6.4V 20Ah LiFePO4 Battery Pack

Product Number:
05DQ0068-02
Nominal voltage:
6.4V
Nominal capacity:
20Ah
Battery Configuration:
C40-2S1P
Dimension:
139×81.5×40.5mm
Application:
security equipment
MOLEX Connector Output, ESD Protection System, Laser Welded Nickel Tabs
Product Overview

This battery is designed for intelligent video surveillance equipment used in power systems, highways, and security monitoring scenarios, where 24/7 continuous operation is required. It features stable output and rugged compact structure, ensuring reliable power supply in harsh outdoor environments.

Electrical Specifications

Property Parameter
Product Number 05DQ0068-02
Cell Model C40-20Ah-3.2V
Battery Configuration 2S1P
Nominal Voltage 6.4V
Nominal Capacity 20Ah
Rated Energy 128Wh
Charging Voltage 7.2V
Discharge Cut-off Voltage 4.0V
Standard Charging Current ≤3.6A
Standard Discharge Current ≤3.6A
Max Continuous discharge current ≤3.6A
Internal Resistance ≤100mΩ

Mechanical & Environmental

Property Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage Temperature -20~35℃
Dimensions 139×81.5×40.5mm
Weight 800g
Output Type MOLEX plug output
Battery Case Blue PVC heat shrink film
Protection System Short circuit / overcharge / over-discharge / over-temperature / overcurrent / ESD protection

Application Background

This battery solution is designed for intelligent video surveillance systems used in power infrastructure, highways, and security monitoring applications.
The equipment requires 24/7 continuous power supply in outdoor environments with complex conditions, demanding high stability, safety, and environmental adaptability.

Project Challenges

Requires 24/7 continuous and stable operation
Operating temperature range: -20~60℃ outdoor environments
Must withstand vibration and mechanical shock
High requirements for power stability and safety protection

Customized Battery Solution

6.4V LiFePO4 chemistry: high-safety lithium iron phosphate system for stable long-duration power supply
Multi-protection system: overcharge, over-discharge, overcurrent, overtemperature, and ESD protection
Laser-welded nickel tabs: enhanced vibration resistance and connection reliability
MOLEX output connector: improved electrical connection stability and installation reliability

Application Results

Supports 24/7 continuous operation of surveillance systems
Improves stability in harsh outdoor environments
Enhances anti-interference and system safety performance
Reduces maintenance frequency in long-term deployments

We support flexible customization based on your project requirements, including:

  • Voltage range: 3.2V – 72V
  • Capacity range: 100mAh – 100Ah
  • Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
  • Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
  • BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.