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34 of 37 people found the following review helpful:
2.0 out of 5 stars
Cannot hold charge..., January 20, 2009
This review is from: Duracell Rechargeable AA NiMH Batteries, MIGNON/HR6/DC1500, 2450mAh, 8-Count Package (Pack of 2) (Health and Beauty)
I bought these batteries 2x8pack in early December 2008. The batteries are listed on Amazon as having 2300mah capacity, but the one they shipped were actually 2650mah. (That was the good news).
It was surprised that the batteries did not seem to hold charge for more than a few days... To be sure about this, I bought a La Crosse BC-900 charger and tested the batteries.
I refreshed and charged the batteries in many different ways. The number of cycles and the speed by which the batteries were charged/discharged did not seem to influence the measured capacity.
The BC-900 told me two things.
1) The true capacity is somewhat below the 2650 that is listed on the batteries. All were measured to be in the 2350-2570mah range.
2) The batteries loose their charge very quickly. Judging from betteries I had charge a week earlier, the batteries had lost about 50% in a week.
My conclusion is that these batteries are only valuable if you are using them in power intensive devices - devices that will use up the full capacity within days of them being charged.
It will be waste of your time to charge and store them for more than a week before use... These should be recharged right before use.
Called Duracell about the problem... and they were sufficiently helpful for me to add a second star to my rating.
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37 of 41 people found the following review helpful:
2.0 out of 5 stars
Don't confuse those with Duracell 'Pre Charged' batteries, November 25, 2009
This review is from: Duracell Rechargeable AA NiMH Batteries, MIGNON/HR6/DC1500, 2450mAh, 8-Count Package (Pack of 2) (Health and Beauty)
I can't believe it! Just when we thought we've got the Duracell battery color scheme figured out, those folks at Duracell pulled another cheap trick out of their collective... hat!
To recall, here is the color scheme for Duracell AA/AAA batteries:
- Duracell alkaline cell has the famous 'copper top' and a black bottom
- Traditional Duracell NiMH (DC1500) cell is green and black in color
- Newer Duracell Pre Charged NiMH cell has a 'copper top' and a green/black bottom
The latest batch of rechargeable AA/AAA NiMH cells from Duracell all have the 'copper top' and green/black bottom, similar to that for 'Pre Charged' version. However, those cells don't say 'Pre Charged' on them. Instead, they have their capacity printed (2650mAh for Duracell DC1500 AA, 1000mAh for Duracell DC2400B4N AAA). It is important to know that: those are NOT the low-self-discharge type like Sanyo Eneloop. They are traditional NiMH cells, which have higher capacity but suffer from rapid self-discharge problem. So even though their prices may look attractive, those are no bargains.
Remember: "If it doesn't say 'Pre Charged', put it back!"
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5 of 6 people found the following review helpful:
1.0 out of 5 stars
Don't Hold Charge, November 13, 2009
This review is from: Duracell Rechargeable AA NiMH Batteries, MIGNON/HR6/DC1500, 2450mAh, 8-Count Package (Pack of 2) (Health and Beauty)
Read other reviews saying the batteries don't hold a charge. Used 5 other brands and never had a problem so thought I'd take a chance. Maybe it was a degree of expectations. Under any expectation, these batteries DO NOT HOLD A CHARGE. Great price, but not when they're worthless.
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