
Compact Ni-MH Battery Pack Powers High-End Sonic Toothbrushes
A personal care brand needed reliable high-pulse output in a sealed handle, with no swelling across hundreds of charge-discharge cycles.
Case Overview
Project Snapshot
- Category: Personal Care
- Challenge: A personal care brand needed reliable high-pulse output in a sealed handle, with no swelling across hundreds of charge-discharge cycles.
- Solution: EPT custom cell and Battery Pack design with full-process validation
- Results: Validated in field trials and approved for mass production
Key Outcomes
- Status
- In Mass Production
- Lead Time
- 12 weeks
Industry Challenge
A personal care brand needed reliable high-pulse output in a sealed handle, with no swelling across hundreds of charge-discharge cycles.
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.
Planning a similar project?
Share your constraints and target specifications — our engineers will reply within one business day.



