6252125 3.2V 3200mAh LiFePO4 Battery

Product Number:
37DZ076-02
Nominal voltage:
3.2V
Nominal capacity:
3200mAh
Battery Configuration:
6252125-1S1P
Dimension:
6.5 × 54 × 132 mm
Application:
Backup battery
Polymer flexible packaging, Wide temperature range, High pulse discharge capability
Product Overview
This is a polymer LiFePO4 access control backup battery designed for door access systems, smart security devices, and emergency power applications. With stable output, high pulse discharge capability, and compact flexible structure, it ensures reliable 24/7 standby operation and stable power switching in critical scenarios.

Electrical Specifications

Attribute Parameter
Product Number 37DZ076-02
Cell Model 6252125/3.2V/3200mAh
Battery Configuration 6252125-1S1P
Nominal Voltage 3.2V
Nominal Capacity 3200mAh
Rated Energy 10.24Wh
Charging Voltage 3.65V
Discharge Cut-off Voltage 2.0V
Standard Charging Current ≤2.5A
Standard Discharge Current 3A
Internal Resistance ≤110mΩ

Mechanical & Environmental

Attribute Parameter
Charging Temperature 0~45℃
Discharge Temperature -20~60℃
Storage Temperature -20~45℃
Dimensions 6.5 × 54 × 132 mm
Weight 78g
Output Type Wire terminal output
Battery Case Polymer cell with terminal wire

Application Background

This battery solution is designed for access control backup power systems, widely used in building access control, smart security, and emergency power supply scenarios.
Access control systems require 24/7 standby operation and rapid power switching during outages, demanding high stability, strong pulse discharge capability, and compact structural adaptability.

Project Challenges

Access control systems require continuous 7×24-hour standby operation
Instant 3–12A pulse discharge is required for emergency power switching
Limited installation space requires a slim and compact design
Long-term cycling requires high durability and stability

Customized Battery Solution

Polymer pouch structure: flexible design with terminal wire output for compact installation
High-rate discharge capability: supports high pulse current for reliable power switching
Wide temperature performance: stable operation from -20℃ to 60℃
Multi-protection system: overcharge, overdischarge, overcurrent, and short-circuit protection

Application Results

Ensures stable backup power for access control systems
Improves outage switching reliability by approximately 20%+
Slim structure enhances integration flexibility
Stable cycle performance extends backup battery service life

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.