DALY Smart BMS LiFePo4 4S 12.8V 100A Battery Management System with UART, CAN, RS485 and Bluetooth Communication Support

The DALY Smart BMS is a comprehensive Battery Management System designed to monitor and protect lithium-based battery packs (LiFePO₄ and others). It features intelligent protection, real-time data communication, and multiple interface ports to ensure battery health, safety, and remote diagnostics. The system integrates UART, CAN, and RS-485 communication along with Bluetooth support for enhanced connectivity. Passive balancing is included to maintain cell voltage uniformity and extend battery life.

Key Features:

• Designed for 4S LiFePO₄ battery packs (12.8V nominal)
• Supports 100A continuous discharge for high-power applications
• Advanced protection circuits for over-voltage, under-voltage, overcurrent, short-circuit, and temperature
• Multiple communication protocols: Bluetooth, UART, and CAN for real-time monitoring and external control
• Passive balancing to maintain cell health and uniformity
• Ideal for solar systems, electric vehicles, portable power stations, and energy storage systems

Specifications:

Specification	Value
Model	LiFePO₄ 4S 12.8V 100A Smart BMS
Supported Battery Type	LiFePO₄ (4S)
Nominal Voltage	12.8V
Charge Voltage	14.6V
Charge Current	50A
Continuous Discharge Current	100A
Balance Current	30 ±5 mA
Overcharge Detect Voltage	3.75 ±0.05V per cell
Overcharge Release Voltage	3.55 ±0.05V per cell
Over-discharge Detect Voltage	2.20 ±0.1V per cell
Over-discharge Release Voltage	2.50 ±0.1V per cell
Communication Protocols	Bluetooth, UART, CAN
Operating Temperature Range	-20°C to 70°C
Dimensions	Approx. 150 x 66 x 15 mm

 

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Package Includes:

1 x DALY Smart BMS LiFePO₄ 4S 12.8V 100A Module

1 x Bluetooth Module

1 x Buzzer/Alarm Module

1 x Switch with Connector

2 x Temperature Sensors

1 x Main Power Cable (Red & Black)

1 x Communication/Signal Cable