Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 4 Pack
by SANYO
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Digital Cameras Photo Reviews of Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 4 Pack
Customer Review: Excellent product
Summary: 5 Stars
Over the years I've gone from ni-cads to energizer style rechargeables and finally, eneloop.
I got very frustrated not being able to have a stock of pre-charged batteries due to self discharge. After all, how are rechargeables useful if you have to recharge for 4-5 hours at the time when you need them? After a week, they are half gone already just from sitting in the drawer.
I took a chance on Eneloop about 2 years ago and never looked back.
I now have about 150 of these in circulation in my home. They are used for literally everything. I even use them in my outdoor wireless weather station located on top of my barn roof. Even those I only have to change them 3 times a year and they are in extreme weather... from 110F summer to -20F in the winter.
My only real complaint is the lack of D and 9v cells, they are not available. However, reading recommendations on Amazon led me to the accuEvolution brand of LSD batteries. I use their 9v and D cells and they are VERY good, I would rate them almost as good as Eneloop.
After 2 years of use and literally over 150 cells, I have not had a single bad Eneloop cell, none have died off or even shown signs of weakening.
Customer Review: Longevity makes up for capacity.
Summary: 5 Stars
I use AA batteries in off-camera hot-shoe flashes when I shoot weddings/receptions. I first tried some standard 2500mAh NiMH because they had more capacity. Even if I charged them just a few days before a wedding shoot they seemed to loose any extra charge capacity they had by the day of the wedding. I had many spare packs but it seemed like I was changing out batteries excessively. I was a little skeptical of the Eneloops because they have a capacity of only 2000mAh which is certainly not terrible but less power than my 2500mAh batteries (at least in theory and according to their label). After shooting a reception with Eneloop batteries I am sold. I only had to change batteries once and that was with flash power set to full or ½. It seems to me that although the Eneloops have less initial capacity than some other NiMH batteries the lower self-discharge more than makes up the difference or at least relative to the batteries I was previously using. If you are using multiple sets of batteries I suggest you take a marker and label each set (I.e. set 1, set 2, etc.) and charge/discharge them together. This way each cell in a set will have the same lifespan/number of charges.Customer Review: Camera savers...
Summary: 5 Stars
I got a digital camera a few months ago and was on the verge of condemning it as useless because the batteries would die after as few as 5 pictures. It was rare to get 10 out of them! I had read that a good set of batteries would help, but I thought even twice the life would not do much good. I decided to try a set of these, mostly out of due diligence before putting the camera on some back shelf and trying to forget about how much money I wasted on it.
Well, all that has changed with these. Now the camera lasts at least 100 shots, if not 200-300. I never thought I would see this kind of improvement! Now the camera seems like a great purchase and I don't think I wasted a penny. If you have some electric gadget that eats batteries like there is no tomorrow, give these a try. Don't worry that the mAH rating isn't very high. The power of these batteries is that they keep a high voltage for most of the batter life, instead of dropping down linearly, as most do. So while others might go longer, the operating voltage might drop below what your device needs much quicker than the eneloops would.
I am very happy with these, and will buy more.
Customer Review: One small step for battery manufacturers, one giant leap for casual picture takers
Summary: 5 Stars
Casual picture takers take a few pictures at a time and have had trouble dealing with the quick self discharge rate of traditional NiMh batteries. You had batteries fully charged, took some pictures, put away the camera for a week or two and wanted to take pictures again, only to find the batteries were almost dead and the backup batteries were not much better. I have a four year old Kodak digital camera and didn't use it often because of this problem. After I bought the eneloops, the camera started to shine again. Complaints about this battery seems to come from power users who use up batteries in a few hours and demand highest possible mAh. But for casual users, an eneloop at 2000 mAh has effectively much higher usable power than a traditional NiMh at 2500 mAh.
I bought the batteries from a local hhgregg store, which has a cheaper price. The time marked on package indicates they were already a year after manufacture. The batteries of course had lost some charge, but they still could be used to take a few pictures before they needed recharging. That tells me something about these batteries. To casual picture takers, these batteries are a great solution.
Customer Review: Got the starter pack with adapters
Summary: 4 Stars
After reading some of these reviews I got some education on what makes these rechargeable batteries special, they are not high capacity or any super batteries, just batteries that discharge at a much slower rate than regular rechargeable types. I was wondering why my status on these batteries for devices showed only 75% charged when fully charged by the battery charger itself. These batteries have a lower voltage rating than the typical 1.5v alkalines. This makes perfect sense and confirms the batteries are operating at optimal. Thanks folks, for writing those thoughtful reviews.
The D Adapters that came with the starter kit are loosely fitting. In order for me to get them to work, I had to wrap the AA's in a strip of paper to make sure they don't move. The contacts on the top of the adapters are small as well, so depending on what you're trying to use them for, there's going to be some fidgeting to get it working. Since the AA's are lower voltage than alkaline D's, there are going to be many cases where these are not going to work. The D Adapters aren't completely worthless, there will be things like doorbells and radios that could use these.