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Old 12-26-13, 04:20 PM   #1
AnthonyG
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Looking after Laptop batteries?

Hi all. I've finally joined the world of portable computing with a Macbook Pro Retina 13". I have a quick question that I haven't found the answer to. Is it better to go through a deep cycle with laptop batteries or is it better or OK to keep them charged up as much as possible?

Different batteries prefer different things and I can't find the information I want. Thanks.

Anthony
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Old 12-26-13, 04:58 PM   #2
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While I can't answer that questions, I can tell you the batteries that came with the new Toshiba laptop I bought this summer quit working after I switched the battery profile to one designed for longer battery life as recommended by the laptop. After searching the internet for answers, I found there were many many other people with Toshiba laptops with the same problem.
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Old 12-26-13, 05:19 PM   #3
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http://www.techrepublic.com/blog/use...ion-batteries/
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Old 12-26-13, 05:41 PM   #4
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Thanks for the link. The answers I'm after.

Anthony
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Old 12-26-13, 05:43 PM   #5
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While I can't answer that questions, I can tell you the batteries that came with the new Toshiba laptop I bought this summer quit working after I switched the battery profile to one designed for longer battery life as recommended by the laptop. After searching the internet for answers, I found there were many many other people with Toshiba laptops with the same problem.
Devices like that drive me nuts. Fingers crossed that the Macbook is better.

Anthony
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Old 12-27-13, 10:53 AM   #6
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Devices like that drive me nuts. Fingers crossed that the Macbook is better.

Anthony
I'm not buying another Toshiba when the time comes to replace this one, there are other choices that should work better.
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Old 12-27-13, 11:04 AM   #7
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as long as you avoid a deep discharge and keep them out of an extended duration of direct sunlight, they will last a long time.
oh, and try not to drop them. However, that's what apple care is good for.


minimum 3 years, maximum 5 to 7 years.

modern Li-Ion batteries will wear out 10%/year on average.

My surface pro, that I bought back in march, indicates 11% wear level, so I am not doing as well, but I use this thing constantly so it has gone through a lot of charge cycles already.
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Old 12-27-13, 11:44 AM   #8
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Like said in the posted article, pretty much as long as it's kept away from temperature extremes and isn't run out to nothing repeatedly, any use it sees should be fine. Cleaning off the contacts with a little isopropyl every once in awhile is a good practice as well.
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Old 12-27-13, 09:04 PM   #9
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I've noticed with laptops YMMV. My daughter, my mother and I all had Dell laptops. My battery lasted for about 4 years, my mother's and my daughters lasted less than 2 years. I am on my second Dell laptop now and at 5 years old its battery still has a lot of capacity. I use the laptop several times a week, and about every third time I use it I use the battery, the other 2 times I use the AC adapter. I have a small Toshiba laptop that I use once or twice a week and it has plenty of battery capacity still, I think it is three years old now.

Regarding my daughter's old laptop- I bought her a replacement battery on ebay. I looked at a lot of vendors and worried about buying a generic brand battery, but I figured if the OEM batteries could be so bad then I couldn't do any worse by buying a generic battery. I searched ebay sellers for one that had a lot of feedback and high percentage of good feedback, bought from them, and the battery worked fine.

I had a separate thread here recently about cordless drills. I got a new DeWalt for my use but I also ordered a cheap generic battery for my old DeWalt so I will see how it works out. The drill was useless without a battery and couldn't bear to throw it away so I bought a battery to make it actually work again. I'll keep it for a spare or give it to a family member.
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Old 12-27-13, 09:27 PM   #10
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I've noticed with laptops YMMV. My daughter, my mother and I all had Dell laptops. My battery lasted for about 4 years, my mother's and my daughters lasted less than 2 years. I am on my second Dell laptop now and at 5 years old its battery still has a lot of capacity. I use the laptop several times a week, and about every third time I use it I use the battery, the other 2 times I use the AC adapter. I have a small Toshiba laptop that I use once or twice a week and it has plenty of battery capacity still, I think it is three years old now.

Regarding my daughter's old laptop- I bought her a replacement battery on ebay. I looked at a lot of vendors and worried about buying a generic brand battery, but I figured if the OEM batteries could be so bad then I couldn't do any worse by buying a generic battery. I searched ebay sellers for one that had a lot of feedback and high percentage of good feedback, bought from them, and the battery worked fine.

I had a separate thread here recently about cordless drills. I got a new DeWalt for my use but I also ordered a cheap generic battery for my old DeWalt so I will see how it works out. The drill was useless without a battery and couldn't bear to throw it away so I bought a battery to make it actually work again. I'll keep it for a spare or give it to a family member.
If you crack open those battery packs, there are usually some CR123a, 14500 or 18650 batteries inside.
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http://sanfrancisco.ibtimes.com/arti...ger-photos.htm
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