Lithium Battery Performance for Power Tools (2)
After fourteen years of building high-drain packs for cordless tool platforms, I have learned that “performance” is the most abused word in this industry….
Battery Solution Cost Optimization for Vehicles: Depot
When a fleet manager asks me to optimize the battery solution cost for a vehicle program, the first thing I write down is not a unit price per kilowatt-hou…
Sodium-Ion Battery Design for Street Lights: Cell Format
Most off-grid street-lighting tenders I worked on ten years ago were answered with lead-acid. The packs lasted three winters, the cabinets rusted, and the…
Lithium Battery Testing for Power Tools: Cell Binning and
I spent most of last year visiting three contract manufacturers that assemble 18 V and 36 V slide-pack lithium battery packs for cordless drills, impact dr…
Home Energy Storage Reliability for Cabins: Off-Grid Uptime
After eleven winters of specifying battery systems for remote properties — from one-room hunting shelters in the Rockies to two-bedroom off-grid cabins in…
Semi-Solid State Battery Reliability for Aerospace (3)
In fifteen years of designing lithium batteries for demanding platforms, I have learned that nothing exposes a cell chemistry faster than space. A ground…
Sodium-Ion Battery Cost Optimization for Forklifts (2)
In eleven years of specifying motive power for warehouse fleets, I have watched purchasing departments obsess over one number: the sticker price of the ba…
Lithium Battery Design for Mobility Devices: Wheelchair and
I have spent the last nine years specifying lithium battery packs for powered wheelchairs, Class II mobility scooters, and last-mile delivery trikes, and t…
Home Energy Storage Performance for Apartments (3)
Why Apartment-Scale Energy Storage Performance Is a Different Engineering Problem
Apartment energy storage does not behave like a single-family home batter…
Semi-Solid State Battery Performance for EV Packs: Swelling
In eight years of designing and validating traction batteries, I have watched the industry chase energy density with an almost religious intensity. But wh…