PFC4146
12.8V 4Ah

Premium Standard Battery Pack

High Performance

Safe & Reliable

Built for Industries

PFC4146 12.8V 4Ah Premium LiFePO4 Battery Pack
The PFC4146 12.8V 4Ah Premium LiFePO4 Battery Pack is a compact intelligent power solution engineered for portable electronics, embedded systems, industrial controls, and smart OEM applications requiring stable 12.8V output. Designed with premium LiFePO4 cylindrical cells and an advanced TI BQ-based BMS, it delivers reliable power performance, wide DC input support, fast charging capability, fuel gauging, and enhanced communication features in a lightweight compact design.
✓ High energy density, fully certified cylindrical cell options
✓ Wide DC Input Voltage
✓ Support 1C fast charging
✓ 1500+ cycle life
✓ Advanced BMS technology

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
Charging4.0A
Discharging12.0A
Cycle Life2000
Pack Spec – PFC4146 12.8V 4Ah
Configuration4S1P
Dimensions115.5*76.5*38.5mm
DC Input Voltage5 – 20V
Charging4.0A
Discharging7.2A
CommunicationSMBus
CableUL3132 16AWG
ConnectorMolex 1716920206
CasePVC
Mechanical Dimensions
Length115.5 mm
Width76.5 mm
Height38.5 mm
Wire Length120 mm
ConnectorMolex 1716920206
PFC4146 Dimensions

Advanced BMS Architecture

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

PFC4146 Schematic
TI BQ IC with dual level protection
Ultra low power PCBA
Fuel gauging capability
Temperature monitoring
I2C/SMBus 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.

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.