| | |  | Health & Personal Care | Home » » Energizer Ultimate L91BP-4 Lithium AA Battery 4 Pack | | | | | | | Description: | | 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. | | | Features: | |
• Last up to 8x longer in digital cameras (versus Energizer MAX. results vary by camera.)
• Weigh 1/3 less than standard alkaline batteries
• Perform in extreme temperatures from -40degree F to 140degree F
• 16 year storage life
• This item is not for sale in Catalina Island
| | | Product Details: | | | Product Length:
| 0.6 inches | | Product Width:
| 3.8 inches | | Product Height:
| 4.5 inches | | Product Weight:
| 0.15 pounds | | Package Length:
| 2.8 inches | | Package Width:
| 2.5 inches | | Package Height:
| 0.5 inches | | Package Weight:
| 0.15 pounds | | Average Customer Rating:
|  based on 53 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
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Last A Long TimeFeb 21, 2010
These are not cheap. Especially when compared with the lifetime cost of rechargeable batteries. But these last much much longer. Good when the temperature is low too.
2 of 7 found the following review helpful:
 "Lasts 8x longer!"? Longer then what? Their other batteries!...Nov 30, 2009
...which means that Energizer is effectively admitting to the crap quality of their other batteries. So what is Energizer MAX, then? A bold-faced lie told in order to sell more batteries completely ignoring the fact that the subtitle "MAX" implies longer lifespan, even though they are exactly the same as their regular, more boring-looking batteries, and nothing more. I call this one full of green eggs and scam.
I bring this up because, despite the promise that these will last "UP TO 8x longer", they died out not too long after purchase. I put two of these into my old CD Walkman (surprised those still exist?) and was amazed how after only around 8 hours of use they were already creeping up to death's porch. These batteries cost ten dollars and yet they have the same quality as those generic ones with words like "industrial" and "super-duty" used in contexts to make you think advanced, multi-million dollar machines used to build cars on their own are powered by a couple AA's.
I would completely ignore the deceptive marketing if the product in question worked as long as deceptively promised, but it didn't. I mean, this is a damn cd player! The most basic of technologies, one that could practically be used as a standard measurement of usage, and it dies in less time then it takes to get a full night's rest?
And since this was a four-pack of batteries, you must be wondering where the other two went, and it's not up a part of me. I used them to power a wireless xbox 360 controller, and found that they lasted around 10 hours before the controller began randomly dying out in the middle of killing bandits in a game called Borderlands.
Sure, maybe their is some device out their that these batteries last an almost absurd length of time, but then that would simply mean that the device in question is magically efficient, and that these batteries are nothing more then a shiny, futuristic-looking rod of electron-flowing s***.
Editor's Edit:
I see some of you don't agree with my review, and I can't see why. It comes off as from some kind of smartass elitist, but what more do you want? I used the batteries and they didn't last as long as promised*. Energizer battery packs even have a little picture of a CD player on the back of them, somethign which one could easily assume is there to show what devices the batteries work well with, in theory.
*not a real promise.
Awesome for a camera flash unitNov 22, 2009
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.
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.
It started with a cameraNov 13, 2009
It all began with a camera. No matter what we tried it seemed to devour batteries. Alkalines, coppertops, bunnies with drums, rechargeables, NiCads, nickle hydrides, nothing was safe.
In desperation, we tried the the high priced (about double that of a typical alkaline) Energizer E2's. They are worth every penny. Nothing less will ever again tough our electronics, digital cameras, remote controls, wireless mice, and even flashlights.
These batteries seem to last forever, particularly with digital cameras. The basic difference between the E2 lithium battery and alkalines, nicads, etc. is that the power is supplied at a steady voltage until the battery is almost completely drained. Then it drops rapidly instead of slowly dropping from the first use. Therefore, your camera has full power until it's time to replace the battery.
Sure, I'm paying twice as much for the battery but it lasts way over twice as long!
Excellent Life in CamerasSep 22, 2009
#1 for a reason, you will not regret.
Although, I have switched to eneloop rechargeables and will never go back. They are ridiculous price/performance.
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