24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle

24V 6S 40A 18650 Li-ion Lipolymer Battery BMS PCB Balance for ebike ebicycle

(65 customer reviews)
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$169,916.99

  • This product is 6 string 24V 6-Cell lithium battery power protection board
  • With Balance circuit
  • Split-mouth 40A discharge current
  • Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection
  • Size: 88*34*2.8mm/3.46*1.33*0.11 inch
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Based on 65 reviews

4.0 overall
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  1. David –

    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….

    David –

  2. Joshua D Gant –

    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-?????

    Joshua D Gant –

  3. Donhaven –

    An absolute requirement for safe lithium battery use for any project

    Donhaven –

  4. Barny –

    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.

    Barny –

  5. STEVEN R. –

    Smoked as soon as 3cells were hooked on it.

    STEVEN R. –

  6. ryan –

    So far so good. Soldered up fine, now to test! Paired this bms to a diy 6s4p 18650 battery

    ryan –

  7. Danielle Self –

    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.

    Danielle Self –

  8. ryan –

    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.

    ryan –

  9. Marissa B –

    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.

    Marissa B –

  10. Orest D. from Anthony Mark Enterprises Ltd. –

    Tries, worker really well for the first time with an already charged battery, but stopped working when i tried to charge the battery.

    Orest D. from Anthony Mark Enterprises Ltd. –

  11. Soniclab –

    Realy like it i made my own battery and it working fine after 1 year

    Soniclab –

  12. Daniel, The Engineer –

    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.

    Daniel, The Engineer –

  13. Soniclab –

    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.

    Soniclab –

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