AA NiMH Battery Performance Capacity Tests, Reviews and Comparisons
This is the REAL and up to date "Great Battery Shootout". The AA NiMH Battery Performance test reveals the capacity ( also known as mAh ) or energy delivered ( also known as Wh ) of each AA Rechargeable Battery. see Glossary for more information.
AA battery performance is also an indicator of quality or value. If you paid for a 2900 mAh AA battery, would you be satisfied with the performance of a 2500 mAh battery?
When your rechargeable battery retains more of its charge, you spend less time and money charging it over its lifetime. click here
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Understanding the AA NiMH Battery Performance
The results below are easy to understand. The column "Actual Capacity (%)" is a calculation of the percentage of the total capacity delivered.
Example : If a battery label says 2000 mAh and the rechargeable battery delivers only 1800 mAh, then the battery delivered only 90%. You only got 90% of what you paid for.
100% is expected. A higher the number means a better battery.
For more information on the AA NiMH Performance Test, check out the Test Methodology section for a description.
Due to the time required to complete all the tests, some of the fields may be blank. We will be updating them as we complete each test.
You Can Sort the Tables on the Fly
Clicking once on the header will sort in ascending order ( smallest on top ).
Clicking again will sort in descending order ( biggest on top ).
The individual headers looks like a link.
AA NiMH Battery Performance: Capacity Test Results