These are great batteries. I had one set in Nikon F4s and used them for many trips and it is still going and going f0r four years alrady. Light weight (1/3 the weight and at least 5+ times the power than the Alkaline batteries. Best of the all, it will not dmage your camera while storing. A true "everyready"! HIghtly recommended. Energizer- AA2 Lithium Batteries (2-Pack), 8 Times Longer
I was able to take 125 digital images (both day and evening flash shots) with my Olympus D-490Z over a course of a 10 day vacation to Los Angeles and San Francisco. The Olympus takes 4 AA batteries. I thought I would need a 2nd set of batteries but the first set lasted the whole trip.Great for vacations when you don't want to lug around a charger and a spare set of batteries, however if you take a lot of pictures with your digital camera, it might be wise to invest in two sets of rechargable NiMH batteries and a portable charger.
These batteries are great. I don't have scientific numbers as to how much longer they last that regular alkaline batteries, but I can believe the claim of five times, even more. I have a digital camera, which is particularly suited to take advantage of the difference. These are definitely worth the money.
Like many users of Lithium Batteries, I've had trouble finding batteries that really last. I've had four of these in my Olympus D-490 Zoom for over 6 months. During this time, we toured Europe and gone on other vacations. These still show a full charge. I can't find them in stores, so will buy these for the day these wear out.
I have a bad habit of leaving my TI-83 calculator in my bag in my car when I'm not using it. In Michigan it gets quite cold around this time (Dec./Jan.), so batteries die quickly. These batteries have so far lasted much longer than others I have used. They are pricey, but they keep me from having to stock up on batteries as often.
These are great and last a long time. I mainly use these for my CD player which significantly improves the life, but for a little more money I would prefer rechargeable. If only they also made rechargeable Lithium AA. I also have an Olympus DM-1 voice recorder which uses AAA. I cannot find batteries for it that last more than a day or two. Pro: Great battery lifeCon: not rechargeableCon: no AAA
I primarily use these batteries in my Nikon SB-600 Speedlight Flash. I started using them about a year ago after much frustration with the lifespan of normal alkaline batteries. I am not a professional photographer but it is a pretty serious hobby (addiction my wife would say) of mine, and nothing drives me more crazy than my equipment becoming the limiting factor of what I want to do creatively. Replacing batteries in the flash on what seems like a weekly basis is annoying--running out of juice in my camera flash at the wrong moment is much worse and can even be devastating depending on the context.
Thankfully these excellent lithium batteries from Energizer are truly superior in performance over either normal alkaline or rechargeable batteries. I get 500-700 shots out of a set of these, which makes them economical compared with the seemingly less expensive alternatives.
It is possible to find these batteries in larger packs at big box stores, but they're actually the same price per battery overall. I prefer them shipped free to my door, even if they were slightly more expensive. However, it is worth noting that buying 4 of them is cheaper than just two: Energizer Ultimate L91BP-4 Lithium AA Battery 4 Pack. If you need more than two, I'd highly recommend getting a 4, or even 8 pack to save some coin.
These are great batteries for virtually any photography application weather in a point-and-shoot digital or in a flash unit like the SB-600. As other reviewers have mentioned, they are not superior when used in low drain applications like a computer mouse. Stick with normal alkaline or nimh batteries for those uses.
These are amazing! I put two in my camera a year ago and they're still showing a full charge. For those people complaining about the price, do the math. How much would you pay for 12 name-brand alkaline batteries - the rough equivalent of 2 lithium ones?'
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