Energizer Ultimate Lithium batteries can be used to power multiple different devices, including security alarm systems, calculators, digital thermostats, gaming controllers and VR headsets.
Closeup image of the pink Energizer Bunny wearing black sunglasses that say Energizer on them.
The Energizer Bunny is holding a large Energizer Ultimate Lithium battery

Get long lasting batteries for your everyday devices with Energizer Max

Get economical reusable power for your frequently used devices with Energizer Rechargeable batteries

Energizer coin batteries give you big power for tiny devices

Product comparison chart. Products are listed in columns, features in rows.
Product images and names
Hearing Aid
Hearing Aid
Size
AA, AAA, C, D, 9V
AA, AAA, 9V
AA, AAA, C, D, 9V
2032, 2025, 2016, 2450, 2430, 1632, 1620, 1616, 1220, 1216, 1025
10, 13, 312, 675
Composition
Alkaline
Lithium
NiMH
Lithium
Zinc Air
Shelf Life/Battery Life
AA, AAA, C, D—up to 10 years; 9V—up to 5 years
AA, AAA—up to 20 years; 9V—up to 10 years
AA, AAA—up to 5 years; C, D, 9V—up to 3 years (total usable life under typical usage patterns)
Up to 8 years
Up to 4 years
Made with Recycled Batteries
AA, AAA—made with 15% recycled batteries; C, D, 9V—made with 7% recycled batteries
Best Uses
Everyday low to mid-drain electronics
High-tech and smart devices; suitable for use in extreme temperatures
Everyday devices that require consistent replacement
Reliable power for heart-rate monitors, glucose monitors, keyless entry, and more
For many types of hearing aid devices including ITC, ITE, BTE, CIC, and Cochlear Implants.
Product comparison chart. Products are listed in columns, features in rows.
Feature names
Size Composition Shelf Life/Battery Life Made with Recycled Batteries Best Uses
AA, AAA, C, D, 9V
Alkaline
AA, AAA, C, D—up to 10 years; 9V—up to 5 years
Everyday low to mid-drain electronics
AA, AAA, 9V
Lithium
AA, AAA—up to 20 years; 9V—up to 10 years
High-tech and smart devices; suitable for use in extreme temperatures
AA, AAA, C, D, 9V
NiMH
AA, AAA—up to 5 years; C, D, 9V—up to 3 years (total usable life under typical usage patterns)
AA, AAA—made with 15% recycled batteries; C, D, 9V—made with 7% recycled batteries
Everyday devices that require consistent replacement
2032, 2025, 2016, 2450, 2430, 1632, 1620, 1616, 1220, 1216, 1025
Lithium
Up to 8 years
Reliable power for heart-rate monitors, glucose monitors, keyless entry, and more
Hearing Aid
Hearing Aid
10, 13, 312, 675
Zinc Air
Up to 4 years
For many types of hearing aid devices including ITC, ITE, BTE, CIC, and Cochlear Implants.