Secondary Battery
Cylindrical LiFePO4 Cells
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, size, 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
Traditional lead-acid batteries have long been the default choice for industrial applications, but their limitations are undeniable. In an era where efficiency and sustainability are paramount, PHD Energy continues to lead the charge with cutting-edge battery technologies.
Combining advanced lithium technology with a sophisticated Battery Management System (BMS), the PHD Energy LiFePO4 lead-acid lithium replacement batteries offer longer lifespan, reduced weight, and faster charging compared to traditional lead-acid batteries.
Global Manufacturer
& Custom Battery Solutions
Cylindrical LiFePO₄ cells deliver reliable, high-performance energy in a compact and durable format. Known for their long cycle life, safety, and consistent power output, they serve as the building blocks for scalable battery modules and systems across a wide range of applications.
F26700-40LT
- Chemistry: LiFePO₄
- Nominal Capacity: 4.0Ah
- Nominal Voltage: 3.2V
- Energy: 12.8Wh
F26650-25B
- Chemistry: LiFePO₄
- Nominal Capacity: 2.5Ah
- Nominal Voltage: 3.2V
- Energy: 8Wh
F26650-25D
- Chemistry: LiFePO₄
- Nominal Capacity: 2.5Ah
- Nominal Voltage: 3.2V
- Energy: 8Wh
| Series/Type | Model | Nominal Capacity (mAh) | Max Charge Rate | Charging Temp | Max Discharge Rate | Discharge Temp |
|---|---|---|---|---|---|---|
| Energy | F18650-18E | 1800 | 1C | 0~55℃ | 3C | -20~60℃ |
| F18650-20E | 2000 | 1C | 0~55℃ | 3C | -20~60℃ | |
| F18650-22E | 2200 | 1C | 0~55℃ | 3C | -20~60℃ | |
| F21700-30E | 3000 | 1C | 0~55℃ | 3C | -20~60℃ | |
| F26650-36E | 3600 | 3C | 0~55℃ | 3C | -20~60℃ | |
| F26650-40E | 4000 | 1C | 0~55℃ | 3C | -20~60℃ | |
| F26650-45E | 4500 | 0.5C | 0~55℃ | 3C | -20~60℃ | |
| F26700-50E | 5000 | 1C | 0~55℃ | 3C | -20~60℃ | |
| Power | F18650-11P | 1100 | 5C | 0~55℃ | 30C | -20~60℃ |
| F26650-25D | 2500 | 5C | -20~60℃ | 50C | -40~60℃ | |
| F26650-30P | 3000 | 3C | 0~55℃ | 10C | -20~60℃ | |
| Temperature | F18650-16HT | 1600 | 1C | 0~60℃ | 3C | -20~70℃ |
| F26650-25D | 2500 | 5C | -20~60℃ | 50C | -40~60℃ | |
| F26700-40LT | 4000 | 3C | 0~60℃ | 3C | -20~60℃ |
Applications
Cylindrical LiFePO₄ cells are among the most versatile battery formats, widely used across both consumer and industrial applications due to their durability, safety, and high power output. They are ideal for electric mobility (e-bikes, scooters, robotics), energy storage systems (solar and UPS backup), power tools and industrial equipment, marine and RV applications, portable electronics, and critical devices such as medical equipment—delivering reliable performance even in demanding and harsh environments.
Electric Mobility
Energy storage systems
Power tools & industrial equipment
Marine & RV applications
Consumer & Portable Alectronics
Medical devices
Built for Real World Power
From Cell to Cell to Complete System
1
CELL
High-Performance LiFePO4 Cell
2
MODULE
Cells connected in series and/or parallel for the desired voltage and capacity
3
BATTERY PACK
Integrated with BMS, wiring, protection and enclosure
4
COMPLETE SYSTEM
Reliable power for a wide range of applications
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.