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Energizer Ultimate Lithium AA batteries are disposable lithium cells (model L91) built for devices that drain alkaline batteries fast or sit unused for long stretches. They hold power for up to 25 years in storage and are rated to work from -40°F to 140°F, which makes them a fit for outdoor cameras, smart home sensors, digital cameras and handheld games. Against standard alkaline AAs they weigh less and last longer in high-drain gear, but they are not rechargeable and cost more per cell. Owners rate them highly for longevity in trail cameras and remotes; the main complaints are the higher outlay and that they are overkill for low-drain items like clocks.
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Lowest price we've seen: $9.85 on Nov 12 at Amazon. Tracked across 12 stores since Nov 12.
Owners consistently praise these for outlasting alkaline batteries in cameras, sensors and remotes, and for surviving cold weather. The recurring complaint is the higher cost per cell and the sense that they are wasted in low-drain devices.
This is a 24-pack of Energizer Ultimate Lithium AA batteries, model L91. They are made for devices that need dependable power, such as smart home devices, outdoor surveillance systems, digital cameras and handheld games.
The batteries have a leak-proof construction that protects devices under standard use. They hold power for up to 25 years in storage, so they are ready as backup power. They work in extreme temperatures from -40°F to 140°F, for indoor and outdoor use year round.
