The only choice in wireless transmitters and other content-critical devices is Energizer® Ultimate Lithium 1.5V L91 AA Battery...powering most wireless products all day long.
Sold individually; packed in (buy more/save more) bulk boxes of 20 or 50 for easy/quick battery swaps. Price breaks at 20 & 50 counts.
Perform in extreme temperatures from -40º F to 140º F
Hold power for 20 years when not in use.
Leak resistant construction.
Weigh 1/3 less than standard alkaline batteries.
Last up to 9x longer in digital cameras (versus Energizer MAX. results vary by camera.), which means 9x less waste