1x2 Energizer Lithium Digital Micro AAA

It works to 7x times longer in digital cameras. This is the best battery for operation in extreme temperatures from -40 ° C to + 60 ° C. Incredibly long expiration date of 15 years. Lightweight: 33% lighter than alkaline battery, AA AAA. It has a very tight structure so that engineers Space Agency NASA replaced all alkaline batteries on board Spaceship Discovery Energizer lithium batteries.