Are Energizer batteries good?
Duracell and Energizer are top battery brands known for long-lasting performance.
Do batteries expire?
To find the Best If Used By (BIUB) date of the batteries, look on the uppermost section near the battery type. You will see a white box with the Best If Used By year printed within it.
What’s the most powerful AAA battery?
Energizer L92BP-4 Ultimate Lithium AAA Batteries
The letters on a battery give the size, in height and width. AA means “50.5mm x 14.5mm.” The later the letter the larger the battery. "A" is larger than "AA" is larger than "AAA".