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Posted: 4/8/2006 6:49:42 AM EDT
I have noticed that on my digital camera and flash lights that in a 4 battery configuration, one or two batteries will always be discharged to about 0.8V-1V (with the other 2-3 at 1.2V) causing poor device performance. If I switch out that weak battery for a fresh battery, the device works properly.

Why does it always do this? Shouldn't the 4 batteries discharge at similar rates?
Link Posted: 4/8/2006 7:04:44 AM EDT
Link Posted: 4/8/2006 7:12:13 AM EDT

Originally Posted By Paul:
Yes they should. You may have some bad/weak cells.

+1. My charger has a status light for each battery. That has helped me weed out individual bad batteries in the past.
Link Posted: 4/8/2006 7:13:25 AM EDT
If they are all in serial, they should discharge at the same rate unless some of the cells are bad. Make sure the charger is working properly also, most 4 AA chargers have 2 circuits (which group together 2 cells). If one is bad, a pair won't be charged the same as the other. Mark the cells and experiment.
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