ENERGIZER ULTIMATE LITHIUM AA B2B 10PK

Battery Ultimate Lithium Lithium AA L91
It works up to 7x times longer in digital cameras.
It is the best battery for operation in extreme temperatures from -40 °C to + 60 °C.
Incredibly long expiry date: 15 years.
Low weight: 33% lighter than AA / AAA alkaline batteries.
It has a very tight design thanks to NASA Space Engineers replacing all alkaline batteries on the Space Shuttle Discovery with Energizer lithium batteries.