1.5V AA Q-Lite Alkaline Battery Tests

8 Aug
2013

1-5v-aa-q-lite-alkaline-battery

The 1.5V AA Q-Lite Alkaline batteries we test here are rated with up to 3 years shelf life and are marked for use up to 03-2016. The Q-Lite Industrial’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 with different constant current loads.


1-5v-aa-q-lite-alkaline-battery-power-profile

Starting with the power profile test of the 1.5V AA Q-Lite Alkaline batteries we can see that they can handle pretty high loads before reaching the cutoff voltage of 1V that we are using for our tests. We’ve managed to reach up to 1.5A current draw before the batteries hit the cutoff voltage and values over 1 Amp are not that common to find with alkaline batteries, so these batteries are handling quite well. The open circuit voltage of the 1.5V AA Q-Lite Alkaline batteries we tested was 1.62V, though of course that value decreases when the battery is under load.


1-5v-aa-q-lite-alkaline-battery-capacity

Time to move on to the constant current draw tests we are performing. Starting with a 0.1A constant current load tests for the 1.5V Q-Lite Alkaline batteries we got 2219 mAh capacity which we consider to be very good. Going for 0.2A constant current draw form the batteries the useful capacity you can expect is 1873 mAh and going even higher the useful capacity gets a bit less than in half at 0.5A and 1.0A load as compared to the previous rate. Nevertheless the 1.5V AA Q-Lite Alkaline batteries still manage to perform very well even under higher constant current draw rates, though as usual for such cases we would still recommend to go for rechargeable NiMH batteries instead.

The performance of the 1.5V AA Q-Lite Alkaline Batteries in our tests:

– 2219 mAh at 0.1A load
– 1873 mAh at 0.2A load
– 1062 mAh at 0.5A load
– 482 mAh at 1.0A load

– 2.763 Wh at 0.1A load
– 2.257 Wh at 0.2A load
– 1.219 Wh at 0.5A load
– 0.532 Wh at 1.0A load



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