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MacBook Pro battery question
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<blockquote data-quote="chas_m" data-source="post: 1489083"><p>Also -- and I'm surprised nobody mentioned this until now -- download and use the free <a href="http://www.coconut-flavour.com" target="_blank">Coconut Battery</a> utility. It will tell you AT A GLANCE if the battery is in fact damaged in some way or is (normally) slowly decaying.</p><p></p><p>Here's my report as an example:</p><p></p><p>[ATTACH=full]18637[/ATTACH]</p><p></p><p>As you can see, my 3.5-year old battery has lost 20 percent of its total capacity. I keep mine (since I got it last year, anyway) MOSTLY plugged in, but I do tend to let it run down to nearly empty when I run it on battery, which is once a month or so.</p><p></p><p>All the stats you're seeing there are pretty normal for a machine of this age. The battery is designed to gently decay over time. If I unplug it (I have it on the mains just at the moment), keeping the screen very dim (not much of an issue in dim lighting environments in which I tend to hang out) but BT and Wi-Fi on, I expect about three to four hours of use depending on what I'm doing (at the moment, writing this and streaming Internet radio).</p><p></p><p>This is just to give you some frame of reference.</p></blockquote><p></p>
[QUOTE="chas_m, post: 1489083"] Also -- and I'm surprised nobody mentioned this until now -- download and use the free [URL="http://www.coconut-flavour.com"]Coconut Battery[/URL] utility. It will tell you AT A GLANCE if the battery is in fact damaged in some way or is (normally) slowly decaying. Here's my report as an example: [ATTACH=FULL]18637[/ATTACH] As you can see, my 3.5-year old battery has lost 20 percent of its total capacity. I keep mine (since I got it last year, anyway) MOSTLY plugged in, but I do tend to let it run down to nearly empty when I run it on battery, which is once a month or so. All the stats you're seeing there are pretty normal for a machine of this age. The battery is designed to gently decay over time. If I unplug it (I have it on the mains just at the moment), keeping the screen very dim (not much of an issue in dim lighting environments in which I tend to hang out) but BT and Wi-Fi on, I expect about three to four hours of use depending on what I'm doing (at the moment, writing this and streaming Internet radio). This is just to give you some frame of reference. [/QUOTE]
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