Sanyo 2,700 mAh AA NiMH Rechargeable Batteries (4-Pack)
by SANYO
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Digital Cameras Photo Reviews of Sanyo 2,700 mAh AA NiMH Rechargeable Batteries (4-Pack)
Customer Review: Sanyo 2700 AA NiMH
Summary: 5 Stars
I ordered the sanyo eneloop (Low self discharge) AA batteries and Sanyo 2700 mah NiMH AA for my digital Sony camera after much research. I am impressed with the ENELoop batteries, right out of the package they ran my camera for 2 hours CONTINUOUSLY in video record mode.
Even though they are rated at 2000mah, they charged to 2300mah in the Lacrosse BC-9009 charger.
Then, I compared them to the regular self discharge Sanyo 2700, after charging the 2700s, I got 3.5 hours of movie mode continuous recording. They just kept going and going.....
So my recommendation would be ENELOOPs, since they hold their charge and can be carried for use when taking vacation pictures.
BOTH these Sanyo batteries were made in Japan. The 2700s I received were mostly white with an orange strip around the negative end.....not like pictured here.
Customer Review: VERY GOOD QUALITY - MUCH CHEAPER ELSEWHERE
Summary: 5 Stars
Sanyo batteries are very high quality. Same goes for the MAHA-PowerX, and Ansmann brands. I suspect, but can't prove that MAHA-PowerX and Ansmann sell rebranded Sanyo batteries. MAHA-PowerX and Ansmann are very high quality charger manufacturers that offer only high quality batteries for sale to keep their good reputations. Keep away from Duracell, Lenmar, R2G, Energizer, all no-name models, all regular-(self-)discharge AA's with less than 2400 mAHr capacity, all regular-(self-)discharge AAA's with less than 1000 mAHr capacity.
You may want to substitute with the relatively new technology "low discharge" types of NiMH. This simply means they hold their charges much longer than standard NiMH batteries *when not being used*. That's why they are often advertized as being "pre-charged" - typically to 75% of the full capacity. The only downside is they don't have quite as much capacity as the standard type: 2100 mAHr verses 2600 mAHr for AA's and 800 mAHr vs. 1000 mAHr for AAA's. Great for cameras that stay in the closet for months then suddenly get used heavily at birthday parties. Not good for FRS (family use) or GMRS (business use) radios that need to be recharged each day anyway. Low-discharge brand names and models: Sanyo Eneloop, Accupower AccuEvolution, Ultralast Hybrio, Uniross Hybrio, Nexcell energyOn, Tenergy R2U, MAHA-PowerX Imedion, Ansmann Max-e, Rayovac Hybrid 2100.
Customer Review: Amazing rechargable batteries!
Summary: 5 Stars
These are really great! They last very long, much longer than anything else I've ever used. We've had them for more than a year now, and they still work and charge and work again as perfectly as a year ago. They work with any standard charger. In fact that's how I came to buying them: at one point I had bought a Digital Concepts batteries+charger kit, which turned out to consist of a decent charger and really crappy batteries. I had to shop for new ones, found these from Sanyo, and we couldn't be happier with them. The only problem is that we don't have enough for all our devices, so I'm shopping for more of them as soon as I finish typing this review!Customer Review: not as I expected
Summary: 2 Stars
product not as expected, have another brand of 2000 maH bateries which hold a better charge in canon camera than these do. Thought that be purchasing the 2,700mAh batteries that they would last longer. I was wrong,at least with this brand.
look into another brand if you want LONG lasting batteries.
Customer Review: The Sanyo 2700s are better by a mile than Eneloop 2000 mAh Low self-discharge (LSD) batts
Summary: 5 Stars
Review of Sanyo 2700 mAh High capacity rechargeable batteries
I recently Purchased 2 sets of these for an Olympus SP-550UZ 7.1MP Digital Camera with Dual Image Stabilized 18x Optical Zoom camera. This camera eats up batteries. You can put a brand new set of alkaline energizers in the camera and it will power up just long enough to let you know that it thinks the batteries are dead.
I have been using the Sanyo Eneloop 2000 mAh Low self-discharge (LSD) for several months. They work but not well. I have to take them right out of the charger and put them into the camera to get 250 shots. If the Eneloops have been charged and have been sitting for 24 hours the camera says they are low on charge and I might get 30 shots.
The Sanyo 2700s are better by a mile. For the first time ever I powered up the camera the next day, after using it the prior day, and the camera did not complain that the batteries were about to die.
I highly recommend these batteries for applications where lots of power is needed.
I also highly recommend using a La Crosse Technology BC-900 on it's default setting which trickle charges the batteries at 200 mAh. To fully charge a set of batteries takes around 13.5 hours, but because the Olympus SP-550UZ can't use the battery's full charge, toping the batteries of only takes about 5 hours or less.
May 14 2009 update.
These batteries need to be run down and recharged to get the full use of them. The first time I charged these up I only got 84 shots. After using the La Crosse Technology BC-900's discharge and recharge option several times I got 212 shots out of a set the other day. On this shoot I was using the zoom a lot and that uses a lot of power.
I shoot RAW so on a 2GB type H card I get about 196 shots. So getting 212 shots out of a set of these batteries is great.
I also have tested running batteries dead. When a battery is run down all the way and left for a while it tends to develop micro shorts in it. To a charger it will look dead and the charger won't charge it.
Well I found that if I just left the dead battery in the La Crosse Technology BC-900 charger long enough, sometimes over night, It would start charging eventually. The charger charges at 200 mAh by default and runs a trickle charge of 20 mAh to keep a battery toped off. I suspect that even though the charger does not recognize the presence of a dead battery it is still running a small charge through it. This charge is enough to fix the micro shorts over time and then the battery will start charging normally.