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• Rechargeable Battery - 13-inch MacBook (Black)

  

  Also about to buy my 3rd

  Written by MS from Royal Leamington Spa

  Nov 9, 2009

  My first battery died of too many charge cycles even though I read somewhere that when the battery is fully charged, power is cut off from the battery. When I got my second battery I was more careful and often would take out the battery to reduce the charge cycles and with some effort I kept the battery quite healthy.
  
  However recently after not having the battery for a few weeks it turns out that the battery is fully drained and will not take a charge at all, rendering itself useless. There should be a warning for this on the hardware manual of the macbook.
  
  The price of the battery itself is also not cheap and it seems that it is the most problematic component of the macbook. …More

  4 of 4 people found this useful

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• Rechargeable Battery - 13-inch MacBook (Black)

  

  Exercise your battery

  Written by DC from Shoreham-by-Sea

  Nov 5, 2009

  I have had my MacBook for well over three years and still going strong – well the battery is finally failing - about to get a replacement as I have fully expelled all it's might since I bought the MacBook. Now lasts about five minutes as soon as you disconnect the power cable. All batteries are consumables and they do not last forever but depending how you use them will depend on how long they will last.
  
  The battery will last for as long as possible if you exercise it. Fill the battery up, take the power out, let it run right down. Put the power in, fill the battery up, take the power out, let is run right down – just as you do with your mobile phones. Keeping the power connected only shortens the batteries life - if you don't exercise it, it will become tired and lazy.
  
  Don't keep the power cable in for long periods of time. Instead of turning it off, take the power out, put it into sleep mode overnight, then reattach the power and top up in the morning. …More

  22 of 29 people found this useful

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• Rechargeable Battery - 13-inch MacBook (Black)

  

  User friendly products, but you have to be friendly in some cases.

  Written by MS

  Nov 1, 2009

  I have been using Macbook black since February, 2007. Never gave me simple headaches. Last two months were really hectic- screen frequently gone to black. Couldn't figure out the reason. Now i can guess that it was battery.
  
  I have been using A/C power, most of the times. kept it on for days. kept the sleep options never for my mac. Didn't calibrate the battery for years as it is prescribed to keep the battery full functional. My display started going black very frequently. When i tried to solve this issue, i found the battery facts. It actually linked with CMU.
  
  I tried the calibration first time yesterday. Before, it happened but not done by me. I think it might keep the battery function properly.
  
  I have read few reviews about the battery problems. I think if you read the instructions for calibrating your battery, you would know the frequent mistakes. Try to read the last three instructions properly. You should shut down when the battery indicates zero, or you can put it in sleep. The macbook battey contains a chip which contains necessary information, it is programmed to sleep in reserve, if it is drained totally, the information that chip were carrying might lost totally. And that is how the battery is dying before the time. This is what i have thought. I am not an expert in this.
  
  One more fact, i wanna add about purchasing the battery. each products have specific shelf life. Before purchasing any product, check the manufacturing date, rather than other dates- that is what we frequently skip. …More

  11 of 15 people found this useful

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