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This product is 6 string 24V 6-Cell lithium battery power protection board. Split-mouth 40A discharge current. With Balance circuit, size: 88*34*2.8mm/3.46*1.33*0.11 inch.
Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection
Daniel, The Engineer
2025-08-31 11:49:40
So far so good! I haven't put it under much load, maybe 20 amps, but so far it works flawlessly. Cells stay balanced, don't overcharge or over discharge.
ryan
2025-08-27 12:46:32
So far so good. Soldered up fine, now to test! Paired this bms to a diy 6s4p 18650 battery
David
2025-08-12 13:40:10
I did not have the courage to risk my expensive batteries to this board.Comparing it to some 3S 25A and 40A boards that I am working with (that work), it just does not appear to be completely populated. There are lots of empty solder lines on the board where I would expect components that I found on the other boards.
Barny
2025-07-21 11:43:58
Update: Changed to 4 stars after charging and using the battery pack I built, the pack charged properly and evenly and shutoff at correct voltage. Still leary of how easily the solder pads detached, but I would try this board again if I ever build another 6S pack...Some of the solder pads on board actually moved around when trying to solder wires on. They seem to be attached again when heat removed, I won't know if they are all electrically conductive and if the board charges the pack properly until I get a 24v charger. I am getting proper voltage at P+ and P- so I'm hopeful everything is ok. I will update my review after test charge.This board became unavailable after I bought mine so maybe this review is moot....
Joshua D Gant
2025-07-08 12:25:50
Made a 6S battery with this BMS, ran a small bluetooth amp for a few hours, plugged a 24v charger into it (29 volts) and when the charger light went green nothing worked. Checked each 18650 and had three at nearly 0 voltage and three at 4.6 volts? Wired it just like the picture.
Marissa B
2025-06-02 10:01:52
My P+ and P- have no current at them after wiring everything in. Check the board and it appears to be fine and soldering is good. I see an other review where someone had the same issue. Why is there no continuity at P+ and P-?????
STEVEN R.
2025-04-24 11:52:24
No instructions or wiring diagram given, can't connect it up as dint know the required wiring sequence and don't want to blow the board.
Danielle Self
2025-04-07 11:04:54
Smoked as soon as 3cells were hooked on it.
Soniclab
2025-03-30 12:17:41
Very nice layout on the pcb. Wiring is simple and direct for 6s packs. Charging and discharge on the same leads make it a good board for lead acid drop in replacement battery pack. Fully satisfied these work well for my application.
Orest D. from Anthony Mark Enterprises Ltd.
2025-03-28 14:14:36
You can connect + to battery via thin wire. Current goes on minus and this is where short AWG 12 silicone will work best. 8-10 is hard to solder.
Donhaven
2025-03-23 14:07:02
Realy like it i made my own battery and it working fine after 1 year
Michael Xu
2025-02-26 16:36:14
Tries, worker really well for the first time with an already charged battery, but stopped working when i tried to charge the battery.
Customer
2025-02-01 12:10:44
An absolute requirement for safe lithium battery use for any project
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