Lithium Battery Welding: Spot Welding vs Ultrasonic — An Engineer’s Field Guide
Why the Weld Matters More Than Most Buyers Realize
As a senior lithium battery engineer, I have personally signed off on thousands of welded packs over the…
Lithium Battery for ESS Rack Systems: Modular Build
Why Modular Builds Win in ESS Rack Systems
When I started designing stationary storage back in 2014, most installations were monolithic boxes: one big encl…
Lithium Battery for Power Tools: High-Drain Design That Survives the Jobsite
As Karl Huang, Senior Lithium Battery Engineer at Horizon Power, I have spent the better part of twelve years on the factory floor and in the test lab watc…
Lithium Battery for Medical Devices: Reliability Requirements Every Engineer Must Meet
When I started designing lithium battery packs for portable patient monitors fifteen years ago, my mentor opened our first design review with a line I have…
Lithium Battery PCM vs BMS: An Engineer’s Field Guide to Protection Circuits
One question comes up in almost every lithium battery design review I run: “Do we need a full BMS, or is a protection circuit module enough?” I’m Karl Huan…
Lithium Battery Cell Grading and Sorting: How Proper Sorting Improves Pack Consistency
What Cell Grading Actually Means
When a customer asks why two seemingly identical lithium battery packs behave differently in the field, the answer usually…
Lithium Battery Formation Process: Why It Matters for Quality
As a senior lithium battery engineer, I have commissioned formation lines that processed everything from 2,000 mAh pouch cells to 100 Ah prismatic modules….
Lithium Battery for Forklift Lead-Acid Replacement: An Engineer’s Field Guide
Why Warehouses Are Retiring Lead-Acid
When I started as a lithium battery engineer fifteen years ago, almost every forklift on a warehouse floor ran on flo…
Lithium Battery for Golf Carts and Low-Speed EVs: An Engineer’s Field Guide
I am Karl Huang, Senior Lithium Battery Engineer at Horizon Power. Over the last decade I have specced, tested, and certified hundreds of packs for neighbo…
Lithium Battery for UPS and Backup Power Systems: Sizing, Safety and BMS Architecture
Introduction
As a senior lithium battery engineer at Horizon Power, I have spent the last decade moving data centers, telecom sites, and industrial facilit…