QINIZX 4S 12V 16.8V 1.2A Li-ion Lipo Lifepo4 LFP Battery Active Equalizer BMS Balancer Inductive Balance Lithium Battery Energy Transfer Board (4S), INDUBALCE-4S

We have had 3 different installs catch on fire. Lots of them even have different color codes. Terrible CHINA JUNK! Now I just had it burn down my whole solar room with a $27k loss.

With my dc meter, I measured total battery, individual battery banks. I wrote them down. I connected this device to my battery, hoping that the LED will display the balanced and unbalanced banks. My voltage for 2 banks are at 3.9v while the others at 4.11v. While inserted, the LEDs are off sometimes and some LEDs will turn on when unplugged and re-plugged. I am not sure if I got a good one.

Works perfect. Only camplait its how hot it can be when the cells very bad balanced, its realy powerfull balancer so thats why its become hot. 100% worth money

be sure to wire correctly, i thought these were garbage until i finally got it wired right. i suggest buying GKEEMARS 20 Pcs Wire Connector (shown in pic) to test the correct order before soldering. also buy a few incase you mess up some (like i did). These will smoke and start to catch fire if not done properly!!!

This is my second build with this board. It dose what it says and all batterys stay within .001 of each other during discharge and within an hour or so after charging. Good quality has a coating that protects the board and keep it safe from vibration and moisture.