Catalogue
Smart BMS
A smart BMS protects the pack, balances the cells and reports state over Bluetooth or a wired protocol. Which one fits is decided by four parameters — in this order.
JK-BD6A20S6P
- Series
- Li-ion 7S–20S
- Continuous
- 60 A
- Port
- Common port
JK-BD6A24S6P
- Series
- Li-ion 7S–24S
- Continuous
- 60 A
- Port
- Common port
JK-BD6A20S8P
- Series
- Li-ion 7S–20S
- Continuous
- 80 A
- Port
- Common port
JK-BD6A24S8P
- Series
- Li-ion 7S–24S
- Continuous
- 80 A
- Port
- Common port
JK-BD6A20S10P
- Series
- Li-ion 7S–20S
- Continuous
- 100 A
- Port
- Common port
JK-BD6A24S10P
- Series
- Li-ion 7S–24S
- Continuous
- 100 A
- Port
- Common port
JK-BD6A20S15P
- Series
- Li-ion 7S–20S
- Continuous
- 150 A
- Port
- Common port
JK-BD6A24S15P
- Series
- Li-ion 7S–24S
- Continuous
- 150 A
- Port
- Common port
JK-B1A20S15P
- Series
- Li-ion 7S–20S
- Continuous
- 150 A
- Port
- Common port
JK-B1A24S15P
- Series
- Li-ion 7S–24S
- Continuous
- 150 A
- Port
- Common port
JK-B2A24S15P
- Series
- Li-ion 7S–24S
- Continuous
- 150 A
- Port
- Common port
JK-B2A20S20P
- Series
- Li-ion 7S–20S
- Continuous
- 200 A
- Port
- Common port
JK-B2A24S20P
- Series
- Li-ion 7S–24S
- Continuous
- 200 A
- Port
- Common port
JK-BD4A8S4P
- Series
- Li-ion 3S–8S
- Continuous
- 40 A
- Port
- Common port
JK-B1A8S10P
- Series
- Li-ion 3S–8S
- Continuous
- 100 A
- Port
- Common port
JK-B1A8S20P
- Series
- Li-ion 3S–8S
- Continuous
- 200 A
- Port
- Common port
JK-B2A8S20P
- Series
- Li-ion 3S–8S
- Continuous
- 200 A
- Port
- Common port
What decides a smart BMS
4 parameters, in the order they eliminate options. Each one can rule out a model on its own — which is why the order matters.
1 · Series count
Cells in series set the pack voltage and eliminate most of the range immediately. 4S is 12.8 V nominal on LiFePO4, 16S is 51.2 V. A 16S board cannot be used on a 4S pack, regardless of current rating.
2 · Continuous current
The sustained rating, not the peak. Size it from the load: a 3000 W inverter at 12 V pulls roughly 250 A continuously. Peak figures do not cover that.
3 · Port arrangement
Common port shares one path for charge and discharge; separate port gives each its own. It changes the wiring, the charger behaviour, and whether the inverter can be isolated on its own.
4 · Protocol
If the pack has to talk to an inverter, a charger or a monitoring system, the protocol has to match on both ends. A board without the right port is the wrong board even when the ratings fit.
Stock ships from Poland
Delivery is included in the price for 25 countries, and nothing is added at checkout. Ten units in a mixed order move onto a different cost tier.
Lead times are not published yet
Delivery times depend on the carrier contract, which is still being quoted. We would rather leave the number out than publish one we cannot hold — an unfulfillable delivery promise causes more cancellations than a missing estimate.