JK Semi Smart BMS 8-20S 60A (JK-BD6A2056PD)
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JK Semi Smart BMS 8-20S 60A (JK-BD6A2056PD)
The JK Semi Smart BMS 8-20S 60A (model JK-BD6A20S6PD) is a battery management system for lithium packs of 8 to 20 cells in series. It combines 60A continuous current, 0.6A active balancing, Bluetooth app monitoring and RS485 communication, and it works with Li-ion, LiFePO4 and LTO packs. Yati Infotech Solution Pvt. Ltd. supplies it for e-bike, e-scooter, solar storage and custom battery pack builds.
Product Overview
A BMS is the part of a lithium pack that keeps the cells safe. It watches each cell’s voltage, the pack’s current and its temperature, and it disconnects the pack when something goes out of range. Without one, a lithium pack has nothing to stop overcharge, over-discharge or a short circuit.
The JK BMS 8-20S 60AMP is made for packs from 8S to 20S, meaning 8 to 20 cells in series. It protects against overcharge, over-discharge, overcurrent, short circuit and over or under temperature. It is sold as a semi smart JK BMS, which still gives you real-time monitoring and settings through the JK BMS app over Bluetooth, plus an RS485 port for system integration.
Its active balancing is the feature many builders look for. Instead of burning extra energy as heat, it moves energy between cells, so the pack stays more even.
Key Features
- 8S to 20S cell configuration
- 60A continuous current
- 0.6A active balancing
- Works with Li-ion, LiFePO4 and LTO packs
- Bluetooth monitoring with the JK BMS app (Android and iOS)
- RS485 communication
- Protection against overcharge, over-discharge, overcurrent, short circuit and temperature extremes
Why Builders Choose This BMS
One board, many pack sizes. Because it supports 8S to 20S, the same JK smart BMS can serve a 24V-class, 48V-class or 60V-class pack, which means fewer models to stock.
Active balancing. It transfers energy between cells rather than wasting it as heat, which helps cells stay matched and supports longer pack life.
A look inside your pack. The app shows state of charge, voltage, current and temperature, and lets you change parameters, so you can check the pack without a meter.
Multiple chemistries. One BMS family covers Li-ion, LiFePO4 and LTO, so you can reuse your knowledge across builds.
Made for moderate loads. At 60A continuous, it suits e-bikes, scooters, small solar banks and many backup systems.
Technical Specifications
| Specification | Details |
| Brand | JKBMS |
| Model | JK-BD6A20S6PD |
| Type | Semi smart BMS with active balancing |
| Cell configuration | 8S to 20S |
| Supported batteries | Li-ion, LiFePO4, LTO |
| Continuous current | 60A |
| Peak discharge current | 100A (seller-listed) |
| Balance type | Active |
| Balance current | 0.6A |
| Protection | Overcharge, over-discharge, overcurrent, short circuit, over and under temperature |
| Monitoring | Bluetooth app |
| Communication | RS485 |
Choosing the Right Series Count and Current
The number of cells in series sets your voltage. With common cells:
- 8S LiFePO4 gives 25.6V nominal
- 13S Li-ion gives 48.1V nominal
- 16S LiFePO4 gives 51.2V nominal
- 20S LiFePO4 gives 64V nominal
Set the BMS to the same series count and chemistry as your pack. Also confirm the maximum pack voltage on the datasheet, because a 20S Li-ion pack charges well above a LiFePO4 pack of the same count.
For current, work out your load. Power divided by voltage gives amps, so 60A at 48V nominal is about 2.9kW. Leave headroom, and don’t plan to run a BMS at its limit all day. For heavier loads, choose a higher-rated model.
Where It Is Used
- E-bikes on 36V or 48V systems
- E-scooters on 48V or 60V systems
- Solar energy storage banks
- Portable power stations
- RV and backup power systems
- OEM and custom lithium battery packs
Installing and Using It Safely
- Follow the manufacturer’s manual for wiring the balance leads and the main connections.
- Set the chemistry and series count in the app before the first charge.
- Check each cell’s voltage before connecting, and keep cells matched.
- Use a charger suited to your chemistry and pack voltage.
- Keep wiring and connectors rated well above your peak current.
- Keep the board away from moisture and heat.
Why Buy from Yati
Yati Infotech Solution Pvt. Ltd., based in Noida, supplies BMS boards, lithium cells, cell holders, battery casings, connectors and tools. You can order the JK BMS together with the cells and parts it protects, and the Yati team can help you match it to your pack.
Frequently Asked Questions
What is the best BMS for a lithium-ion battery?
There is no single best BMS. The right one matches your battery chemistry, series count, continuous and peak current, and the features you need, such as balancing and monitoring. The JK Semi Smart BMS 8-20S 60A suits Li-ion, LiFePO4 and LTO packs from 8S to 20S that draw up to 60A, with 0.6A active balancing and Bluetooth app monitoring.
What size BMS for 200Ah battery lithium?
Battery capacity doesn’t set BMS size. Your load current does. Divide your load’s power by the pack voltage: a 3kW inverter on a 51.2V pack draws about 59A, which is too close to the limit of a 60A BMS. For a 60A BMS such as this one, keep the continuous load comfortably below 60A, and remember that charging is also limited to 60A, which is about 0.3C on a 200Ah pack. For heavier loads, choose a higher-rated BMS.
Can I run a lithium battery without BMS?
You can wire one up, but it isn’t safe. Without a BMS, nothing stops overcharge, over-discharge, overcurrent or short circuits, and cells drift out of balance over time. These faults can damage cells and create a fire risk. Every multi-cell lithium pack needs a BMS suited to its chemistry and current.
Which brand of lithium battery is best in India?
There is no single best brand. The right one depends on your load, runtime and budget, and on whether the seller can show a datasheet. Compare capacity, discharge rating and cycle life under stated conditions. Whichever cells you choose, pair them with a BMS that matches their chemistry and current, such as a JK smart BMS set up for your series count.
Can the BMS damage your battery life?
A correctly set up BMS protects battery life. Problems come from wrong settings (the wrong chemistry or voltage limits), an undersized board running near its limit, loose or poor wiring, or an undersized balance setup. Take the JK BMS settings from your cell’s datasheet, and check them in the app before the first charge.
What is the difference between active and passive balancing?
Passive balancing burns off extra energy from the highest cells as heat. Active balancing, as in this JK smart BMS with active balancer, moves energy from higher cells to lower ones, using a 0.6A balancing current. That is more efficient and helps keep cells matched.
What is the JK Semi Smart BMS 8-20S 60A price in India, and where can I buy it?
The current JK semi smart BMS price is shown on the Yati product page, and pricing depends on quantity. Yati Infotech Solution Pvt. Ltd. is based in Noida and supplies customers across India, so you can order from the Yati store or send us your quantity for a quote.
Get a Quote from Yati
Building a lithium pack or need BMS boards in bulk? Send Yati your pack voltage, chemistry and load, and we’ll help you pick the right board and reply with pricing and availability.
Product Overview
JK Semi Smart BMS 8-20S 60A (JK-BD6A2056PD)
The JK Semi Smart BMS 8-20S 60A (model JK-BD6A20S6PD) is a battery management system for lithium packs of 8 to 20 cells in series. It combines 60A continuous current, 0.6A active balancing, Bluetooth app monitoring and RS485 communication, and it works with Li-ion, LiFePO4 and LTO packs. Yati Infotech Solution Pvt. Ltd. supplies it for e-bike, e-scooter, solar storage and custom battery pack builds.
Product Overview
A BMS is the part of a lithium pack that keeps the cells safe. It watches each cell’s voltage, the pack’s current and its temperature, and it disconnects the pack when something goes out of range. Without one, a lithium pack has nothing to stop overcharge, over-discharge or a short circuit.
The JK BMS 8-20S 60AMP is made for packs from 8S to 20S, meaning 8 to 20 cells in series. It protects against overcharge, over-discharge, overcurrent, short circuit and over or under temperature. It is sold as a semi smart JK BMS, which still gives you real-time monitoring and settings through the JK BMS app over Bluetooth, plus an RS485 port for system integration.
Its active balancing is the feature many builders look for. Instead of burning extra energy as heat, it moves energy between cells, so the pack stays more even.
Key Features
- 8S to 20S cell configuration
- 60A continuous current
- 0.6A active balancing
- Works with Li-ion, LiFePO4 and LTO packs
- Bluetooth monitoring with the JK BMS app (Android and iOS)
- RS485 communication
- Protection against overcharge, over-discharge, overcurrent, short circuit and temperature extremes
Why Builders Choose This BMS
One board, many pack sizes. Because it supports 8S to 20S, the same JK smart BMS can serve a 24V-class, 48V-class or 60V-class pack, which means fewer models to stock.
Active balancing. It transfers energy between cells rather than wasting it as heat, which helps cells stay matched and supports longer pack life.
A look inside your pack. The app shows state of charge, voltage, current and temperature, and lets you change parameters, so you can check the pack without a meter.
Multiple chemistries. One BMS family covers Li-ion, LiFePO4 and LTO, so you can reuse your knowledge across builds.
Made for moderate loads. At 60A continuous, it suits e-bikes, scooters, small solar banks and many backup systems.
Technical Specifications
| Specification | Details |
| Brand | JKBMS |
| Model | JK-BD6A20S6PD |
| Type | Semi smart BMS with active balancing |
| Cell configuration | 8S to 20S |
| Supported batteries | Li-ion, LiFePO4, LTO |
| Continuous current | 60A |
| Peak discharge current | 100A (seller-listed) |
| Balance type | Active |
| Balance current | 0.6A |
| Protection | Overcharge, over-discharge, overcurrent, short circuit, over and under temperature |
| Monitoring | Bluetooth app |
| Communication | RS485 |
Choosing the Right Series Count and Current
The number of cells in series sets your voltage. With common cells:
- 8S LiFePO4 gives 25.6V nominal
- 13S Li-ion gives 48.1V nominal
- 16S LiFePO4 gives 51.2V nominal
- 20S LiFePO4 gives 64V nominal
Set the BMS to the same series count and chemistry as your pack. Also confirm the maximum pack voltage on the datasheet, because a 20S Li-ion pack charges well above a LiFePO4 pack of the same count.
For current, work out your load. Power divided by voltage gives amps, so 60A at 48V nominal is about 2.9kW. Leave headroom, and don’t plan to run a BMS at its limit all day. For heavier loads, choose a higher-rated model.
Where It Is Used
- E-bikes on 36V or 48V systems
- E-scooters on 48V or 60V systems
- Solar energy storage banks
- Portable power stations
- RV and backup power systems
- OEM and custom lithium battery packs
Installing and Using It Safely
- Follow the manufacturer’s manual for wiring the balance leads and the main connections.
- Set the chemistry and series count in the app before the first charge.
- Check each cell’s voltage before connecting, and keep cells matched.
- Use a charger suited to your chemistry and pack voltage.
- Keep wiring and connectors rated well above your peak current.
- Keep the board away from moisture and heat.
Why Buy from Yati
Yati Infotech Solution Pvt. Ltd., based in Noida, supplies BMS boards, lithium cells, cell holders, battery casings, connectors and tools. You can order the JK BMS together with the cells and parts it protects, and the Yati team can help you match it to your pack.
Frequently Asked Questions
What is the best BMS for a lithium-ion battery?
There is no single best BMS. The right one matches your battery chemistry, series count, continuous and peak current, and the features you need, such as balancing and monitoring. The JK Semi Smart BMS 8-20S 60A suits Li-ion, LiFePO4 and LTO packs from 8S to 20S that draw up to 60A, with 0.6A active balancing and Bluetooth app monitoring.
What size BMS for 200Ah battery lithium?
Battery capacity doesn’t set BMS size. Your load current does. Divide your load’s power by the pack voltage: a 3kW inverter on a 51.2V pack draws about 59A, which is too close to the limit of a 60A BMS. For a 60A BMS such as this one, keep the continuous load comfortably below 60A, and remember that charging is also limited to 60A, which is about 0.3C on a 200Ah pack. For heavier loads, choose a higher-rated BMS.
Can I run a lithium battery without BMS?
You can wire one up, but it isn’t safe. Without a BMS, nothing stops overcharge, over-discharge, overcurrent or short circuits, and cells drift out of balance over time. These faults can damage cells and create a fire risk. Every multi-cell lithium pack needs a BMS suited to its chemistry and current.
Which brand of lithium battery is best in India?
There is no single best brand. The right one depends on your load, runtime and budget, and on whether the seller can show a datasheet. Compare capacity, discharge rating and cycle life under stated conditions. Whichever cells you choose, pair them with a BMS that matches their chemistry and current, such as a JK smart BMS set up for your series count.
Can the BMS damage your battery life?
A correctly set up BMS protects battery life. Problems come from wrong settings (the wrong chemistry or voltage limits), an undersized board running near its limit, loose or poor wiring, or an undersized balance setup. Take the JK BMS settings from your cell’s datasheet, and check them in the app before the first charge.
What is the difference between active and passive balancing?
Passive balancing burns off extra energy from the highest cells as heat. Active balancing, as in this JK smart BMS with active balancer, moves energy from higher cells to lower ones, using a 0.6A balancing current. That is more efficient and helps keep cells matched.
What is the JK Semi Smart BMS 8-20S 60A price in India, and where can I buy it?
The current JK semi smart BMS price is shown on the Yati product page, and pricing depends on quantity. Yati Infotech Solution Pvt. Ltd. is based in Noida and supplies customers across India, so you can order from the Yati store or send us your quantity for a quote.
Get a Quote from Yati
Building a lithium pack or need BMS boards in bulk? Send Yati your pack voltage, chemistry and load, and we’ll help you pick the right board and reply with pricing and availability.