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Battery care

post #1 of 7
Thread Starter 
I recently got a surface pro. While battery life is ok for things like browsing and documents it is pretty bad for using photoshop and illustrator or any heavier usage. Its not a big deal because I just use it at my desk for those kind of things anyway. That said... Will this kill the battery by leaving it plugged in and powered on at full charge for hours at a time? Would it be better to use the battery then plug it in then unplug it when its charged?
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post #2 of 7
With lithium batteries nowadays the throughput of power shouldnt matter at all. But going back to gut feeling if I was in your position I would only plug in when low on juice because it is my preference...
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post #3 of 7
Heat is the biggest killer of modern Laptop batteries. 2nd is letting the battery go empty too often and doing a full recharge.

To increase the operational life expectancy of your battery for as long as possible, charge it in small bursts (i.e. when it drops to 70%, plug in the charger, or if it goes to 50%, charge it up to 75-80%).
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post #4 of 7
Thread Starter 
Hmm well the thing gets really hot not sure if the battery is too but I would bet so given how compact it is. I will charge it in bursts though that sounds like a good comprise
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post #5 of 7
Quite a few systems won't run full speed unless they're plugged in AND have a battery installed (e.g. charging). I'm not sure if the Surface Pro is in that category or not, I haven't benchmarked my wife's on high performance mode on battery vs. plugged in yet to tell. Some laptop manufacturers call this "hybrid power" and is basically a shortcut for including a higher powered (e.g. larger) external power supply for people that wouldn't need it 99% of the time.

That being said, there are some pretty elaborate Li-Ion battery chargers in most of the devices that have integrated non-replaceable batteries like the Surface Pro.

I heard that MS has no battery replacement program in-place (yet) for Surface/Surface Pro. I hope that fix that before the things start needing replacements. Older (February-March) resources quote $450-$470 to replace the battery. Ouch.

Greg
post #6 of 7
Quote:
Originally Posted by hammong View Post

Quite a few systems won't run full speed unless they're plugged in AND have a battery installed (e.g. charging). I'm not sure if the Surface Pro is in that category or not, I haven't benchmarked my wife's on high performance mode on battery vs. plugged in yet to tell. Some laptop manufacturers call this "hybrid power" and is basically a shortcut for including a higher powered (e.g. larger) external power supply for people that wouldn't need it 99% of the time.

That being said, there are some pretty elaborate Li-Ion battery chargers in most of the devices that have integrated non-replaceable batteries like the Surface Pro.

I heard that MS has no battery replacement program in-place (yet) for Surface/Surface Pro. I hope that fix that before the things start needing replacements. Older (February-March) resources quote $450-$470 to replace the battery. Ouch.

Greg

I believe you're talking about a software feature that is OS and software dependent. This is a common thing in Windows mainly though. If you actually went to the power settings on the laptop and changed it so that it ran on "performance" mode at all times it would perform within the margin of error regardless of plugged in or not. Sadly, despite how simple it is to change that behavior people think it's related to hardware when it isn't. The laptop doesn't care if it's plugged in or not; it only cares if there is power. Software controls are made so that people don't complain about their laptop killing the battery super fast.

I agree with the prior mentioned methods of maintaining battery life...though I don't think it matters much if you stay in the >20% and <80% range most of the time. Heat however is the major killer...which is why I hate living in Florida.
     
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post #7 of 7
Quote:
Originally Posted by Rookie1337 View Post

I agree with the prior mentioned methods of maintaining battery life...though I don't think it matters much if you stay in the >20% and <80% range most of the time. Heat however is the major killer...which is why I hate living in Florida.

Exactly.

For Li-ion or Li-polymer batteries:
Don't keep the battery at a full or near full charge all the time (95-100% charge). Take the device off the charger.
Don't drain the battery to empty (below 20%) before recharging.
If you aren't going to use the battery for awhile (more than a two weeks), make sure the battery has a 40-50% charge and store in a cool, dry place.
Keep the battery cool and away from direct sunlight. Never, never leave a Li-ion/Li-polymer battery in a hot car.
    
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