Insights
Engineering deep-dives, industry analysis and the occasional opinion piece — written by our cell team for the engineers building the next device.
PSE, KC and BIS: The Certifications IEC 62133 Does Not Cover
IEC 62133-2 gets you a test report. Japan, Korea and India each want something more before your product clears customs — and each has a lead
The EU Battery Passport: Timeline & Data Requirements
What the new EU Battery Regulation asks for, which product categories are in scope, and what OEMs need from their cell suppliers.
Series vs Parallel Cell Configurations: A Pack Designer's Guide
xSyP notation, when to add cells in series versus parallel, balancing requirements, tab-welding topology and when to upgrade from a PCM to a
HV LCO at 4.48 V: Density Gains for Wearables
An update on high-voltage lithium-cobalt-oxide cathode platforms and what they actually buy at the pack level.
Battery Design for Smart Rings: Geometry, Chemistry and Power Budget
The geometry constraints of a ring form factor, what capacity is realistically achievable, why high-voltage LCO wins, and how to design a wi
Coin Cell Safety: Short-Circuit, Crush and Vent Behaviour Under Abuse
How rechargeable coin cells fail when abused — and why the hermetic stainless-steel shell makes that failure substantially safer than a pouc
Lithium Air Freight in 2025: New Rules, Higher Costs
IATA's recent updates to lithium-battery air-cargo rules and their real impact on sample shipping and volume logistics for OEMs outside Chin
Coin Cells in the Cold: How LIR and ML Behave from -40 °C to +85 °C
Hard data and design rules for using rechargeable coin cells in outdoor IoT, automotive, cold-chain and aerospace devices.
BMS Topology Selection: A Decision Framework for OEMs
From bare-cell PCM to full CAN-bus BMS — the spectrum of battery management topologies, the decision factors at each step, and a comparison
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