Alkaline AAA batteries Lithium AAA batteries
Microphones Digital cameras
Carbon monoxide detectors Medical gadgets
Low-drain headlamps and other lighting devices Radio communication devices
Toys Surveillance systems
Clocks and remote controls High-drain toys
AAA Alkaline battery AAA Lithium battery
Capacity 850-1,200 mAh 1,200 mAh
Shelf life 5-10 years 10-15 years, with brands like Energizer Ultimate Lithium battery lasting 20 years
Internal resistance High Low
Weight 33% > Lithium 33% < Alkaline
Performance at 0°C Average Superior
Best uses
  • Indoor use
  • Light loads
  • Outdoor use
  • Moderate to heavy loads