Battery Learning Center
-
18650 and 21700 Battery Safety: The Complete Checklist for Buying, Charging, Storing and Building
A step-by-step safety checklist for 18650 and 21700 lithium-ion cells: spotting fakes, inspecting wraps, charging, discharge limits, pack building, storage, warning signs and recycling.
-
How to Build an 18650 Battery Pack: Parts, Tools and Safety
A step-by-step guide to designing and building an 18650 lithium-ion pack: series/parallel math, cell choice, BMS, nickel strip, spot welding and the safety rules you...