JBD SEMI SMART BMS 8-20S 80A DB20SA02

JBD SEMI SMART BMS 80A DB20SA02 (8-20S) Charge and discharge are both at the same port

Product Data Sheet (DB20SA02)

The JBD Semi Smart BMS DB20SA02 (8S–20S, 80A) is a high-performance battery management system designed specifically for LiFePO4 lithium battery packs. Built with advanced JBD technology, this BMS offers intelligent monitoring via UART communication, allowing integration with external displays, controllers, or PC software for precise battery management.

Equipped with a heating function, this BMS ensures stable battery performance even in low-temperature environments—making it ideal for outdoor and winter applications. The series connection support allows multiple battery packs to be connected efficiently, expanding voltage capacity for high-power systems.

With robust safety features and accurate cell balancing, the JBD Semi Smart BMS enhances battery life, improves performance, and ensures reliable protection for demanding applications like EVs, solar storage, and backup systems.

Key Features:

✔ Semi Smart BMS with UART Communication – Enables real-time monitoring and integration with external systems

✔ Wide Cell Range (8S–20S) – Flexible design for multiple battery pack configurations

✔ 80A Continuous Current – Suitable for high-power lithium battery applications

✔ Built-in Heating Function – Maintains battery efficiency in cold weather conditions

✔ Series Connection Support – Easily expand voltage by connecting multiple battery packs

✔ Advanced Protection System – Overcharge, over-discharge, overcurrent, short circuit & temperature protection

✔ Precision Cell Balancing – Ensures uniform voltage across cells and extends battery lifespan

✔ Durable Industrial Design – Reliable PCB for long-term stable operation

Applications:

• •Electric Vehicles (EVs)
• •E-Bikes & Electric Scooters
• •Solar Energy Storage Systems
• •Energy Storage Systems (ESS)
• •Lithium Battery Packs (DIY & Industrial Use)
• •Backup Power & Inverter Systems

Why Choose JBD BMS?

JBD (Jiabaida) is a trusted name in lithium battery management systems, known for precision engineering and advanced smart features. The DB20SA02 model delivers a perfect balance of safety, smart control, and performance—ideal for both professional and commercial battery applications.