What estimable is a notebook that die two hours after it ’s unplugged from the bulwark ? Not much . We ’ve created a list of the clamshell that course the distance on the LAPTOP Battery Test ( continuous vane surfboarding over Wi - Fi ) . Each machine lasts ( at least ) to the 7 - 60 minutes mark , but some systems use heavy , sold - separately bombardment to stick around fighting up to 20 time of day . See for your yourself below .
Looking for a battery that can make it through the day without having to be tied to a power outlet ? Laptop Magazine ’s Kenneth Butler has you covered with his rundown of10 long - go laptops .
Lenovo ThinkPad X230
Consider the Lenovo ThinkPad X230 the poster - laptop computer for scheme with optional batteries . The 12 - inch ultraportable ships with a 6 - electric cell shelling that lasts a decent 7 hours , but the sold - individually 9 - electric cell option pushes the juice provision beyond the 12 - hour mark . If that ’s not enough productivity time for you , the X230 also work with a sheet - barrage fire that , when mate with the 9 - cell , helped the system ladder an epic 20 hours ! [ Review ]
Lenovo ThinkPad T430
When configuring the ThinkPad T430 , you ’ll have to devote an superfluous $ 50 to advance to a 9 - cubicle barrage , but considering that this notebook has the best keyboard you could get , you ’ll want to use it all day long and then some . With it ’s extended barrage alongside , this hefty portable lasts a humongous 13 hour and 25 second . [ Review ]
Lenovo ThinkPad Carbon X1
For its $ 1,249 starting monetary value , the 3 - Irish pound , .76 - inch thick Lenovo ThinkPad Carbon X1 come with some impressive specs , including a libertine Core i5 CPU , a indestructible carbon roll cage , and a 14 - inch matte screen with a 1600 x 900 resolution that offer up bright whites than the MacBook Air . skilful of all , the sealed - in shelling provides a strong 7 hours and 45 second of endurance . [ Review ]
Dell Latitude E6430
For a 14 - column inch notebook with more than one type of staying power , the undestroyable Dell Latitude E6430 is a self-colored alternative . We say that not only because of its Tri - Metal physical body ( made of magnesium alloy , brand hinges , and chrome bumpers ) , its spill - tolerant keyboard , and its MIL - STD 810G - grade resistance to degree , junk , and drops , but also for the 10 hour and 37 minutes the E6430 ’s 9 - prison cell battery provide during our tests . That barrage choice costs an extra $ 79 bucks , but durability and long battery life like this is worth the surplus immediate payment . [ Review ]
Sony VAIO SE
Sure , the Sony VAIO SE ’s sheet barrage adds $ 150 to the medium - friendly notebook ’s $ 929 start price , not to mention 1.3 pounds to its lightweight 4.4 - pound frame , but with 10 hours and 35 minute of portable power , the added immediate payment and heft are worth it . The bombardment sheet will go a long way toward helping you check beautiful picture and video on that 1920 x 1080 , lustrelessness display , all without the want to plug away into a power outlet . [ Review ]
Dell XPS 14
Meet one of the beefiest Ultrabooks on the block . The thick - sided Dell XPS 14 weighs a thumping 4.8 pounds ( about a pound or two heavier than many other Ultrabooks ) . Sometimes , though , the heaviest loads bear the most yield . A bulky 64 - watt barrage supplies the XPS 14 ’s added heft , but lifts this 14 - inch notebook computer to a battery life-time of 8 hours and 14 minute , a result that outlasts much of the Ultrabook competition , include ( just slightly ) the Apple MacBook Air ( 8:10 ) . [ Review ]
Apple MacBook Air
The Apple MacBook Air just gets better and better . Not only does the 2012 model max out with a barrage fire life of 8 hour and 10 proceedings , but it also packs a faster Intel central processor , adds USB 3.0 ports , boasts play - suitable integrate graphics , and costs $ 100 one dollar bill less than the late model .
All those improvement set into the same compact , 3 - pound , individual - body Al human body , generate notebooks buyers a standard - comportment ultraportable with a sweet outside , performance - minded computer hardware and enough shelling life for the road . [ Review ]
Apple MacBook Pro with Retina Display
Apple provide several telling ironware tweaks on the latest MacBook Pro . The most noticable is the 2880 x 1800 - pixel Retina Display , which tallies up to more than 5 million picture element on a 15 - in board .
What kind of battery can power a screen like that for 8 hours ? Apple ditched the mechanical drive in aged MacBook Pro ’s in party favour of flash memory , then used the superfluous space to shoehorn in a larger 95 - watt hour battery ( up from 77.5 - James Watt hours in the previous good example ) . The result ? A long - lasting organization with enough juice to power the best 15 - in show we ’ve ever visualise for 8 hours and 2 transactions .[Review ]
Toshiba Portege R835
It ’s not the svelte ultraportable on the store ledge , but the Toshiba Portege R835 pack power and performance for any ferment professional in want of a traveling - ready laptop . For $ 799 , the system ship with Core i5 power , 4 GB of RAM , a 640 GB unvoiced drive , and a battery that lasted 7 hour and 35 minutes on the LAPTOP Battery Test . [ Review ]
Acer Aspire TimelineU M5-581TG-6666
If it ’s a lean , powerful , and long - lasting microcomputer you ’re expect for , Acer Aspire TimelineU M5 - 581TG-6666 firs the billhook . This 15.6 - inch media - minded laptop lasted 7 hours and 29 minute on a burster , and , for $ 829 , include a low-toned - voltage Core i5 processor , 6 GB of RAM , a 500 GB hard movement and Nvidia GT 640 M LE computer graphic that aid it wipe out the challenger on our graphics benchmarks . What ’s more , all that performance and powerfulness come in a chassis that ’s just .81 - inches thin.[Review ]
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