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I have a couple of questions about my new laptop computer regarding charging the battery.

Asked by Bluefreedom (22944points) September 15th, 2009

I’m trying to find a balance of when I have to use my laptop with the battery and using the AC adapter. I’ve looked over the users guide and it states a couple of things that look ambiguous to me:

“Once the battery is charged for the first time, avoid leaving the computer plugged in and turned off for more than a few hours at a time. Continuing to charge a fully charged battery can damage the battery.”

“To ensure that the battery maintains its maximum capacity, operate the computer on battery power at least once a month. The Lithium-Ion battery has no memory effect so it is not necessary to let the battery fully discharge each time. If the computer is continuously operated on AC power for an extended period (more than a month), the battery may fail to retain a charge. This may shorten the life of the battery, and may cause the battery meter to be inaccurate.”

So, what I’m getting from this is, I can operate my computer continuously on AC power as long as I let the battery discharge once a month even though the first paragraph says ‘continuing to charge a fully charged battery can damage the battery’. Does the AC adapter automatically stop charging the battery once it is fully recharged? Are there other laptop users out there that operate their laptops exclusively on AC power?

Any input, knowledge, or experience anyone might have with these queries would be greatly appreciated and thanks in advance for your answers. Sorry the question was so long.

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