I have quite a few of the M-Edge led lights that run on AAA batteries. Some are 3 years old now. Obviously I am changing out the batteries. But, some of my lights just aren't as bright as they were when I first bought them. I really do worry about getting a Paperwhite and in a couple years the lights just now being as bright as they should be. I thought leds were suppose to last forever? Has this happened to any one else?
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