I have a k750i, and use it rather heavily, and still it manages to last quite a while, sometimes even a week, depending on how long i play Tennis on it. I use it quite heavily, and it lasts much, much longer than any nokia phone i owned, even when using the camera extensively, surprisingly. I had the Nokia n90 as well, and its battery life was barely half of the k750. Vince D above might want to reduce the backlight to 50%, which is still perfectly usable, to save some power. The k750 can easily last a week in offline mode, btw.
And i used to think its because i nearly fully discharge the battery before charging. I am aware li-ions dont have the memory effect, but old habits die hard.
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I have a k750i, and use it rather heavily, and still it manages to last quite a while, sometimes even a week, depending on how long i play Tennis on it. I use it quite heavily, and it lasts much, much longer than any nokia phone i owned, even when using the camera extensively, surprisingly. I had the Nokia n90 as well, and its battery life was barely half of the k750. Vince D above might want to reduce the backlight to 50%, which is still perfectly usable, to save some power. The k750 can easily last a week in offline mode, btw.
And i used to think its because i nearly fully discharge the battery before charging. I am aware li-ions dont have the memory effect, but old habits die hard.