Rugged Phone Batteries
Custom Battery Solution for Rugged Phones
Published on February 15, 2026Rugged Phone OEM
A rugged phone brand needed stable battery performance and safety under extreme conditions such as high heat, deep cold and high humidity.
Case Overview
Project Snapshot
- Category: Rugged Phone Batteries
- Challenge: A rugged phone brand needed stable battery performance and safety under extreme conditions such as high heat, deep cold and high humidity.
- Solution: EPT custom cell and Battery Pack design with full-process validation
- Results: Validated in field trials and approved for mass production
Key Outcomes
- Cycle Life
- 800+
- Operating Temperature
- -20°C ~ 60°C
Industry Challenge
A rugged phone brand needed stable battery performance and safety under extreme conditions such as high heat, deep cold and high humidity.
The EPT Solution
EPT Battery matched the optimal chemistry, PCM and mechanical design to the device's duty cycle, then completed safety and lifespan testing in a CNAS-accredited laboratory.
Results
The client signed off after DVT and transferred mass production to EPT Battery production lines.
Rugged PhoneHigh ReliabilityExtreme Environments
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