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JK BMS 150A (8-20S) w/ Bluetooth
JK BMS 150A (8-20S) w/ Bluetooth
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JK BMS B1A20S15P 8-20S 150A with Bluetooth
Enhance your battery management system with the JK BMS B1A20S15P, designed for 8 to 20-series lithium-ion cells. This 150A BMS features Bluetooth connectivity, enabling real-time monitoring and management via your smartphone. It ensures optimal battery protection with built-in safeguards against overcharge, over-discharge, and short circuits.
Key Features:
- Current Rating: Supports up to 150A.
- Bluetooth Functionality: Monitor and manage settings remotely.
- Versatile Compatibility: Ideal for various lithium battery applications.
| B1A20S15P | |
|---|---|
| Cells in series(LiFePO4) | 8S-20S |
| Cells in series(Li-ion) | 7S-20S |
| Cells in series(LTO) | 12S-20S |
| Cont. discharge | 150 A |
| Cont. charge | 150 A |
| Max. discharge (2min) | 300 A |
| Balance current | Active 1 A (Adjustable) |
| Internal Resistance | 0.65 mΩ |
| Overcharge current protection | 10 - 150 A (Adjustable) |
| Overcharge/over-discharge voltage protection | 1.2 - 4.35 V (Adjustable) |
| Temperature protection | Yes |
| Short Circuit protection | Yes |
| Coulomb counter | Yes |
| Communication | Bluetooth/RS485/CANBUS |
| Size | 162x102x20 mm |
Box Contents:
- Bluetooth Enabled BMS
- Balancing Wires
- Temperature Probes
- Fair-use warranty*

I have been building my own lithium ion phosphate batteries with 280 Amp hours cells supplied by Cell Supply SA in 12, 24 as well as 48 Volt battery combinations. From 4 cells to 16 cells per battery with JK BMS’s . I also rebuild numerous lithium ion phosphate batteries including, Solar MD, Synapse and Soltaro LIFO batteries by ripping out their faulty BMS’s and installing JK BM’s. It is simply fantastic with the built-in functions to protect the batteries from under as well as over charging and THE BEST balancing feature and Blue Tooth programme for instant results.
Awesome Delivery Service. Ordered BMS and will order more in future.
JK BMS are tops
I ordered more than 30 JK BMS from Cell Supply SA and the service is very good and fast. Dankie Darius vir jou tyd en is altyd behulpsaam.
The BMS is easy to install and works perfectly. I recommend this company and BMS.
After many years as a diy'er finally found a professional knowledgeable down to earth helpfull supplier . Guys 100% for you thanks for help you changed my outlook with this excellent lifepo4 and bms combination..
This is the 3rd JK BMS I ordered from Cell Supply SA and the service is very good and fast.
The BMS is easy to install and works perfectly. I recommend this company and BMS.