Insights
Engineering deep-dives, industry analysis and the occasional opinion piece — written by our cell team for the engineers building the next device.
Picking a C-Rate: Why Your Cell Runs Hot at Spec
Capacity sizing tells you how big the cell is. C-rate sizing tells you whether it survives the load. The two are different calculations and
Why TWS Earbuds Plateaued — And What Comes Next
Battery form factor and acoustic volume are in direct conflict. Here's how the next generation of earbuds can break past it.
UN 38.3 & IEC 62133: What OEMs Need to Know
A plain-English walkthrough of the two safety standards every lithium cell has to pass before it can ship.
Choosing Between LiPo, Li-ion and LiFePO4 for Wearables
A decision framework for picking the right lithium chemistry for wearables: energy density, safety, cycle life and form factor.
Managing Skin-Contact Temperature on Wearables
Why 41 °C is an industrial-design problem, and what the BMS can do to stay under it without ruining runtime.
Choosing Connectors and Harnesses for a Custom Li-Po Pack
Pitch, current rating, polarity protection, wire gauge and strain relief — the interface between a custom cell and your board, and the five
How to Read a Li-Po Datasheet Without Getting Burned
Every number on a lithium polymer datasheet was measured under conditions the sheet may not print. Here is what each line actually promises,
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