Skip to content
JKESS
ENContact Us

Find your energy solution

Your inquiry cart

Your cart is empty. Choose a product and configure your system.

HIGH VOLTAGE DIY BOX

Control the systemyour way.

Modular high-voltage DIY box for 64S–256S LiFePO4 battery systems. Built for flexible expansion and wide inverter integration.

Configure Your SystemDownload Datasheet

100A / 200ASystem options

64S–256SScalable architecture

2AActive balancing

CAN / RS485Wide compatibility

JKESS modular high voltage battery tower
Cloud Platform
High voltage battery master control unitHigh Voltage Box
PCS
Electricity Grid
WiFi
Slave battery management unitSlave Battery Box
Electrical Load

Configure Your System

Choose the right configuration for your project. Modular, flexible, and built to scale.

01

Choose Current (BCU)

02

Choose BMU Quantity (System Voltage)

WHY CHOOSE JKESS

Engineered for
reliability.

Active Balancing

Active Balancing

2A active balancing maintains cell consistency and extends battery lifespan.

Multiple Communication

Multiple Communication

CAN / RS485, Modbus and inverter communication supported.

Modular & Scalable

Modular & Scalable

From 64S to 256S, flexible configuration for different applications.

Industrial-Grade Design

Industrial-Grade Design

Reliable hardware, optimized thermal design, and high safety standards.

Flexible Expansion

Easily scale from 4 to 16 battery boxes in series to meet different project requirements.

4 battery boxes connected in series

4 Battery Boxes
(64S)

5 battery boxes connected in series

5 Battery Boxes
(80S)

6 battery boxes connected in series

6 Battery Boxes
(96S)

SeriesSeries
7 battery boxes connected in series

7 Battery Boxes
(112S)

16 battery boxes connected in series

MAX 16 Battery Boxes
(256S)

MAX Series

Compatible Inverter Brands

Compatible with mainstream inverter brands. Please confirm protocol details and firmware version before ordering.

Deye☼ solisGrowatt❖ PYLONTECH▰▰ MEGAREVO

Master Control Unit (BCU) Configuration Guide

Learn about the interfaces and hardware of the 100A / 200A High Voltage Box.

Front interfaces of the high voltage BCU master control unit
  1. Run LED
  2. Alarm LED
  3. 4.3 inch Display
  4. Battery Positive Power Connector (Orange)
  5. PCS Positive Power Connector (Orange)
  6. Battery Negative Power Connector (Black)
  7. PCS Negative Power Connector (Black)
  8. Module Case Circuit Breaker
  9. Power Communication Socket
  10. PCS / Inverter Communication Port
  11. Gateway Port
  12. Daisy Chain Communication Port
  13. Debug Port
  14. Display Port
  15. 220V Power Socket
  16. Power Switch
  17. WiFi
  18. Indicator Light Expansion Port

SLAVE LiFePO4 BATTERY BOX

Learn about the structure and interfaces of the Slave Battery Box.

Exploded view of the slave battery box, including battery cells, BMS, fan and connection cables
  • Battery Management System (BMU / Active Balance)
  • CCS wire harness (integrated busbar)
  • Battery pack connection cable
  • Fan & communication board
  • Power / communication connection line
  • Daisy-chain data cable
Slave battery box front panel showing communications, fan and battery terminals
  1. Power input and output interface between battery modules
  2. Daisy-chain communication interface between battery modules
  3. Fan — ventilation and heat dissipation
  4. Battery module negative pole (black)
  5. Battery module positive pole (orange)

Tell us your inverter model and target series count.

Our technical team will help you find the right configuration for your project.

Contact Us

CLEAN ENERGY
A BRIGHTER TOMORROW

Product information

High Voltage DIY Kits

Modular BMU and BCU architecture for high-voltage battery systems.
  • 64S–256S
  • 100A / 200A
  • Active Balancing

Product scope depends on the selected configuration. Battery cells and third-party equipment are not included unless stated in a signed quotation.