Insights
Engineering deep-dives, industry analysis and the occasional opinion piece — written by our cell team for the engineers building the next device.
China's Medical Device Battery Landscape
How NMPA-driven localisation is reshaping the supplier base for wearable medical devices in China and globally.
Why Hearing Aids Use Pin Coin Cells (and What That Means for Your Wearable)
Hearing-aid cells are a quiet specialism inside coin manufacturing. The constraints that make them work translate directly to slim wearables
Coin Cell Charging IC Design: MCP73831, BQ24210 and the Trade-Offs
A practical guide to selecting and configuring a charging IC for a 40 to 200 mAh rechargeable coin cell — current limit, voltage threshold,
Supply Chain Notes: Cobalt, Nickel, LFP Outlook
Raw-material pricing, geographic concentration risks, and what procurement teams should lock in for 2026–2027.
CC/CV Charging: How the Protocol Works and Where It Goes Wrong
The physics behind constant-current and constant-voltage phases, termination current choices, fast-charge implications, and the four most co
Flexible Batteries for Wearables: What's Real in 2026 and What Isn't
Two categories of "flexible battery" exist: curved rigid-pouch cells (shipping today) and true flex-electrolyte cells (still mostly research
Reading a Cycle-Life Curve Honestly
Why
Coin Cell Mounting: Holder vs Solder Tab vs SMD Reflow
Three ways to attach a coin cell to a PCB. Each has different cost, reliability, and serviceability profiles. A mechanical engineer's decisi
Designing RTC Backup with a Reflow-Mounted ML Coin Cell
How a USD 0.40 ML2032 with welded tabs replaces the tray-loaded CR2032 + holder + assembly labour in industrial controllers — and the four d
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