JK ESS 8S-16S 200Amp (2A)
YATI-4422Quick Highlight
JK ESS 8S-16S 200Amp (2A Active Balance) Smart BMS
The JK ESS 8S-16S 200Amp is a high-current smart BMS for lithium battery walls in 24V and 48V systems. It carries 200A of continuous current, balances cells with a strong 2A active balancer and communicates through CAN, RS485 and Bluetooth. Yati Infotech Solution Pvt. Ltd. supplies it from Noida to pack builders, solar installers and service workshops across India.
Product Overview
A home or workshop battery wall has to handle big loads and still stay healthy for years. Pumps, air conditioners and power tools pull heavy current, and the battery must deliver it without stress. At the same time, the cells need to stay matched, because large-capacity cells drift apart in ways that a basic BMS cannot correct.
The JK-PB2A16S20P is made for that job. It supports eight to sixteen cells in series and carries 200A continuously, which suits higher-power inverter systems. Its 2A active balancer is built to handle large cells, such as 280Ah and 304Ah types, and it keeps the voltage spread between cells small. CAN and RS485 let it share battery data with a compatible inverter.
You will see this product searched under many names, including JK ESS, JK Smart ESS BMS, JKESS, JK ESS 8S 16S 200 Amp and 8S 16S JK ESS. They all point to the same family of boards.
Key Features
- 8S to 16S range for 24V and 48V class battery walls
- 200A continuous current for high-power household and workshop loads
- 350A peak current for short surges
- 2A active balancing between cell groups
- CAN and RS485 communication with preloaded protocols
- Bluetooth app monitoring
- Low-temperature protection with heating support
- Parallel expansion, with the maker stating up to 16 packs
- Li-ion, LiFePO4 and LTO support
Specifications
| Specification | Details |
| Brand | JK BMS |
| Model | JK-PB2A16S20P |
| Series | 8S to 16S |
| Continuous current | 200A |
| Peak current | 350A |
| Active balance current | 2A |
| Balancing method | Active balancing |
| Communication | Bluetooth, CAN, RS485 |
| Extra function | Heating support |
| Battery types | Li-ion, LiFePO4, LTO |
What Do 200A Continuous and 350A Peak Mean?
The 200A rating is the current the board can carry continuously. The 350A peak is the short-burst limit, for moments when a large load starts. Check the datasheet for how long the peak can last before you design around it.
To see what the continuous rating means for power, multiply voltage by current:
- A 24V pack at 200A delivers about 4.8kW.
- A 48V pack at 200A delivers about 9.6kW.
- A 51.2V pack at 200A delivers about 10.2kW.
That puts it in the range of larger home and workshop inverters. If your loads are lighter, a lower-current board may be enough.
What Does 2A Active Balancing Do?
In every pack, cells drift apart with use. Some hold more charge, some less, and the gap between them widens. A passive balancer burns off the excess energy as heat. An active balancer moves charge from stronger cells to weaker ones instead.
The "2A" figure is the balancing current, which is how much energy the board can move between cells. A higher balancing current gives the board more power to correct drift, and that matters most with large-capacity cells. Balancing does not replace good cell matching and solid busbars, so plan those as well.
What Does 8S to 16S Mean?
The "S" stands for series. A pack with eight cells in series is 8S, and a pack with sixteen is 16S. Common examples, using typical nominal cell voltages, are:
- 8S LiFePO4: about 25.6V, a 24V-class bank
- 15S LiFePO4: about 48V
- 16S LiFePO4: about 51.2V, the usual 48V-class battery wall
- 13S Li-ion: about 48V
Set the chemistry and series count to match your cell stack, and confirm the limits against the datasheet.
Inverter Communication
The board has dual RS485 and CAN ports, and it comes with several communication protocols preloaded. When the BMS and inverter communicate, the inverter can receive battery information and adjust its charging to suit.
Having the ports does not guarantee compatibility. Your inverter must support a matching protocol, and the settings, pinout and cable must match. Before you plan an installation, check your inverter's documentation, and ask Yati if you are unsure.
Building Larger Banks
The maker describes this board as stackable, allowing multiple battery packs to run in parallel, with up to 16 packs stated. If you plan an expandable bank, keep these points in mind:
- Use matching cables of equal length for each pack.
- Set pack addresses correctly.
- Keep cell chemistry and series count the same in every pack.
- Confirm the parallel setup against the manual before you connect packs.
Cold Weather and Heating Support
The board includes low-temperature protection with heating support. In cold places, charging lithium cells below a safe temperature can damage them, so a heating function lets the system warm the pack before charging. Check the manual for how to wire and set the heating output.
Where You Can Use It
- Residential solar storage batteries
- 24V and 48V home powerwalls and battery walls
- Higher-power inverter and backup batteries
- Off-grid and hybrid solar systems
- Expandable parallel battery banks
- Battery assembly and service workshops
Planning a 200A Build
At 200A, the whole current path matters, not just the BMS. Check these points before you build:
- Conductors and busbars: Size them for the full current, with margin.
- Fuse or breaker: Add proper protection in the main current path.
- Terminals: Tighten them firmly, because loose joints create heat.
- Cooling: Give the board airflow, especially during long periods of heavy use.
- Capacity setting: Set a realistic pack capacity in the BMS, so state of charge reads accurately.
Commissioning Tips
- Read the manual for your exact hardware revision before you start.
- With chargers and loads disconnected, check each cell group's voltage and connect the sampling harness in the correct order.
- Use insulated tools, and route communication wiring away from high-current cables.
- Start with a low current, and check terminal temperature as you raise the load.
- Confirm inverter communication before you put the pack into full service.
- Record your settings, including chemistry, series count, balance settings and inverter protocol.
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. 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 ESS 8S-16S 200Amp BMS?
It is a smart energy-storage BMS for 8S to 16S lithium packs, model JK-PB2A16S20P, rated for 200A continuous current. The JK ESS board adds 2A active balancing, Bluetooth monitoring and CAN and RS485 communication.
What is the JK ESS BMS price in India?
The JK ESS BMS price in India is listed per piece on the product page, and rates improve with quantity. For a bulk quote on the JK Smart ESS BMS, send Yati your quantity.
What does 2A mean in JK ESS 8S-16S-200AMP (2A)?
It refers to the 2A active balancing current, which is how much energy the BMS can move between cell groups. The 200A figure is the continuous current rating, which is a separate matter.
How much power can a 200A JK ESS BMS handle?
A 48V pack at 200A delivers about 9.6kW, and a 51.2V pack at 200A delivers about 10.2kW. Your real limit also depends on your cables, busbars, fuse and cooling, so plan the full current path.
Can the JK ESS BMS work with my inverter?
It offers CAN and RS485 with several protocols preloaded. Whether it works with your inverter depends on the protocol, settings, pinout and cable, so check your inverter's documentation, or ask Yati before you buy.
Can I connect several JK ESS packs in parallel?
The maker describes the board as stackable, with up to 16 packs stated. Use matching cables, correct pack addresses and the same chemistry and series count in every pack, and follow the manual.
Where can I buy the 8S 16S 200AMP JK ESS 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 a battery wall, or need ESS BMS boards in bulk? Add the JK ESS 8S-16S 200Amp to your quote on the Yati Store, or send us your chemistry, series count and inverter details.
Product Overview
JK ESS 8S-16S 200Amp (2A Active Balance) Smart BMS
The JK ESS 8S-16S 200Amp is a high-current smart BMS for lithium battery walls in 24V and 48V systems. It carries 200A of continuous current, balances cells with a strong 2A active balancer and communicates through CAN, RS485 and Bluetooth. Yati Infotech Solution Pvt. Ltd. supplies it from Noida to pack builders, solar installers and service workshops across India.
Product Overview
A home or workshop battery wall has to handle big loads and still stay healthy for years. Pumps, air conditioners and power tools pull heavy current, and the battery must deliver it without stress. At the same time, the cells need to stay matched, because large-capacity cells drift apart in ways that a basic BMS cannot correct.
The JK-PB2A16S20P is made for that job. It supports eight to sixteen cells in series and carries 200A continuously, which suits higher-power inverter systems. Its 2A active balancer is built to handle large cells, such as 280Ah and 304Ah types, and it keeps the voltage spread between cells small. CAN and RS485 let it share battery data with a compatible inverter.
You will see this product searched under many names, including JK ESS, JK Smart ESS BMS, JKESS, JK ESS 8S 16S 200 Amp and 8S 16S JK ESS. They all point to the same family of boards.
Key Features
- 8S to 16S range for 24V and 48V class battery walls
- 200A continuous current for high-power household and workshop loads
- 350A peak current for short surges
- 2A active balancing between cell groups
- CAN and RS485 communication with preloaded protocols
- Bluetooth app monitoring
- Low-temperature protection with heating support
- Parallel expansion, with the maker stating up to 16 packs
- Li-ion, LiFePO4 and LTO support
Specifications
| Specification | Details |
| Brand | JK BMS |
| Model | JK-PB2A16S20P |
| Series | 8S to 16S |
| Continuous current | 200A |
| Peak current | 350A |
| Active balance current | 2A |
| Balancing method | Active balancing |
| Communication | Bluetooth, CAN, RS485 |
| Extra function | Heating support |
| Battery types | Li-ion, LiFePO4, LTO |
What Do 200A Continuous and 350A Peak Mean?
The 200A rating is the current the board can carry continuously. The 350A peak is the short-burst limit, for moments when a large load starts. Check the datasheet for how long the peak can last before you design around it.
To see what the continuous rating means for power, multiply voltage by current:
- A 24V pack at 200A delivers about 4.8kW.
- A 48V pack at 200A delivers about 9.6kW.
- A 51.2V pack at 200A delivers about 10.2kW.
That puts it in the range of larger home and workshop inverters. If your loads are lighter, a lower-current board may be enough.
What Does 2A Active Balancing Do?
In every pack, cells drift apart with use. Some hold more charge, some less, and the gap between them widens. A passive balancer burns off the excess energy as heat. An active balancer moves charge from stronger cells to weaker ones instead.
The "2A" figure is the balancing current, which is how much energy the board can move between cells. A higher balancing current gives the board more power to correct drift, and that matters most with large-capacity cells. Balancing does not replace good cell matching and solid busbars, so plan those as well.
What Does 8S to 16S Mean?
The "S" stands for series. A pack with eight cells in series is 8S, and a pack with sixteen is 16S. Common examples, using typical nominal cell voltages, are:
- 8S LiFePO4: about 25.6V, a 24V-class bank
- 15S LiFePO4: about 48V
- 16S LiFePO4: about 51.2V, the usual 48V-class battery wall
- 13S Li-ion: about 48V
Set the chemistry and series count to match your cell stack, and confirm the limits against the datasheet.
Inverter Communication
The board has dual RS485 and CAN ports, and it comes with several communication protocols preloaded. When the BMS and inverter communicate, the inverter can receive battery information and adjust its charging to suit.
Having the ports does not guarantee compatibility. Your inverter must support a matching protocol, and the settings, pinout and cable must match. Before you plan an installation, check your inverter's documentation, and ask Yati if you are unsure.
Building Larger Banks
The maker describes this board as stackable, allowing multiple battery packs to run in parallel, with up to 16 packs stated. If you plan an expandable bank, keep these points in mind:
- Use matching cables of equal length for each pack.
- Set pack addresses correctly.
- Keep cell chemistry and series count the same in every pack.
- Confirm the parallel setup against the manual before you connect packs.
Cold Weather and Heating Support
The board includes low-temperature protection with heating support. In cold places, charging lithium cells below a safe temperature can damage them, so a heating function lets the system warm the pack before charging. Check the manual for how to wire and set the heating output.
Where You Can Use It
- Residential solar storage batteries
- 24V and 48V home powerwalls and battery walls
- Higher-power inverter and backup batteries
- Off-grid and hybrid solar systems
- Expandable parallel battery banks
- Battery assembly and service workshops
Planning a 200A Build
At 200A, the whole current path matters, not just the BMS. Check these points before you build:
- Conductors and busbars: Size them for the full current, with margin.
- Fuse or breaker: Add proper protection in the main current path.
- Terminals: Tighten them firmly, because loose joints create heat.
- Cooling: Give the board airflow, especially during long periods of heavy use.
- Capacity setting: Set a realistic pack capacity in the BMS, so state of charge reads accurately.
Commissioning Tips
- Read the manual for your exact hardware revision before you start.
- With chargers and loads disconnected, check each cell group's voltage and connect the sampling harness in the correct order.
- Use insulated tools, and route communication wiring away from high-current cables.
- Start with a low current, and check terminal temperature as you raise the load.
- Confirm inverter communication before you put the pack into full service.
- Record your settings, including chemistry, series count, balance settings and inverter protocol.
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. 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 ESS 8S-16S 200Amp BMS?
It is a smart energy-storage BMS for 8S to 16S lithium packs, model JK-PB2A16S20P, rated for 200A continuous current. The JK ESS board adds 2A active balancing, Bluetooth monitoring and CAN and RS485 communication.
What is the JK ESS BMS price in India?
The JK ESS BMS price in India is listed per piece on the product page, and rates improve with quantity. For a bulk quote on the JK Smart ESS BMS, send Yati your quantity.
What does 2A mean in JK ESS 8S-16S-200AMP (2A)?
It refers to the 2A active balancing current, which is how much energy the BMS can move between cell groups. The 200A figure is the continuous current rating, which is a separate matter.
How much power can a 200A JK ESS BMS handle?
A 48V pack at 200A delivers about 9.6kW, and a 51.2V pack at 200A delivers about 10.2kW. Your real limit also depends on your cables, busbars, fuse and cooling, so plan the full current path.
Can the JK ESS BMS work with my inverter?
It offers CAN and RS485 with several protocols preloaded. Whether it works with your inverter depends on the protocol, settings, pinout and cable, so check your inverter's documentation, or ask Yati before you buy.
Can I connect several JK ESS packs in parallel?
The maker describes the board as stackable, with up to 16 packs stated. Use matching cables, correct pack addresses and the same chemistry and series count in every pack, and follow the manual.
Where can I buy the 8S 16S 200AMP JK ESS 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 a battery wall, or need ESS BMS boards in bulk? Add the JK ESS 8S-16S 200Amp to your quote on the Yati Store, or send us your chemistry, series count and inverter details.