Insights
Engineering deep-dives, industry analysis and the occasional opinion piece — written by our cell team for the engineers building the next device.
Coin Cell Self-Discharge: Doing the 5-Year Shelf Life Math
How rechargeable coin cells lose charge sitting on a warehouse shelf, what determines the rate, and how to plan inventory rotation that keep
Four Mechanisms of Capacity Fade in Lithium-Polymer Cells
SEI growth, lithium plating, cathode cracking and electrolyte depletion — what each does to a cycle curve and what BMS settings slow it down
Sizing a Cell From a Power Profile
How to turn a current-vs-time trace into a real-world capacity specification — with a worked IoT example.
Co-designing a Custom Lithium Cell: Six Stages from Concept to Production
Why custom battery projects fail when the supplier is engaged too late, and the six-stage workflow that gets a non-standard cell from 3D mod
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,
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
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