Secondary Batteries
Lithium Batteries engineered for reliability, safety, and long life
Global Manufacturing
Facilities in China, Malaysia, Vietnam, and the USA
US-Based Support
Local representatives and engineering support across the country
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-PO and LiFePO4 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.
Pin-Type Rechargeable Li-ion Batteries
Compact rechargeable pin-type Li-ion batteries for compact electronic devices.
-
Voltage: 3.7V–3.85V
-
Fast charging up to 3C
-
Ultra-low self-discharge
-
Operating temp: -20°C to +60°C
Li-Po Battery
Lightweight Li-Po pouch batteries with flexible form factors for compact portable electronic devices.
-
Voltage: 3.0V
-
Thin and flexible design
-
Custom shapes available
-
Operating temp: -20° to +60°C
Ultrathin Li-Po Batteries
Ultra-thin Li-Po batteries designed for slim electronic devices requiring lightweight construction.
-
Voltage: 3.7V–3.85V
-
Lightweight & compact
-
Flexible custom sizes
-
Operating temp: -20°C to +60°C
Cylindrical LiFePO4 Cells
Cylindrical LiFePO₄ cells engineered for long cycle life, enhanced safety, and reliable high-performance power.
-
Voltage: 3.2V
-
Long cycle life
-
Excellent thermal stability
-
Operating temp: -20°C to +60°C
Premium Battery Chemistry
PHD Energy picks the best suitable chemistry for your devices for quality, longevity and safety.
Li-ion (NMC)
High energy density for compact, lightweight designs. Ideal for frequent-cycle applications with space constraints.
- Higher voltage and energy density
- Wide-temperature cell options available
- Superior volumetric efficiency
- Optimized for moderate climates
- Cost-effective at scale
LiFePO4 (LFP)
Exceptional thermal stability and cycle life. Purpose-built for harsh outdoor conditions and long service intervals.
- 2,000+ cycle life capability
- Inherently stable chemistry
- Preferred for DOT and municipal use
Lithium Titanium Oxide (LTO)
Exceptional cycle life and ultra-fast charge capability. Ideal for extreme cold environments and high-frequency charge/discharge applications.
- 10,000+ cycle life capability
- Excellent low-temperature performance (-40°C)
- Ultra-fast charge and discharge rates
Sodium-Ion (Na-ion)
Emerging chemistry offering cost-effective, cobalt-free energy storage. Well-suited for large-format, cost-sensitive outdoor deployments.
- No lithium or cobalt dependency
- Wide operating temperature range
- Strong potential for cost reduction at scale
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.
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.