wire. A basic bms wiring scheme for a 7s pack.
Compare 1 2a Balance Lifepo4 Lto Lithium Battery Active
7s bms wiring diagram. I will be wiring a. These are the b p and c wires or pads for adding wires. The white plug connects the dumb harness to the smart bms. Wiring diagram 24v 7s ev bms battery management system email a friend. All common bmss are wired in the same way. Includes 7s balance wires.
Look at the wiring diagram at the top of step 6 again to see which connections you need to make. Your final connections should look like this. Smart bms review cheap choice for those with low budget duration. Top five useful knots for camping survival hiking and more duration. Ill show how and where to connect the b c and p to the battery charger and power output. Your bms will likely have 3 thick wires or 3 pads to solder on your own heavy gauge wires.
24v 7s battery management system bms quantity. Notice how if a connection is made on the top side of the battery it is left open on the bottom and vice versa. Only 3 left in stock. If your bms comes with the thick wires already soldered to the bms board like the bmss sold in our shop then the hardest step is already done for you. 24v 7s bms for lithium ion cells. Diy tech repairs 62977 views.
Once you understand the pattern you can expand this to any size of pack. Ev bms battery management system for 7 lithium li ncm battery packs in series 7s bms fundamentals explained instructions for paralleling strings of batteries. See my other video for sensor wiring. Look carefully at the pic above. 24v 25a 35a 45a 60a 100a 200a. This way we are always wiring the modules in series.
You can see that for the bms to access the positive and negative ends of the first cell and the connected first p group it uses the. Please make sure you read the instructions in that article so. The wiring diagram for this bms is shown below and you can read an article showing you how to install a bms on your vruzend kit here.