Thermal Management in Lithium Battery Pack Design

Thermal Management in Lithium Battery Pack Design

|WangDaniel
Most lithium packs that die young don't die from the wrong cell—they die because the heat wasn't taken seriously early enough. This is a practical, field-tested look at thermal management...
How to Specify a BMS for a Custom Lithium Battery Pack

How to Specify a BMS for a Custom Lithium Battery Pack

|WangDaniel
The BMS is the component that most determines whether a lithium pack is safe, long-lived, and reliable. Specifying it means translating your pack configuration and application requirements into concrete parameters....
18650 vs. 21700 vs. Prismatic vs. Pouch: Cell Format Selection for Custom Packs

18650 vs. 21700 vs. Prismatic vs. Pouch: Cell Format Selection for Custom Packs

|WangDaniel
Cell format is the second foundational decision in a custom pack, chosen alongside chemistry. It determines packing efficiency, mechanical design, thermal strategy, cell count, and cost. This guide compares the...
LiFePO4 vs. NMC vs. LCO: Choosing the Right Lithium Chemistry for Your Application

LiFePO4 vs. NMC vs. LCO: Choosing the Right Lithium Chemistry for Your Application

|WangDaniel
Cathode chemistry is the first and most consequential decision in a custom battery pack—it sets the ceiling on energy density, safety, cycle life, and cost. This guide compares the three...
Shipping Lithium Batteries Internationally: Class 9 Dangerous Goods, the UN38.3 Test Summary & the Documents Your Freight Forwarder Needs

Shipping Lithium Batteries Internationally: Class 9 Dangerous Goods, the UN38.3 Test Summary & the Documents Your Freight Forwarder Needs

|WangDaniel
Lithium batteries ship as Class 9 dangerous goods — and one wrong UN number, missing document, or overcharged pack can get your shipment rejected at the dock. This guide breaks down UN3480...
Decoding Battery Pack Certifications: UN38.3, UL 2054/2271, IEC 62133, and CE/UKCA

Decoding Battery Pack Certifications: UN38.3, UL 2054/2271, IEC 62133, and CE/UKCA

|WangDaniel
A practical guide for OEM buyers to understand UN38.3, UL 2054/2271, IEC 62133, CE and UKCA for lithium battery packs—and how to verify whether a supplier’s certificates are real.
Thermal Management in Lithium Battery Pack Design

Thermal Management in Lithium Battery Pack Design

|WangDaniel
Most lithium packs that die young don't die from the wrong cell—they die because the heat wasn't taken seriously early enough. This is a practical, field-tested look at thermal management...