PFC1251
3.2V 7.8Ah

Premium Standard Battery Pack

High Performance

Safe & Reliable

Built for Industries

PFC1251 3.2V 7.8Ah Premium LiFePO4 Battery Pack
The PFC1251 3.2V 7.8Ah LiFePO4 Battery Pack is a compact and high-performance rechargeable battery engineered for OEM integration, portable electronics, industrial systems, and custom energy storage applications. Designed with advanced LiFePO4 chemistry, it delivers reliable power output, enhanced safety, long cycle life, and stable performance for demanding applications.
✓ High energy density
✓ Up to 2A power capability
✓ Supports 2A fast charging
✓ 1500+ cycle life
✓ Advanced BMS technology
✓ Fully certified cylindrical cell options

Premium Quality

Engineered with advanced battery technology and strict quality standards for reliable, long-lasting performance

Battery Support

Expert engineering and technical support from concept and prototyping to manufacturing and integration

Custom Solutions

Capacity, connector, wire length, and labeling fully customizable. OEM branding and custom spec engineering available.

Global Battery Manufacturing

Worldwide battery manufacturing capabilities with facilities and support networks across the USA and Asia

Cell Spec – PHD F26700-40LA
ChemistryLiFePO4
Form Factor26700
Nominal Voltage3.2V
Capacity4.0Ah
Charging4A
Discharging12A
Cycle Life≥2000 cycles
Charging Temperature-10~50°C
Discharge Temperature-40~60°C
Pack Spec – PFCI25I 3.2V 7.8Ah
Configuration1S2P
Dimensions55×28×73mm
Voltage2.3~3.65V
Capacity≥7.8Ah
Charging2A
Discharging2A
CommunicationI2C
CableUL3302 22AWG
ConnectorMolex 50375053
Casesoft package, blue PVC
Mechanical Dimensions
Length55 mm
Width28 mm
Height73 mm
Wire Length76 mm
ConnectorMolex50375053
PFC1251 3.2V 7.8Ah Premium LiFePO4 Battery Pack Dimensions Drawing

Advanced BMS Architecture

The integrated Battery Management System is designed to maximize safety, longevity, and system integration ease.

PFC1251 3.2V 7.8Ah Premium LiFePO4 Battery Pack Schematic Drawing
TI BQ IC
Ultra low power PCBA
Fuel gauging capability
Temperature monitoring
I2C communication

Safety & Compliance

Our products are tested and certified for safe transport and end-use, meeting international standards for lithium-ion battery packs used in commercial and industrial applications.

UN38.3
Certified for safe international transportation of lithium batteries by air, sea, and land.
IEC62133
Internationally recognized safety standard for rechargeable lithium battery cells and packs.
UL1642
UL-certified lithium battery cell safety for reliable and secure operation.
UL2054
UL safety certification for complete battery packs and battery systems.
BIS (Cell)
Compliant with India’s BIS regulatory requirements for lithium battery cells.

Battery Pack Product FAQs

custom battery products

Explore frequently asked questions about PHD Energy’s battery pack products, including chemistry options, customization capabilities, safety features, certifications, and industrial application support.

Our battery pack products are available in multiple chemistries including Li-Ion, LiFePO4 (LFP), LTO, and Sodium-Ion, allowing solutions tailored for energy density, safety, cycle life, and application requirements.

Yes. PHD Energy designs custom battery pack products with configurable voltage, capacity, dimensions, BMS functionality, connectors, and enclosure options to meet OEM and industrial application requirements.

Our battery pack products support a wide range of applications including robotics, medical devices, drones, IoT systems, energy storage, portable electronics, industrial equipment, and mobility solutions.

Yes. Many of our battery pack products include advanced Battery Management Systems (BMS) with protections for overcharge, over-discharge, overcurrent, short circuit, and temperature monitoring for enhanced safety and reliability.

 

Submit your RFQ

What Happens Next

Submit your requirements and a PHD Energy engineer will contact you within 1 business day.

Share application, specs, volume, and timeline.

Our team evaluates your needs and prepares a tailored recommendation.

Get a detailed proposal including design options, pricing, and lead times.

We build, test, and refine until your solution is field-ready.