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ASUS AP21-MK90 Battery

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ASUS AP21-MK90 Battery

Battery information and statistics can be found in the "Power" section in the System Profiler utility. These levels along with other statistics such as charge status, number of cycles, and other information are stored in the battery and are just reported to the computer. This information can be found in the System Profiler utility (available in the Utilities folder, or by selecting "About this Mac" in the Apple menu and then clicking "More Info..."). In System Profiler there is a Hardware section, and if you click the Power subsection, then you will see battery statistics (number of full charges, charge status, capacities, remaining capacity, etc.)While it is most common to use the computer to calibrate the battery, this technically can be done by any system that will charge it up fully, and then drain it fully. The battery will hold these charge values and report them to any system that can read them. Therefore you should be able to calibrate a battery in one system and then use it in another.The one caveat to swapping batteries is the power level at which the system will assume you are running low on battery power will be managed by the system management controller, and if there is a faulty setting in the system management controller, then the computer may go into precautionary sleep mode prematurely. This is independent of the batteries and their calibration status, but will affect the system's power usage. Therefore it may help to reset the SMC for the machine that you have swapped the battery to.

Pressing the power button should bring up this window, which you can use to sleep the computer. While you can always shut down your system to swap out the battery, or keep it plugged in to an external power source when swapping, you can also make use of the Mac's deep-sleep mode if you only have a battery available.Be sure to save your work if you can, and then put your system to sleep by using either the Apple menu or by press the power button once and choose the sleep option from the presented options. Wait for the light on your Mac to begin pulsing, which indicates the RAM's contents have been written to the hard drive, and then swap the batteries. When the new battery is in place, power on the system and you should see the system wake from deep-sleep mode with a gray progress indicator shown over the desktop.Proper care for batteries is something that is often overlooked by laptop owners, and Apple has some dedicated resources available for helping people ensure their batteries last as long as possible. These include tips on storage, calibration, and overall use of the batteries on both laptops and Apple's other mobile devices.

Hewlett Packard on Monday said that its long-lasting Enviro laptop batteries from Boston Power are available with a three-year warranty.The batteries costs $149.99 and fit 18 of HP's laptops. They can be purchased online now and will be available in stories later this month. HP has branded Boston Power's Sonata batteries under the Enviro name to emphasize the environmental attributes. With a longer-lasting battery, consumers need to upgrade less often, which reduces the number of batteries that need to be recycled, HP said in a statement.Last year, an HP representative estimated the Enviro line costs about $20 to $30 more than traditional batteries.For start-up company Boston Power, the product release is a significant milestone.Company founders started three years ago with a fresh design to improve the performance and environmental sustainability of laptop batteries.While typical laptop batteries start to lose performance after 100 or 150 charges, Boston Power says that its batteries can be charged 1,000 times and get "like new" performance.

Boston Power also sought to use the environmentally conscious materials, eliminating the use PVC plastic andheavy metals cadmium, arsenic, or mercury in the manufacturing process.In January, Boston Power raised a series D round of $55 million in capital in a difficult financial environment. It plans to expand its laptop battery manufacturing and move into different product categories, including mobile gadget chargers and transportation.When I reviewed the last Vaio SA configuration, the Vaio SA21GX/BL back in the summer of 2011, I certainly appreciated the size and weight of this trim 13-incher. In a chassis slightly lighter than a MacBook Pro, the Vaio SA included a DVD drive and dedicated AMD graphics in a package with plenty of customizable upgrades (Blu-ray, SSD). Unfortunately, the price of the higher-end Vaio SA started at over $1,000 and got progressively higher from there. Also, while the Vaio SA has an optional slice-style sheet battery that doubles up on run time away from an outlet, the thick $150 add-on isn't as ideal a solution as a better integrated battery.

The early 2012 version of the Vaio SA--the Vaio SA41FX/BL--is pretty similar to last year's model: same AMD Radeon HD 6630M graphics, same screen and chassis build. Slightly upgraded processors are the only real change. Sadly, the price hasn't seen a big drop: the entry-level Vaio SA is $1,029. Now, a note to Vaio S shoppers: there is a more affordable model Vaio S, known as the Vaio SB, without the bells and whistles of our SA version, starting at $799 with a Core i3 processor. In our Vaio S, the price bump reflects a better Core i5 processor, faster graphics, a higher-res 1,600x900-pixel screen, a fingerprint reader, HD Webcam, and optional SSD storage and mobile broadband. Basically, the Vaio SA is the pro version of the Vaio SB. Why Sony needed to make the decision so confusing is anyone's guess.

In early 2012, the real disconnect I have with the Vaio S is simple: its battery life runs a bit too short for my tastes, and the price seems high. Otherwise, the Vaio SA might be a laptop worth looking into if you don't care for an ultrabook, or crave an optical drive (better yet, check out the Vaio SB and compare specs). At first glance, the Vaio S owes a lot to the design aesthetic of the more expensive Vaio Z. Some people sitting in coffee shops might even assume this is a Z. Angled edges and a slim profile look nearly identical to the Vaio Z we reviewed recently. The all-metal aluminum case over a magnesium alloy frame is sturdy, but it's so lightweight that it can fool you into thinking it feels slightly flimsy.One thing the Vaio S isn't is an ultrabook. It is a pound lighter than the MacBook Pro, but a bit heavier than the HP Folio 13 or Toshiba Portege--certainly easily portable, but nowhere near the wafer-thin sexiness of ultrabook 13-inchers. It's a tweener, but soon enough regular laptops will all start off as thin as this Vaio S.

The Vaio S actually comes in two model variations: Sony decided to bifurcate the line a little with the confusingly named SA and SB, positioned at lower- and higher-end starting prices. The Vaio SB comes in five colors--blue, pink, red, white and black--and starts with more scaled-back specs (Core i3/i5), whereas the Vaio SA comes in jet black, carbon fiber black, or platinum silver and has higher-end CPU options (Core i5/i7) and better AMD Radeon graphics. If you're shopping on Sony's Web site, it's best to do the comparing and contrasting yourself.The similarities to the Vaio Z continue in the interior of the Vaio S; the raised keyboard and a dedicated row of launch buttons feel extremely similar. The hinge, however, is different. On the Vaio S, a chromed center-connected hinge floats near the middle of the laptop's back end, adding a more retro-angled feel to the design. The upper lid demonstrates a flexy feel when opening and closing, just like it did with last year's Vaio S. The hinge feels better than before, tighter, with opening and closing action smooth but stiff at any angle. The Vaio SA's lid opens up to a wider-than-average angle, past the standard 45 degrees, offering some better visibility when lap-typing or working at a low desk.

A large palm-rest area frames an otherwise normal-size touch pad. Its smooth surface responded better than the average to multitouch gestures and motions; tucked beneath is a pair of discrete buttons that run right to the front edge. Between them is a small fingerprint sensor, which can be programmed to store passwords for extra security. The wide keyboard features island-style keys with plenty of space between. The keys are set in a slightly recessed tray, leaving the tops of the keys about flush with the palm rest below. Like Apple's keyboards (and unlike many other Windows laptops), the Enter/Shift keys are unencumbered by any added column of awkward keys on the right side, which makes typing a lot less cramped. The Vaio S's keyboard is backlit, a welcome addition for low lighting. On our black-colored unit, the key backlighting worked perfectly (I remember that on the Platinum version it created some key visibility issues from all the reflective silver).

The hard lines and extra buttons lend the whole laptop a bit of a throwback feel, but--especially in the black model--it comes off as somewhat timeless and attractive. One thing I didn't like? "Stamina/Speed." Sony seems to love to add specific Assist, Web, and Vaio keys above the keyboards of many Vaios like this one, but the dedicated keys are largely unnecessary. A physical Stamina/Speed performance switch on the upper left feels like a joke (after all, don't we want stamina and speed at the same time?), but is essentially a graphics on/off switch with processor turbo boost. The included AMD Radeon graphics don't switch off and on automatically, and this is the Vaio S' method of balancing power consumption. The physical switch is clunky: programs have to be quit and the laptop briefly flickers as its mode is switched. We're so used to automatic graphics just as those on Apple's laptops or Nvidia Optimus-equipped notebooks that we found this option off-putting.

The 13.3-inch matte screen is better than most, with strong viewing angles and crisp, bright color. The Vaio SA comes standard with a 1,600x900-pixel resolution screen (the less expensive Vaio SB has a 1,366x768-pixel display). It might seem excessive on a 13-inch laptop, but it's not; the added screen real estate is a workflow optimizer, fitting more programs onscreen at once. Text still remains largely readable, if on the condensed side.The built-in stereo speakers sounded solid, and louder than we expected to hear. I wouldn't say the Vaio S is an ideal media laptop, but it's a pretty sharp way to consume videos on the go--and if you've decided to upgrade to Blu-ray and a higher-res screen, this adds up to one of the most compact media-friendly 13-inchers I've seen.

  1. http://www.neighbour123.com/blog/show/batteria-fujitsu-lifebook-b3010d
  2. http://www.useek.com.au/myblog/index.php?blog=http://wwwakkusmarktcom
  3. http://blogsinn.com/?w=akkusmarkt

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