JK ESS 8S-16S 100 Amp (0.6A Active Balance)

The JK ESS 8S-16S 100 Amp is a smart active-balance BMS made for inverter and energy-storage batteries. It carries 100A of continuous charge and discharge current, and it offers 0.6A active balancing, an integrated 10A parallel current limiter and CAN and RS485 communication as standard. Yati Infotech Solution Pvt. Ltd. supplies it from Noida to pack builders, installers and service workshops across India.

Product Overview

An energy-storage battery has to do more than store power. It talks to an inverter, shares its status and stays balanced through thousands of cycles. The BMS is the part that makes all of that happen, so choosing it carefully matters as much as choosing the cells.

The JK ESS board is built for that role. It supports packs from eight to sixteen cells in series, which lets one board serve several pack sizes. It carries 100A in both directions, so it suits inverter batteries and storage systems with moderate to heavy loads. Active balancing keeps the cell groups close in voltage, and the standard CAN and RS485 interfaces let the board communicate with a compatible inverter.

You will see this product searched under many names, including JK ESS, JK Smart ESS, JK ESS 8S 16S, 8S 16S JK ESS and JK ESS 8S-16S 100 Amp (0.6A). They all point to the same family of boards.

Key Features

• 8S to 16S range for a wide choice of pack sizes
• 100A continuous charge and discharge current
• 0.6A active balancing between cell groups
• Integrated 10A parallel current limiter
• CAN and RS485 communication as standard
• Optional heating interface
• Designed for inverter and energy-storage batteries

Specifications

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. This board supports series counts from 8 to 16.

Here are a few common examples, using typical nominal cell voltages:

• 8S LiFePO4: about 25.6V
• 15S LiFePO4: about 48V
• 16S LiFePO4: about 51.2V
• 13S Li-ion: about 48V

The supported chemistries and exact limits depend on the board's settings, so confirm your chemistry and series count against the manual before you build. Your inverter must also match the finished pack voltage.

What Does 0.6A Active Balancing Do?

Cells in a pack never stay perfectly equal. Over time, some charge faster and some hold less, and the voltage gap between them grows. If the gap gets too big, the weakest cell limits the whole battery.

A passive BMS reduces the gap by burning off extra energy as heat. An active balancer moves energy from stronger cell groups to weaker ones instead. The "0.6A" figure is the balancing current, which is how much energy the board can move between cells at a time.

Balancing helps with normal drift, but it has limits. It cannot restore lost capacity or fix a loose busbar, so good cell matching and solid connections still matter.

CAN and RS485 Communication

Both CAN and RS485 come as standard on this board, with no extra selection needed. These interfaces let the BMS share battery information with a compatible inverter or system.

An interface alone does not guarantee compatibility. Your inverter must support the same protocol, and the pinout, cable and settings must match. Before you plan an installation, check your inverter's documentation, and confirm with Yati if you are unsure.

The Parallel Current Limiter

The board includes an integrated 10A parallel current limiter. This feature is aimed at battery banks where more than one pack connects in parallel. Read the manual to see how it behaves in your setup, and plan the wiring so that parallel packs have matching cables and settings.

Optional Accessories

The JK-PB series offers optional accessories, including display screens and a WiFi module, and a heating interface can be added on request. Ask Yati which options are available in your package, and confirm the adapter and harness for the hardware revision you receive.

Where You Can Use It

The JK ESS 8S 16S 100 Amp suits stationary storage and backup uses:

• Residential solar storage batteries
• Home energy storage cabinets
• Inverter and backup batteries
• Off-grid and hybrid solar systems
• Expandable parallel battery banks
• Battery assembly and service workshops

Planning a 100A Build

At 100A, the whole current path matters, not just the BMS. A 24V pack at 100A delivers about 2.4kW, and a 48V pack at 100A delivers about 4.8kW. Check these points before you build:

• Conductors and busbars: Size them for the full current, with some margin.
• Fuse or breaker: Add proper protection in the main current path.
• Terminals: Tighten them firmly, because loose joints create heat.
• Cooling and space: Make sure the board has airflow and fits inside your casing.
• Capacity setting: Set a realistic pack capacity in the BMS, so state of charge reads accurately.

Installation Tips

• Read the manual and wiring diagram for your exact hardware revision before you start.
• Set the chemistry and the series count to match your cell stack.
• 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.

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 100 Amp BMS?

It is a smart active-balance BMS for 8S to 16S inverter and energy-storage batteries, rated for 100A continuous current. The JK ESS board adds 0.6A active balancing, an integrated 10A parallel current limiter and standard 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 board, send Yati your quantity.

What does 0.6A mean in JK ESS 8S-16S-100 Amp (0.6A)?

It refers to the active balancing current, which is how much energy the BMS can move between cell groups to control voltage spread. The 100A figure is the continuous charge and discharge current, which is a separate rating.

Which batteries does the JK ESS 8S 16S support?

It supports packs from 8S to 16S. Chemistry-specific limits depend on the board's settings, so confirm your chemistry and series count against the manual before you build.

Can the JK ESS BMS talk to my inverter?

It includes CAN and RS485 as standard. Whether it works with your inverter depends on the protocol, pinout, cable and settings, so check your inverter's documentation, or ask Yati before you buy.

Is 100A enough for my battery bank?

It depends on your load. A 24V pack at 100A delivers about 2.4kW, and a 48V pack at 100A delivers about 4.8kW. If your inverter draws more, or you need extra headroom, plan a larger system or ask Yati for advice.

Where can I buy the 8S 16S 100 Amp 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 solar or inverter storage batteries, or need BMS boards in bulk? Add the JK ESS 8S-16S 100 Amp to your quote on the Yati Store, or send us your chemistry, series count and inverter details.