- How do these compare with Energizer Max alkaline AAs?
- Ultimate Lithium lasts longer in high-drain devices, weighs less and handles extreme temperatures. Max alkalines are the better fit for low-drain items where runtime matters less.
- Are they good for smoke detectors?
- Yes. The long shelf life and leak-resistant build suit detectors that sit for years, and the wide temperature range covers cold garages and attics.
- Can they be recharged?
- No. They are disposable lithium cells and must not be put in a charger.
- Can I mix them with alkaline batteries in one device?
- No. Use batteries of the same type and age together, since mixing chemistries can cause leaks or poor performance.
- Do they work in cold weather?
- Yes. Energizer rates them for -40°F to 140°F, so they hold up in trail cams and outdoor sensors where alkalines fade.
- What devices are they not suited to?
- Low-drain items like wall clocks, remotes and basic flashlights run fine on cheaper alkalines, so the extra runtime goes unused.
- Where is the Energizer Ultimate Lithium AA Batteries (8 Pack), Double A Batteries cheapest?
- At Amazon, for $14.49, 44% under what the other stores charge, as of our latest check.
- What do buyers say about the Energizer Ultimate Lithium AA Batteries (8 Pack), Double A Batteries?
- Rated 4.7 out of 5 from 3,108 ratings.
- Where can I buy the Energizer Ultimate Lithium AA Batteries (8 Pack), Double A Batteries?
- 17 stores we checked sell it, including West Marine, Adorama, Michaels, Tractor Supply Co, Herbspro.