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🔋 Power smarter, live freer — the BMS that keeps your battery ahead of the curve!
The JKBMS JK-B2A24S20P is a high-performance smart Battery Management System designed for 8S to 24S battery packs with up to 200A current. Featuring 2A active balancing, Bluetooth app control for real-time monitoring and adjustments, and broad compatibility with Li-ion, LiFePO4, and LTO chemistries, it ensures enhanced battery safety and longevity. Ideal for solar, EV, and electric cargo applications, it comes with comprehensive protection features and 1-year support for reliable operation.







| ASIN | B0D5M3RCK6 |
| Best Sellers Rank | #49,044 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #188 in Power Converters |
| Brand | JKBMS |
| Color | JK BMS |
| Customer Reviews | 3.7 out of 5 stars 5 Reviews |
| Input Voltage | 72 volts |
| Item Dimensions | 6.38 x 4.02 x 0.8 inches |
| Item Weight | 15.2 ounces |
| Item dimensions L x W x H | 6.38 x 4.02 x 0.8 inches |
| Manufacturer | JKBMS |
| Mfr Part Number | JK-B2A24S20P |
| Model Number | JK-B2A24S20P |
| Number of Items | 1 |
| Output Voltage | 72 volts |
| Plug Type | JST Connector |
| Power Source | Battery |
| Unit Count | 1 Count |
| Warranty Description | 1 year manufacturer |
M**R
Great BMS. Bad App
Love the BMS, very flexible. Wish it would be constant on if the start button were removed. App is barely functional and bluetooth is weak. These are not reasons to not buy it. You only have to manage it once. They work well enough
J**A
Finally…A real BMS
If you’re looking to build your own battery pack a BMS is essential. I bought other ones from Daly (red and black) as well as Daly’s better line called 100 Balance which are blue. This BMS is WAY better and so is the APP. My biggest complaint about the Daly is that even the “active balance” is only active while charging. This one will balance the pack charging or not and it can do it at 2 amps which is much faster. The app instantly connects. The app is much more responsive to changes where the Daly had seconds of delay in showing how much current was being drawn by the motor. This one has any setting you could ever want where the Daly is much more basic. I am super happy.
C**A
Won't charge.
I cannot connect to the bms. It will not charge. Email the company and no response. Past return window.
Trustpilot
2 days ago
1 week ago