[ GLOSSARY DEFINITION ]
Battery
Li-Ion
The rechargeable lithium battery chemistry used in nearly all phones and laptops.
Also known as:
Lithium-Ion
Lithium Polymer
Li-Po
Battery type
Full Definition & Technical Explanation
Li-Ion (lithium-ion) batteries store the energy in most devices; Li-Po (lithium polymer) is a variant with flexible packaging. See Battery type: Li-Ion in specs.
They degrade over time and cycles — see battery health. Laptops list capacity in Wh (e.g., 90 Wh); phones in mAh.
Related Technical Terms
Battery Health
How much capacity a battery keeps over its lifetime; rated in charge cycles.
Battery
Battery Life
Measured endurance for web, video, and gaming; mAh alone does not tell the full story.
Battery
Fast Charging
High-wattage wired charging to reach 50% in ~30 minutes; higher watts = faster.
Battery