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Apple Computing Products:
macOS - Notebook Hardware
Battery capacity and load cycles
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<blockquote data-quote="blackjack75" data-source="post: 642956" data-attributes="member: 54407"><p>Is this calibration a myth or does it work in anyway really? Anyone actually managed to get back a battery to work again doing this? </p><p></p><p>I had the same issue with my MBPro 2ghz (first gen), but the battery was pretty old and my AppleCare was over and I didn't feel like arguing, so I just paid for it without asking questions at a local shop.</p><p></p><p>Now it's been less than a year since I bought the second battery. It has 183 cycles according to coconutbattery and my battery capacity is down to 1131 from the 5500 mAh it had when it was new. (Update: now it's at 1083... )</p><p></p><p>The battery doesn't survive for more than a few minutes. After 5-10 minutes it will just shut off brutally without warning nor going to sleep. </p><p></p><p>My battery number isn't in the serial range they gave for the 2006 recall. I am just starting these batteries are just crappy and you have to buy one every 10 months.</p></blockquote><p></p>
[QUOTE="blackjack75, post: 642956, member: 54407"] Is this calibration a myth or does it work in anyway really? Anyone actually managed to get back a battery to work again doing this? I had the same issue with my MBPro 2ghz (first gen), but the battery was pretty old and my AppleCare was over and I didn't feel like arguing, so I just paid for it without asking questions at a local shop. Now it's been less than a year since I bought the second battery. It has 183 cycles according to coconutbattery and my battery capacity is down to 1131 from the 5500 mAh it had when it was new. (Update: now it's at 1083... ) The battery doesn't survive for more than a few minutes. After 5-10 minutes it will just shut off brutally without warning nor going to sleep. My battery number isn't in the serial range they gave for the 2006 recall. I am just starting these batteries are just crappy and you have to buy one every 10 months. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Battery capacity and load cycles
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