Guides
Batteries and Charging Explained: Chemistries, Limits and Fixes
Compare alkaline, NiMH, lithium-ion and lead-acid batteries, learn how charging limits and heat age a cell, and troubleshoot slow, failed or swollen batteries.
Topic
lithium-ion
Maintenance
Battery safety from Arizona heat to Minnesota cold, a US climate overview
Battery safety US climates: how heat and cold affect lithium-ion cells, what DOE guidance says, and storage and charging habits for every zone.