
Success Stories
Battery Solutions That Shipped and Performed
Explore how EPT engineers custom power systems across personal care, medical, industrial, and consumer applications — with real constraints and measurable results.
Custom Engineered
Tailored chemistry, BMS, and form factor for your device
High-Drain Ready
Up to 30C continuous discharge for demanding applications
Mass Manufacturing
Scalable lines that ship millions of cells per month
Globally Certified
CE, UL, UN38.3, IEC and AEC-Q200 compliance
What you'll find here
- Success stories — not blog posts: each page documents a client challenge, EPT solution, and measured outcome.
- Eight application categories: personal care, handheld devices, medical, wine openers, energy storage, digital electronics, USB charging, and high-temperature lighting.
- Typical deliverables: custom Li-polymer / Ni-MH packs, BMS integration, certification support, and mass production.
- Filter by category or search by keyword to find cases relevant to your product.
Success Stories

August 5, 2026
Ultra-Slim Li-Polymer Pack Doubles Runtime in a Global Smartwatch Line
A tier-one wearable OEM needed more capacity in the same 3.2mm cavity. EPT delivered a custom N-type cell architecture that doubled runtime and scaled to mass production in 14 weeks.

June 18, 2026
Medical-Grade Ni-MH Pack Extends Monitor Uptime to 72 Hours
A medical device maker needed longer uptime and predictable swap behavior for ward-based monitors. EPT delivered a smart Ni-MH pack with fuel gauging, audit logs, and IEC 60601-1 compliance.

May 2, 2026
25C Li-Polymer System Powers Warehouse AGVs Through 3 Shifts
A logistics operator struggled with AGV downtime from underspecified packs. EPT deployed a 22.2V 6S high-drain system with smart BMS and field-swappable modules.

March 12, 2026
Low-Self-Discharge Pack Keeps Smart Doorbells Alive Through Winter
A smart home brand faced winter failures and frequent battery swaps on outdoor doorbells. EPT delivered a cold-tolerant pack with low quiescent drain and a sealed connector system.

January 20, 2026
11.1V 3S Pack Adds 18 Minutes of Flight Time to Survey Drones
A commercial UAV operator needed longer loiter time for mapping missions without exceeding the 500g registration threshold. EPT optimized a 4000mAh 3S pack with 25C continuous discharge.

February 15, 2026
Compact Ni-MH Pack Powers a Premium Sonic Toothbrush Line
A personal-care brand needed reliable high-pulse output in a sealed handle with no swelling over hundreds of charge cycles.