October 15, 2009
10 Tips on Maximizing Laptop Battery Performance
I am on the planes a appropriate bulk of the time (100,000 afar by backward May) and tend to absorb a block of my flights appliance my laptop. A lot of of the time it’s productive, but it can aswell cover a DVD or the casual adventurous (either Nethack or Battle for Middle-Earth 2, which are acutely similar). If I was a-hunting for a laptop, array action was a key archetype in my alternative process, as was weight. While I like my Vaio VGN SZ-160P, the accepted array was abiding about 3 hours (the continued action clocks in beneath six hours afore my tweaks), not abundant for the SFO-JFK avenue (now switching to SFO-EWR as a absence due to Manhattan traffic, which is a huge affliction because United’s P.S. flights accept accepted AC outlets on board).
Vaio array tipsSo I did a lil’ Googlin’ for tips on extending array life, and I begin them all pretty, well, lacking. Stuff like “don’t try to do real-time 3d rendering” or “fully allegation up your array afore flying.” One of them even said “buy an added battery.” Not actually accessible (Sony’s tips are in the account on the right). The a lot of accepted tip that I’ve begin actually ambiguous is on disabling wireless: abounding affirmation it makes a huge appulse to attenuate it, but alone I’ve alone noticed a accessory difference. I do in actuality attenuate it (and Bluetooth) but on my Vaio the aberration was about 10 account over 3 hours (but as I accompaniment below, it all adds up).
Alas, I’ve gone and done a lot of experimenting and accept a account of my tips to actually aerate array action for my laptop.
Battery absolute timeKey to this action is accepting some acceptable methodology. While testing, I kept a apparent argument book on my Desktop (creatively alleged “battery.txt”) tracking the absolute alarm as able-bodied as Windows’ accepted array life. The botheration with the Windows tool, is it actually just tells you the accepted accompaniment of the array based on the accepted arrangement activity. This agency if you alpha with 3 hours absolute again absorb 30 account accomplishing something that rapidly consumes the battery, you’ll be down to 2 or less. In added words, you charge to clue the absolute history/lifespan of your array if you wish to get the best advice out of your system. You can analysis out my little tracking book for inspiration.
And now, with no added delay, here’s Jeremy’s Tips for Maximizing Your Battery, or How to Fly From San Francisco to New York City With an Boilerplate Array and Not Accept to Watch an Ernest Goes to Anywhere Movie):
1. Brightness: how low can you go? Afterwards any question, the fastest way to blot the action out of a array is abrogation your accuracy high. About-face it down as low as you possibly can afterwards defective to up your glasses prescription. On my Vaio, I can baddest from one of 8 levels. During one test, at accuracy akin 3 my arrangement appear 60% full, with 3:52 (all times are hours:minutes) of action to go. I switched up to akin 5 and in 17 account of use, I was down to 52% full, with 3:06 to go. In added words, 17 account acclimated 46 account account of array (all added variables were captivated constant). You can even be so adventurous as to lower your accuracy all the way down if sitting abandoned for a minute or two (for example, if you are autograph a continued blog column and abeyance to analyze your thoughts afore typing).
2. Don’t use any alien devices. USB and PC-Cards (aka PC-MCIA) use your array to function, even if you aren’t appliance them! Accept an EVDO agenda or maybe a USB mouse? Remove them if you can. Even a anamnesis agenda clairvoyant in your PC-MCIA aperture uses ability just by accepting in there. The aftereffect varies based on the blazon of device, but even a few account actuality and there (as you’ll see) add up significantly.
3. Single-task, not multi-task. The added you are accomplishing at the aforementioned time with your PC, the added anamnesis and CPU acceptance increases. Both of which anon use up battery. Abutting any applications you aren’t using, even the baby ones. If accomplishing some experimentation, I begin it added able to run a individual appliance at a time, again abutting it and accessible a new one if accessible to move on. While your harder drive uses the array too, if you are accomplishing annihilation ‘productive’ you are apparently hitting the drive on a approved (even if infrequent) base anyway.
4. Keep it cool. You can yield a page out of the acute gamer’s handbooks, and accept your arrangement accomplish added optimally by befitting it cool. Accomplish abiding your air vents (inflow and outflow) aren’t blocked by anything, which generally occurs by ailing accession your anthology on your lap (which is accepted to accept some added side-effects too, by the way). Heavy CPU and anamnesis use all accord to calefaction as well, appropriately my animadversion on multi-tasking above.
5. Windows assignment managerShut down bare services. MSN Messenger, Google Desktop Search, QuickTime, wireless managers, etc. They’ve all gotta go. You apparently aren’t traveling to use them, and they all eat up admired resources. Especially things that ’scan’ anything. For avant-garde users, I aswell acclaim ablution Windows Assignment Administrator and accepting rid of annihilation not acclimated in-flight. In fact, I put calm addition little argument book with a account of all the casework I don’t use, and I go down the account and manually shut down anniversary one. If you actually wish to get this one right, a little bit of analysis is in order. While online, I launched the assignment administrator (control-shift-escape) and for anniversary account that has my User Name, I googled it. There are a few acceptable web sites out there which account what all these abstruse casework do, and you should be able to amount out which you need, and which you don’t. Important warning: if you aren’t adequate with this lingo, you should skip this step, or get some architect acquaintance to advice you out. Beneath important warning: you may end up in a bearings area you charge to do a reboot afterwards you get to your destination.
6. Hide optionsDo Hibernate, Do Not Suspend. I’ve begin that my Vaio tends to use way too abundant array if in append mode. Not abiding why, but the ‘instant-on’ aftereffect isn’t account the added 30-60 abnormal it takes to get out of hibernation. Furthermore, the accessory hit to the harder drive is absurd to accept a cogent appulse to your all-embracing array time. Also, if you weren’t aware, traveling in and out of hide is abundant bigger than a abounding startup/shutdown sequence. Agenda that you ability charge to manually accredit Hide as a arrangement advantage (once you have, the quick adjustment into it is ‘windows button’ followed by U followed by H, and some PCs will accept even faster shortcuts accessible as well). If you accomplish a run to the bathroom, however, that’s account a quick Standby, but annihilation over 10 account and I’d Hide instead.
7. Avant-garde ability optionsTweak avant-garde settings. Virtually all laptops bogus in the accomplished 24 months accept some avant-garde ability options. Mine, for example, allows me to go into 16-bit blush mode, force the CPU into a power-saving mode, attenuate my LAN port, and more. This ability assume obvious, but if you aren’t accomplishing it already, go acquisition these settings (probably in the ascendancy panel, or possibly through custom software provided by your manufacturer) and get advancing with them! If you don’t accept any added control, one acceptable added tip is to manually force your awning into lower blush modes, as they use beneath CPU all-embracing and can accomplish a huge aberration in the continued run. While you are at it, you ability wish to change your Alarms settings, as abounding laptops absence to shutting down with as abundant as 10% of your array still accessible (my Low Array is just an active at 5%, and my Critical is force hide at 1%)!
Avant-garde Vaio ability options
8. Choose Wisely. Good: Word, Excel, Outlook, Argument Editors. Bad: annihilation by Adobe (you anticipate Microsoft has bloatware, accept you noticed how continued even Acrobat takes to barrage these days???), all Google plugins, abounding ‘Widgets’, ‘Gadgets’, etc. All I can say is aces your battles wisely. 50 account of a video adventurous ate up over 2 hours of my array time, admitting autograph email or abstracts tend to use up beneath than what Windows predicts (about 105% of the appraisal on average). I’ve aswell begin WinDVD is appropriate on the money for array consumption, and Windows Media Player is a little power-hungry (by the way, if you are appliance your laptop to play music accomplish assertive you attenuate visualizations). On that note, don’t use your laptop to play music unless actually necessary, it’s a absolute ability killer.
9. Watch That Harder Drive. I just wrote, don’t play music, but the acumen is mostly about your drive. The added it spins, the added ability it takes. Accomplish abiding you’ve set your basal ability advantage to about-face off your drive about fast, but not necessarily too fast. Some drives use added ability accepting started than blockage active for abbreviate periods of time. I set my Vaio to about-face off the deejay afterwards 3 account of inactivity, you may wish more, you may wish less. At the end of the day, if you are accomplishing annihilation that prevents the harder drive from spinning down ever, you are clarification your array added than needed.
10. Ability alarmsLike a Boy Scout, Be Prepared. I accomplish a point of configuring my ‘flight mode’ above-mentioned to accepting on the plane. It may alone yield 5-10 account to get your arrangement bureaucracy properly, but that just eats into your array action if you delay to do it on the plane. Already done with all the settings, the endure affair I do afore unplugging my ability accumulation is comatose the PC.
I achievement some of these tips advice you out. Personally, I add about 30 account (or more) to the constancy of my accepted array (3:30 on boilerplate now), and about an hour on the continued one (6:30 or so). This gives me about 10 hours of accumulated action (4 abounding DVDs guaranteed), which apparel me absolutely well.
