JK Semi Smart BMS 8-20S 80Amp (JK-BD6A20S8PD)
YATI-4398Quick Highlight
JK Semi Smart BMS 8-20S 80Amp (JK-BD6A20S8PD)
The JK Semi Smart BMS 8-20S 80Amp is a smart battery management system for medium-voltage lithium packs that carry heavier loads. It offers 80A of continuous current, active cell balancing, Bluetooth monitoring and RS485 communication, and it works with Li-ion, LiFePO4 and LTO packs from 8S to 20S. Yati Infotech Solution Pvt. Ltd. supplies it from Noida to pack builders, OEMs and installers across India.
Product Overview
When a battery pack powers a motor or a home, the BMS is what keeps it safe. It watches every cell, and it cuts power when voltage, current or temperature goes out of bounds. A smart BMS goes a step further. It lets you see what the pack is doing and keeps the cells in step with each other.
The JK BMS 8-20S 80Amp model JK-BD6A20S8PD is made for packs that draw more current than a 40A board can handle. It protects against overcharge, over-discharge, overcurrent, short circuit and over or under temperature. Its wide series range lets one board serve many pack voltages, which keeps stock simple for OEMs and workshops.
You will see this product searched under many names, including JK BMS, JK smart BMS, JK Semi Smart BMS 8S 20S and 8-20S 80Amp semi smart battery BMS. They all point to the same board.
Key Features
- 80A continuous current for heavier loads
- 8S to 20S compatibility for 24V, 36V, 48V and 60V class packs
- Active balancing to keep cells even
- Bluetooth monitoring with the JK BMS app on Android and iOS
- RS485 communication for system integration
- Li-ion, LiFePO4 and LTO support
- Complete protection with overcharge, over-discharge, overcurrent, short circuit and temperature protection
- Low-heat, efficient design for long-term use
Specifications
| Specification | Details |
| Brand | JK BMS |
| Model | JK-BD6A20S8PD |
| Cell configuration | 8S to 20S |
| Voltage class | 24V to 60V |
| Continuous current | 80A |
| Balancing | Active balancing |
| Supported batteries | Li-ion, LiFePO4, LTO |
| Communication | Bluetooth, RS485 |
| Protection | Overcharge, over-discharge, overcurrent, short circuit, over and under temperature |
Choosing Between 40A and 80A
The main difference between this board and the 40A model is the current it can carry. Picking the right one comes down to your load.
You can estimate power with a simple formula: voltage multiplied by current. A 48V pack at 80A delivers about 3.8kW, and a 60V pack at 80A delivers about 4.8kW. A 48V pack at 40A delivers about 1.9kW.
That means the 80A board suits stronger motors, bigger inverters and storage systems with heavier loads. The 40A board is enough for lighter vehicles and moderate loads. Choose the board that covers your continuous current with some headroom, and remember to allow for surge current when the load starts.
What Does 8S to 20S Mean?
The “S” stands for series. A pack with eight cells in series is 8S, and a pack with twenty in series is 20S. This board supports any count from 8 to 20.
Some common examples, using typical nominal cell voltages:
- 8S LiFePO4: about 25.6V
- 13S Li-ion: about 48V
- 16S LiFePO4: about 51.2V
- 14S to 16S Li-ion: about 50V to 60V
Check your pack’s full-charge voltage against the BMS limits on the datasheet before you buy. A pack at the high end of the series range can charge to more than its nominal voltage suggests.
Why Active Balancing Matters
Cells never stay perfectly matched. Some charge faster, some hold less, and the differences grow with use. If the pack drifts too far, the weakest cell limits the whole battery.
A passive BMS evens things out by burning off extra energy as heat. An active balancer moves energy from stronger cells to weaker ones instead. That makes the pack more efficient, produces less heat and helps keep the cells consistent over time. In a pack with many cells in series, the benefit adds up, which is why many builders look for a JK smart BMS with active balancer.
Where You Can Use It
The JK Semi Smart BMS 8-20S 80Amp suits a range of builds:
- Electric bikes (36V and 48V systems)
- Electric scooters (48V and 60V)
- Solar energy storage systems (48V battery banks)
- Portable power stations
- RV and backup power systems
- Micro EVs and electric cargo tricycles
- OEM lithium battery pack manufacturing
Installation Tips
- Read the wiring diagram supplied with the board before you start.
- Connect the balance leads carefully and in the correct order.
- Use cables, busbars and connectors rated for 80A, and keep them as short as practical.
- Tighten every connection firmly, because loose joints create heat at high current.
- Insulate all joints, and work with insulated tools at higher voltages.
- Test the pack at low load before you put it into service.
Why Buy from Yati
Yati Infotech Solution Pvt. Ltd. is a manufacturer based in Noida, so you buy from a direct supplier. Bulk orders are welcome, which suits OEMs and pack builders who need BMS boards in quantity. The same team supplies lithium cells, nickel strip, battery casings and other pack materials, so you can plan one order for the whole build.
Frequently Asked Questions
What is the JK Semi Smart BMS 8-20S 80Amp?
It is a smart battery management system for 8S to 20S lithium packs, rated for 80A continuous current. The JK Semi Smart BMS 8-20S 80Amp adds active balancing, Bluetooth monitoring and RS485 communication to a full set of protections.
What is the JK BMS price in India for the 80Amp model?
The JK BMS price in India for the 80Amp model is listed per piece on the product page, and rates improve with quantity. For a bulk quote on the JK Semi Smart BMS price, send Yati your quantity.
What is the difference between the 40A and 80A JK BMS?
The main difference is the continuous current. The 80A board carries twice the current of the 40A board, so it suits heavier loads such as stronger motors and larger inverters. Pick the one that covers your continuous current, with room for surges.
Which batteries does the 8 20S 80Amp semi smart BMS support?
It supports Li-ion, LiFePO4 and LTO packs from 8S to 20S, in the 24V to 60V class. Check your pack’s full-charge voltage against the BMS limits on the datasheet before you buy.
Does it have active balancing?
Yes. It uses active balancing, which moves energy between cells instead of wasting it as heat. A JK smart BMS with active balancer helps keep the cells consistent and improves pack efficiency.
Can I monitor the 8 20S 80Amp semi smart battery BMS on my phone?
Yes. The board has Bluetooth, and the JK BMS app on Android and iOS shows state of charge, voltage, current and temperature in real time. You can also set parameters through the app.
Where can I buy the JK BMS 8-20S 80Amp in India?
You can order from Yati Infotech Solution Pvt. Ltd. in Noida through the Yati Store, or message the team on WhatsApp. Bulk orders and shipping across India are available.
Get a Quote from Yati
Building higher-current lithium packs or need BMS boards in bulk? Add the JK Semi Smart BMS 8-20S 80Amp to your quote on the Yati Store, or send us your quantity and your pack details.
Product Overview
JK Semi Smart BMS 8-20S 80Amp (JK-BD6A20S8PD)
The JK Semi Smart BMS 8-20S 80Amp is a smart battery management system for medium-voltage lithium packs that carry heavier loads. It offers 80A of continuous current, active cell balancing, Bluetooth monitoring and RS485 communication, and it works with Li-ion, LiFePO4 and LTO packs from 8S to 20S. Yati Infotech Solution Pvt. Ltd. supplies it from Noida to pack builders, OEMs and installers across India.
Product Overview
When a battery pack powers a motor or a home, the BMS is what keeps it safe. It watches every cell, and it cuts power when voltage, current or temperature goes out of bounds. A smart BMS goes a step further. It lets you see what the pack is doing and keeps the cells in step with each other.
The JK BMS 8-20S 80Amp model JK-BD6A20S8PD is made for packs that draw more current than a 40A board can handle. It protects against overcharge, over-discharge, overcurrent, short circuit and over or under temperature. Its wide series range lets one board serve many pack voltages, which keeps stock simple for OEMs and workshops.
You will see this product searched under many names, including JK BMS, JK smart BMS, JK Semi Smart BMS 8S 20S and 8-20S 80Amp semi smart battery BMS. They all point to the same board.
Key Features
- 80A continuous current for heavier loads
- 8S to 20S compatibility for 24V, 36V, 48V and 60V class packs
- Active balancing to keep cells even
- Bluetooth monitoring with the JK BMS app on Android and iOS
- RS485 communication for system integration
- Li-ion, LiFePO4 and LTO support
- Complete protection with overcharge, over-discharge, overcurrent, short circuit and temperature protection
- Low-heat, efficient design for long-term use
Specifications
| Specification | Details |
| Brand | JK BMS |
| Model | JK-BD6A20S8PD |
| Cell configuration | 8S to 20S |
| Voltage class | 24V to 60V |
| Continuous current | 80A |
| Balancing | Active balancing |
| Supported batteries | Li-ion, LiFePO4, LTO |
| Communication | Bluetooth, RS485 |
| Protection | Overcharge, over-discharge, overcurrent, short circuit, over and under temperature |
Choosing Between 40A and 80A
The main difference between this board and the 40A model is the current it can carry. Picking the right one comes down to your load.
You can estimate power with a simple formula: voltage multiplied by current. A 48V pack at 80A delivers about 3.8kW, and a 60V pack at 80A delivers about 4.8kW. A 48V pack at 40A delivers about 1.9kW.
That means the 80A board suits stronger motors, bigger inverters and storage systems with heavier loads. The 40A board is enough for lighter vehicles and moderate loads. Choose the board that covers your continuous current with some headroom, and remember to allow for surge current when the load starts.
What Does 8S to 20S Mean?
The “S” stands for series. A pack with eight cells in series is 8S, and a pack with twenty in series is 20S. This board supports any count from 8 to 20.
Some common examples, using typical nominal cell voltages:
- 8S LiFePO4: about 25.6V
- 13S Li-ion: about 48V
- 16S LiFePO4: about 51.2V
- 14S to 16S Li-ion: about 50V to 60V
Check your pack’s full-charge voltage against the BMS limits on the datasheet before you buy. A pack at the high end of the series range can charge to more than its nominal voltage suggests.
Why Active Balancing Matters
Cells never stay perfectly matched. Some charge faster, some hold less, and the differences grow with use. If the pack drifts too far, the weakest cell limits the whole battery.
A passive BMS evens things out by burning off extra energy as heat. An active balancer moves energy from stronger cells to weaker ones instead. That makes the pack more efficient, produces less heat and helps keep the cells consistent over time. In a pack with many cells in series, the benefit adds up, which is why many builders look for a JK smart BMS with active balancer.
Where You Can Use It
The JK Semi Smart BMS 8-20S 80Amp suits a range of builds:
- Electric bikes (36V and 48V systems)
- Electric scooters (48V and 60V)
- Solar energy storage systems (48V battery banks)
- Portable power stations
- RV and backup power systems
- Micro EVs and electric cargo tricycles
- OEM lithium battery pack manufacturing
Installation Tips
- Read the wiring diagram supplied with the board before you start.
- Connect the balance leads carefully and in the correct order.
- Use cables, busbars and connectors rated for 80A, and keep them as short as practical.
- Tighten every connection firmly, because loose joints create heat at high current.
- Insulate all joints, and work with insulated tools at higher voltages.
- Test the pack at low load before you put it into service.
Why Buy from Yati
Yati Infotech Solution Pvt. Ltd. is a manufacturer based in Noida, so you buy from a direct supplier. Bulk orders are welcome, which suits OEMs and pack builders who need BMS boards in quantity. The same team supplies lithium cells, nickel strip, battery casings and other pack materials, so you can plan one order for the whole build.
Frequently Asked Questions
What is the JK Semi Smart BMS 8-20S 80Amp?
It is a smart battery management system for 8S to 20S lithium packs, rated for 80A continuous current. The JK Semi Smart BMS 8-20S 80Amp adds active balancing, Bluetooth monitoring and RS485 communication to a full set of protections.
What is the JK BMS price in India for the 80Amp model?
The JK BMS price in India for the 80Amp model is listed per piece on the product page, and rates improve with quantity. For a bulk quote on the JK Semi Smart BMS price, send Yati your quantity.
What is the difference between the 40A and 80A JK BMS?
The main difference is the continuous current. The 80A board carries twice the current of the 40A board, so it suits heavier loads such as stronger motors and larger inverters. Pick the one that covers your continuous current, with room for surges.
Which batteries does the 8 20S 80Amp semi smart BMS support?
It supports Li-ion, LiFePO4 and LTO packs from 8S to 20S, in the 24V to 60V class. Check your pack’s full-charge voltage against the BMS limits on the datasheet before you buy.
Does it have active balancing?
Yes. It uses active balancing, which moves energy between cells instead of wasting it as heat. A JK smart BMS with active balancer helps keep the cells consistent and improves pack efficiency.
Can I monitor the 8 20S 80Amp semi smart battery BMS on my phone?
Yes. The board has Bluetooth, and the JK BMS app on Android and iOS shows state of charge, voltage, current and temperature in real time. You can also set parameters through the app.
Where can I buy the JK BMS 8-20S 80Amp in India?
You can order from Yati Infotech Solution Pvt. Ltd. in Noida through the Yati Store, or message the team on WhatsApp. Bulk orders and shipping across India are available.
Get a Quote from Yati
Building higher-current lithium packs or need BMS boards in bulk? Add the JK Semi Smart BMS 8-20S 80Amp to your quote on the Yati Store, or send us your quantity and your pack details.