USA Local RepresentativeLinkedIn
Connect With Us→

Primary Batteries

Lithium Batteries engineered for reliability, safety, and long life

Primary Batteries PHD Energy
White globe icon with latitude and longitude lines, representing the internet or global access

Global Manufacturing

Facilities in China, Malaysia, Vietnam, and the USA

Flag of the United States with 50 stars and 13 stripes

US-Based Support

Local representatives and engineering support across the country

Shield badge with a white checkmark, indicating verification or security.

Trusted Quality

Certified to global standards and built for performance

Global Manufacturer

& Custom Battery Solutions

PHD Energy is a global manufacturer of primary lithium batteries, offering Li-MnO2 and Li-SOCl2 battery solutions for industrial, medical, IoT, and consumer applications. With manufacturing facilities in China, Malaysia, Vietnam, and the United States, and local representatives across the U.S., we provide scalable, reliable, and customizable battery solutions worldwide.

3.0 V Li-MnO2 (CR) Coin Cell

Li-MnO2 Coin Cell

High energy density coin cells with stable voltage output, ideal for compact devices and longterm use. 

  • Voltage: 3.0V
  • High energy density
  • Long shelf life
  • Operating temp: -20° to +60°C

VIEW PRODUCT →

Li-MnO2 Pouch Cell

Li-MnO2 Pouch Cell

Ultra-thin and flexible pouch cells for space-contrained designs and custom integration.

  • Voltage: 3.0V
  • Thin and flexible design
  • Custom shapes available
  • Operating temp: -20° to +60°C

VIEW PRODUCT →

Li-MnO2 CR Cylindrical Cell

Li-MnO2 Cylindrical Cell

High energy density coin cells with stable voltage output, ideal for compact devices and longterm use. 

  • Voltage: 3.0V
  • High energy density
  • Long shelf life
  • Operating temp: -20° to +60°C

VIEW PRODUCT →

LI-SOCl2 3.6V ER Battery

Li-SOCl2 3.6V Battery

High energy density coin cells with stable voltage output, ideal for compact devices and longterm use. 

  • Voltage: 3.0V
  • High energy density
  • Long shelf life
  • Operating temp: -20° to +60°C

VIEW PRODUCT →

Concept & Cell Selection

Application analysis, cell chemistry selection, and form factor recommendation.

1

Engineering Collaboration

Pack design, BMS specification, thermal modeling, and mechanical integration.

2

Rapid Prototyping

Fast-turn prototype builds, electrical validation, and certification testing.

3

Mass Production

Scalable global manufacturing with supply chain management and quality control.

4

Industries &

Applications

PHD Energy powers the future with advanced lithium battery technologies across industries. From medical and drone applications to utility, traffic safety, and portable devices, our custom solutions deliver reliable performance, efficiency, and lasting energy wherever it’s needed.

Drone Battery Application

Drones & Robotics

Powering precision and performance with premium custom Li-ion and LiFePO₄ battery solutions engineered for flight endurance and robotic efficiency.

Portable & Handheld Devices Battery Application

Portable & Handheld Devices

Compact, high-density custom lithium batteries engineered for lightweight performance and extended runtime in portable and handheld applications.

Medical Devices Battery Application

Medical Devices

Reliable, safe, and long-lasting custom lithium battery packs designed to meet the strict standards of modern medical technology.

Outdoor and Traffic Safety Battery Application

Outdoor & Traffic Safety

Durable, weather-resistant LiFePO₄ and Li-ion batteries built to deliver consistent power in demanding outdoor and safety environments.

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.