Tests and reviews of different batteries to help you find the Right One…
The 9V Duracell Alkaline batteries we test here are rated with up to 5 years shelf life and are marked for use up to 03-2017. Duracell’s website does not have detailed specifications about these batteries, so we have to check them out by testing the actual capacity we can get out of these. And since we are using the standard Duracell Copper Top Alkaline batteries as our reference to judge and compare to other batteries the result we get here is very important for our further tests.
To test the capacity that the 9V Duracell alkaline batteries can provide we are using a constant current discharge test with 0.05A load (50 miliampers) due to the fact that the total capacity of these batteries is not that high and they are not intended for use in situations where high current loads can be expected. The 9V Duracell Alkaline battery we have tested here managed to provide 311 mAh capacity before hitting the 6.6V cutoff voltage. We kind of expected the Duracell to perform a bit better than what we’ve got, but such capacity is to be expected from a decent 9V Alkaline battery anyway.
The performance of the 9V Duracell Alkaline Batteries in our tests:
– 311 mAh at 0.05A load
– 2.300 Wh at 0.05A load