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Compact Ni-MH Pack Powers a Premium Sonic Toothbrush Line
Personal Care

Compact Ni-MH Pack Powers a Premium Sonic Toothbrush Line

Published February 15, 2026Personal care OEM

A personal-care brand needed reliable high-pulse output in a sealed handle with no swelling over hundreds of charge cycles.

At a Glance

Project snapshot

  • Category: Personal Care
  • Challenge: A personal-care brand needed reliable high-pulse output in a sealed handle with no swelling over hundreds of charge cycles.
  • Solution: Custom EPT cell and pack design with full validation
  • Outcome: Validated in field trials and approved for mass production

Key outcomes

Status
In production
Lead time
12 weeks

The Challenge

A personal-care brand needed reliable high-pulse output in a sealed handle with no swelling over hundreds of charge cycles.

Our Approach

EPT matched chemistry, PCM, and mechanical design to the device duty cycle, then ran safety and lifecycle testing through our CNAS-accredited lab.

Results

The client signed off after DVT and transferred volume production to EPT manufacturing lines.

personal careNi-MHtoothbrushIPX7

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