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Energizer BF-W3DL-O4K4 Ultimate L91BP-4 Lithium AA Battery, 24 Batteries in Original Retail Packs Not Bulk
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- Weigh 1/3 less than standard alkaline batteries
- Performs in extreme temperatures from -40°F to 140°F
- Features leak-proof construction
- Longest-lasting battery for high-tech devices
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Product description: total of 24 batteries in sealed Energizer package, as per photo, not bulk. Fresh Energizer AA lithium batteries, Energizer ultimate lithium batteries deliver long-lasting power to keep up with today's high-tech, power hungry devices like digital cameras, photo flash units and handheld GPS devices.
Top customer reviews
These lithium batteries have a very long shelf life of about 10 years. Because they are subjected to sunlight and are used often, we get about 2 years of life from them. They actually are the only ones that the manufacturer recommends, and we have no intention of switching to any other brand or type. They work for us.
For example, I have a couple of battery-powered carbon monoxide/smoke alarms in a stairwell and kitchen that does not have power nearby. So I use battery-powered detectors. With brand-new Duracell Alkaline batteries, I have to change the two AA that these alarms use every 2 to 3 weeks max. Without fail!
However, with these Lithium batteries, I can easily go 2 to 3 months between changes. So, the net cost is cheaper, and the convenience of not having these alarms start talking about battery replacement too soon (and for some reason, they always happen at night!!) is well worth it.
Highly recommended, and I have direct comparison proof of these versus good alkaline's for superior longevity.