Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 4 Pack
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Digital Cameras Photo Reviews of Sanyo Eneloop AA NiMH Pre-Charged Rechargeable Batteries - 4 Pack
Customer Review: Simple little charger that gets the job done
Summary: 5 Stars
This package, eneloop Compact Charger (includes 2 AA), contains the Sanyo 2-cell charger 'MDR02'. I use one in my office to recharge batteries for my MP3 players, headphones, wireless mouse, etc. It has served me well for the past 2.5 years with absolutely no problems.
The MDR02 works very well as a travel charger for my trips, too. It is tiny (measures only 3"x3"x1"), very light (weights about the same as two AA cells), and accepts universal input voltage of 100-240V AC. It is also a "smart" charger in the sense that it charges each cell individually, and stops whenever each cell is full.
The charging current of MDR02 is 550mA for AA, 380mA for AAA. That means it takes about four hours to charge up either 1 or 2 eneloop AA cells (2000mAh). This may seem slow, but it is actually a lot faster than the Sanyo 4-cell charger 'MQN06' included in Eneloop 4 Pack AA w/ Charger. The MQN06 charges at only 300mA, so it takes up to 7 hours for a pair of eneloop AA cells. It also forces you to charge in pairs, which is very inconvenient if your appliance requires odd number of cells.
If you need a faster, more advanced 4-cell charger for home use, I highly recommend either the La Crosse BC-9009 or BC-700. As a reminder: the eneloop cells do NOT require special chargers. Any good quality "smart" NiMH charger will do the job. The reverse is also true - You can use this eneloop charger for other brands of AA or AAA NiMH cells as well.
Customer Review: Eneloop - restored my confidence
Summary: 5 Stars
I purchased a Canon A590IS P&S camera. The included batteries (Alkaline) didn't last very long, nor did I expect them to. I thought I would be okay with 2300 mAh rechargables. These didn't last more than two hours of casual camera use. I was very discouraged because I liked the camera but had no confidence in it's ability to give me a reasonable battery life. Then came the Eneloops. Lot's of research caused me to purchase these batteries. I put two of them in the camera right out of the package. They're still going strong some 200 shots later and show no signs of decreased charge. They have given me the ability to use this camera as I had first intended. I have since purchased four more and the charger that goes with them. These Eneloops have a remarkable useful life and just don't want to quit the way others do. They are, by far, my AA battery of choice. They will replace the other AAs I have as these others fade away. I don't see how you could ask for more.
The red, low battery warning light went on (on the camera LED) about three days ago. I felt that I got well over 200 shots with these two eneloops and was satisfied. So, just out of curiosity, I thought I would keep going to see how long before the camera shut down. It didn't shut down. The next day the low warning icon was not there and hasn't returned during another 40-50 shots. I can't explain this - it's like the batteries had a "breather" and are off and working again. This tempts me to advise you to just give them a rest and see if you have the same result. Amazing little source of power.
Customer Review: The PAINLESS Battery
Summary: 5 Stars
I have a digital camera that I use about one week-end a month. I always needed to recharge the four AA batteries the night before using the camera, because after a month in storage, the batteries had lost most of their charge. I would take fifty or sixty photos, and get the "low battery" warning.
The Sanyo Eneloop AA batteries solved the problem. I charge them up. A month later, I can pick up my camera and take 300 or 350 photos without first charging the batteries. The Mah rating of the Eneloops is lower than the traditional rechargeable batteries I had been using, yet the number of photos I am able to get after a fresh charge with the Eneloops matches the traditional batteries after they have been freshly charged. For digital cameras that use AA batteries, a set of Eneloop batteries is likely to last for twice as many photos as with "throw away" AA batteries. Some Canon cameras get as few as 100 photos with "throw away" batteries, but should get more than 200 photos per charge with the Eneloop batteries.
Sanyo has made using rechargeable AA batteries painless...given that a set of batteries is likely to last more than 300 or 400 charging cycles, I can get many years of use out of just four batteries. The battery cost for my digital camera is now less than $2 per year...enabling me to take thousands of photos each year at a battery cost of much less than a penny per photo.
The Sanyo Eneloop is so far superior to traditional rechargeable batteries that it is a puzzle why anyone would consider buying the traditional batteries.
Customer Review: White Lightning!
Summary: 5 Stars
This is one product I'm truly enthused about. Bought it with the La Crosse Technology BC-900 AlphaPower Battery Charger around Christmas 2007 and have used them for six months. I use these batteries for my kids' cameras that each take two batteries. They can leave them alone for a month (and have) and when they pick up the camera, they still have full charge. Further, the backup batteries are ready to go when they need them. I use them much more often to take Real Estate shoots with my Canon Speedlite 380 EX Flash. The flash recycles quick even though I use a Sto-Fen Omni-Bounce for the Canon 380EX Flash. When the flash fires with this cover, it generally fires full power and has to recycle. I can take a picture, move QUICKLY and it's ready to fire when I get there. Batteries last for two or three shoots then I just swap out and continue to shoot.
One thing I'm not sure has been mentioned is that these batteries don't LOOK like regular batteries. With younger children, I'm sure a dozen or so 'missing' NiMH batteries ended up in the Trash when the kids swapped them for Alkalines. Now I just tell them NOT to throw away the WHITE batteries! Alkalines? Those are for remote controls ONLY now.
Customer Review: Better NiMh Battery for sure
Summary: 5 Stars
GE/SANYO eneloop 4 Pack AA NiMH Pre-Charged Rechargeable Batteries
I like NiMh batteries a lot. The only problem is that they will lose their capacity after a few months and this made they not suitable for my certain applications. When I learn that Sanyo has this new type of batteries, I bought a few from Amazon due to their reasonable prices. After it arrived on Nov. 2007, I notice that its production date is 09-2006. So it is about 14 month old. Its voltage is 1.29 volts, not bad for a battery stored for over a year. Its remaining capacity is shown to be 2060mAh as measured by the LaCrosse Technologies' battery charger/tester. [edited by the reviewer: Somehow I didn't read the LaCrosse tester capacity results right. I used my own (home made) data acquisition tester tested again today, the capacity is about 1300 mAh. Not bad after storing for 14 months. - 11/19/2007] I then charged the battery to full and measured its capacity. It is 2170 mAh. Looks to me the batteries I received exceed the flash and stored capacities claimed by Sanyo and better than other reviewers' results. The only weakness is they cannot match the capacity of the top ones of the conventional NiMh batteries but this is not that bad and it is not so important for my applications.
If its long term performance is as good, I don't think I will buy regular NiMh again in the future.