DALY 4S 20A LFP WITH BALANCE

The DALY BMS LFP 4S 20A with Balance is a reliable Battery Management System designed specifically for 4-cell (4S) LiFePO₄ battery packs. Built to handle up to 20A continuous discharge, it provides stable power delivery and essential safety protections for applications such as electric vehicles, solar energy storage, backup systems, and DIY battery packs.

This BMS protects the battery against overcharge, over-discharge, overcurrent, short circuits, and overheating, while the integrated balancing circuit maintains uniform cell voltages, improving performance and extending battery life.

Key Features

4S LiFePO₄ Compatibility:
Designed specifically for 4-cell (12.8V nominal) LiFePO₄ battery packs.

20A Continuous Current:
Supports stable discharge for medium-power battery applications.

Cell Balancing Function:
Integrated balancing circuit helps maintain equal voltage across all cells.

Comprehensive Protection:
Safeguards against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes.

Plug & Play Connector:
JST-type connector simplifies installation and wiring.

Aluminum Shielded Casing:
Enhances heat dissipation and protects the internal circuitry from interference.

Compact & Durable Design:
Lightweight, robust construction for long-term use.

Technical Specifications

Brand: DALY
Model:J13G3
Battery Type: LiFePO₄ (LFP)
Cell Configuration: 4S
Nominal Voltage: 12.8V
Charge Voltage: 14.6V

Discharge Cutoff Voltage: 10V

Continuous Charge/Discharge Current: 20A

Overcharge Detection: 3.65V ± 0.05V per cell
Over-Discharge Detection: 2.32V ± 0.1V per cell

Charge Temperature Protection: 0°C to 50°C
Discharge Temperature Protection: 65°C to 75°C

Applications

The DALY  4S 20A BMS is ideal for:

• DIY 12.8V LiFePO₄ battery packs

• Electric scooters and e-bikes

• Solar energy storage systems

• UPS and backup power units

• Portable battery systems

• Robotics and industrial equipment

Why Choose DALY LFP 4S 20A BMS?

Reliable Protection:
Essential safety features prevent battery damage and extend lifespan.

Balanced Cell Performance:
Integrated balancing helps maintain consistent cell voltages.

High Current Capability:
Supports medium-power applications up to 20A.

Easy Installation:
Pre-wired connector and compact design simplify setup.

Installation Guide

Verify Compatibility:
Ensure the BMS matches your 4S LiFePO₄ battery configuration.

Connect Properly:
Attach balance leads and main terminals securely.

Test Before Use:
Check pack voltage and protection functions before full-load operation.

Bulk Orders Available

Available in Patna, Bihar | PAN India Delivery

Whatsapp: 7992437327