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: Fantastic yet Horrible
Summary: 1 Stars
The first set of these I bought from a different vendor were fantastic. They lasted 2 years in a frequently used camera. I only recharged then because I was going to a cycle meet and knew I would be taking hundreds of shots and I didn't want them to die in the field. They were still working after 2 years use, but I recharged them anyway to be sure.
Then one day my cordless phones needed new batteries. I immediately bought these Sanyo 2700's due their previously proven performance. I don't know if this is a bad batch or what, but these suck. Sometimes my camera won't even turn on after a fresh charge. I have recycled them endlessly in my MH-C204F charger. On last attempt I recycled them 4 consecutive times and put them away in a drawer. One week later they were dead - and that's under no load whatsoever. I think I will try some eneloops next. These are trash.
Customer Review: For my application, the BAD outweighs the GOOD
Summary: 2 Stars
First off, this review is based on my experience and not scientific tests. I purchased 8 of these for use with my Nikon SB-900 and SB-600 flashes. When they are fresh out of the charger (La Crosse BC9009) they will recycle the flash extremely fast and last for about 150 shots. However, if I charge them and leave them in my camera bag for a 3 days I'll get about 50 shots. If I charge them and leave them in my bag for a week, they are stone dead. Overall, the batteries that were included with my La Crosse charger (Lacrosse 2600's) out perform the Sanyo 2700 by about 2 fold (again, not scientific). I've been testing a set of 4 Eneloops for about a month and I really like them. The Eneloops give me more overall shots and hold a charge for considerably longer - there is a small hit on the recycle time, but for me the upsides of the Eneloops outweigh this.Customer Review: Truthful advertising
Summary: 5 Stars
These cells state a 2700mah capacity. But since cell capacities are frequently overstated for competitive reasons, one should always measure the effective capacity in your application. In my application, I expect a 400ma constant current drain. So I charged 4 cells and then discharged them at 400ma and recorded the capacities. They were quite uniform, which alone speaks to the quality of the cells, and had an average capacity of 2450mah. Yes, that's less than the 2700mah rating, but that rating is usually a 10 hour discharge rating. That is, at 270ma constant drain, the cells will take 10 hours to reach terminal voltage. So 2450mah at a 6 hour discharge rate tells me that Sanyo is justified in claiming 2700mah capacity. And there are lots of cells out there for which this is not true (like SunPak).Customer Review: Useless
Summary: 1 Stars
Maybe I am doing something wrong. These batteries were consistently rated among the best of all the rechargeables. I purchased 2 packages of 4 along with a LaCrosse charger. I charged them completely at a slow rate. When fully charged, I put into my Canon powershot camera. Lasted maybe 15 minutes. Tried another pair. Same thing. Put 2 more in a remote control. Same thing again. Wireless mouse- same. Everything I put these batteries into fails after a few minutes. All my other rechargeables, from Kodak to Duracell to cheapy no-name brands from WalMart last for several days, if not weeks. Same charging technique, same charger. Each time I charge the Sanyos, they either last only a few moments if used immediately, or lose their charge overnight. I am extremely disappointed.