Lithium Battery Reliability for Solar Kits: Moisture
I have spent nine years designing and troubleshooting lithium battery packs for off-grid solar kits, and if you asked me to rank the failure modes I have s…
Lithium Battery Performance for Power Tools: Platform
Why “performance” is a system property, not a cell spec
I have spent more than a decade in our Shenzhen pack line, and the most common misconce…
Lithium Battery Testing for Power Tools: Drop and Ingress
I have run a 21700 cordless-tool pack through the same gauntlet for seven years now, and every facility I visit still finds the same surprise: the cell che…
Lithium Battery Design for Mobility Devices: IP-Rated
Why mobility-device battery design is its own engineering disciplineI have spent the last decade designing lithium battery packs for power-assist wheelchai…
Lithium Battery Cost Optimization for UPS Systems: Parallel
Why UPS Lithium Cost Engineering Has to Combine Redundancy, Heat, and Warranty
Most of the lithium battery cost optimization for UPS systems conversations…
Lithium Battery Reliability for Solar Kits (2)
I have been qualifying lithium battery packs for off-grid and portable solar kits for the better part of a decade, and the failures I see in the field alm…
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….
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…
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…
Lithium Battery Cost Optimization for UPS Systems: Runtime
Why Lithium Battery Cost Optimization for UPS Systems Matters Now
After twelve years of designing backup power systems — first with valve-regulated lead-ac…