At nearly two years old, my Nokia 5230 has started to suffer somewhat in the battery department. On my current contract the available upgrades don't offer any improvements in screen resolution. Quite the reverse in fact, the Samsung Galaxy Y's 320 x 240 doesn't really compare very well with the 640x360 that I've become used to.
My phone's life has had an unexpected extension with a very simple change. I've turned off 3G access. The battery life has nearly trebled and the internet is still quite usable.
In issue 336, Computeractive reader Jack Morris wrote to us to tell us of a calculator he'd bought with a very long-lasting battery:
I have had a Sharp EL-6071 Memo Master 100 calculator since I bought it new in about 1984 (I think). It is still in use and has never had the battery replaced - is it a bit unusual for a battery to last as long as this?
We asked whether any other readers could beat that, and some interesting replies resulted.
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