Building a battery pack from 18650 cells traditionally requires patience, a spot welder, and a supply of nickel strip. But ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...

Many readers will have at some time or another built their own lithium-ion battery packs, whether they are using tiny cells or the huge ones found in automotive packs. A popular choice it to salvage ...

The latest trends in lithium-ion cell sizes, formats, and chemistries. What are the performance characteristics of popular lithium-ion cells? Who are the major cell suppliers for each lithium-ion cell ...