3.2V 2500mAh LiFePO4 Battery

Product Number:
37DZ076-01
Nominal voltage:
3.2V
Nominal capacity:
2500mAh
Battery Configuration:
4952125-1S1P
Dimension:
5.5×54×132mm
Application:
entrance guard power supply
Low Self-discharge, Long Cycle Life, Multi-protection Design
Product Overview

This battery is designed for entrance guard backup power systems, providing reliable energy support for access control and security standby scenarios. Its compact LiFePO4 design ensures stable output, long cycle life, and quick response during power interruptions.

Electrical Specifications

Attribute Parameter
Product Number 37DZ076-01
Cell Model 4952125/3.2V/2500mAh
Battery Configuration 4952125-1S1P
Nominal Voltage 3.2V
Nominal Capacity 2500mAh
Rated Energy 8Wh
Charging Voltage 3.65V
Discharge Cut-off Voltage 2.0V
Standard Charging Current ≤2.5A
Standard Discharge Current 3A
Max Continuous Discharge Current 5–12A
Internal Resistance ≤110mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage Temperature -20~45℃
Dimensions 5.5×54×132mm(Max)
Weight 57.5g
Battery Case Lithium polymer battery with protective board connector
Protection System Short circuit protection, overcharge protection, over-discharge protection, overcurrent protection

Application Background

This battery solution is designed for entrance guard backup power systems, suitable for access control, emergency backup power, and security standby applications.
The system requires long-term standby operation and fast power switching during outages, placing high demands on battery stability, cycle life, and safety protection performance.

Project Challenges

The access control system requires long-term float charging standby
Stable power output is needed during sudden power failures
Limited installation space requires an ultra-thin battery structure
Low self-discharge and long cycle life are essential for backup applications

Customized Battery Solution

LiFePO4 chemistry: 3.2V platform design for improved safety and cycle stability
Ultra-thin polymer structure: only 5.5mm thickness for compact device integration
Multiple protection functions: overcharge, over-discharge, overcurrent, and short-circuit protection
Low self-discharge design for long-term standby and emergency backup operation

Application Results

Supports stable long-term standby operation of access control systems
Provides fast backup power switching during outages
Slim structure simplifies device integration and installation
Stable cycle performance helps reduce maintenance frequency

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.