COMPAQ Presario 2800 Battery
- fasophiafrance
- 2016年5月26日
- 讀畢需時 10 分鐘
For me, the depletion is still tolerable. But if your Full Charge Capacity is drastically lower than the Design Capacity, you might want to find out if it's possible to replace the battery.iBall on Wednesday launched the CompBook Excelance and CompBook Exemplaire laptops in India. Apart from their screen sizes, both laptops have almost similar specifications and will be available across the country starting Thursday, and through major online retailers from next week.
The CompBook Excelance is priced at Rs. 9,999, while the CompBook Exemplaire is priced at Rs. 13,999. Excelance is priced lower because it sports an 11.6-inch HD (1366x768 pixels) display and weighs 1.1kgs. In comparison, Exemplaire has a larger 14-inch HD (1366x768 pixels) display and weighs 1.4kgs.All the other specifications remain the same. Both the laptops run on Windows 10 out-of-the-box. They are powered by an Intel Atom Z3735F processor (four cores, four threads, 2MB L2 cache, 1.33GHz base clock, 1.83GHz Burst clock) paired with 2GB of DDR3 RAM. The CompBooks have a VGA (0.3-megapixel) webcam and 32GB of internal storage. The storage is further expandable via microSD card slot (up to 64GB).
Furthermore, the laptops both pack a 10000mAh battery. The company claims that the battery can last up to 8.5 hours of usage, 31 hours of standby, 25 hours of music playback and 8.5 hours of video playback. There's a single 3.5mm combo jack for mic and headphones. The laptops' house dual speakers at the back, and have basic connectivity options like Wi-Fi, Bluetooth, HDMI port, and two USB 2.0 ports.The TouchPad on the laptops have multi-touch functionalities, which means it understand certain gestures as shortcut commands. For example, pinching in and stretching out your two fingers will zoom in and out of the screen respectively, and swiping the three fingers on touchpad away from you will get all the windows to open at once.Both the laptops come with one-year company warranty. iBall has also introduced CompBook Excelance Pro and CompBook Exemplaire Pro which come pre-loaded with the Windows 10 Pro version. The prices for these laptops are Rs. 19,999 and Rs. 24,999 respectively.
Download the Gadgets 360 app for Android and iOS to stay up to date with the latest tech news, product reviews, and exclusive deals on the popular mobiles.Anyone who has purchased a Toshiba laptop between June 2011 and January 2016 in the US or Canada needs to check their model number. Toshiba is carrying out a huge battery recall totaling 101,000 batteries due to a risk of burning or fire.The announcement was made through the Consumer Product Safety Commission and is being carried out due to the potential for the battery packs to overheat to the point where they can burn the user or start a fire. The batteries in question were manufactured by Panasonic in China and Japan with 4 incidents of batteries overheating and melting being reported so far.A total of 91,000 laptop batteries are affected in the US, with a further 10,000 sold in Canada. Satellite, Satellite Pro, Protege, and Tecra models are all included in the recall. Toshiba has setup a web page detailing the specific battery pack part numbers carrying the risk along with the laptop models that shipped with them. There is also a utility which will check for you and detailed instructions on who to check manually.
Luckily, there are a few ways you can get an accurate measure of battery life, not just for your model of laptop, but for your specific machine and your usage habits. Follow the steps below for some easy-to-use methods. Related: Work that battery magic with these 11 tricks and tips to extend your laptop battery
Battery settings Before we start, make sure your power plan is configured exactly how you want it. Windows works hard to last long at the default settings, but if you’d like to tweak it to your particular usage, you can. In Windows 7 and later, the tool you’re looking for is “Power Options” — just use the Start button or Windows button, then search for “power options” and click the first result.
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Do you like the idea of being handcuffed to an electrical socket all day? Unfortunately, a number of PC vendors think you won't mind too much. Lately, we've seen a number of high-profile laptops and 2-in-1s with pitiful battery life, despite their premium price tags and lofty marketing claims. In an attempt to stand out on the shelf, PC vendors are piling power-gulping components into emaciated designs with small batteries, while boasting about all-day endurance. You need to question these numbers and fight for your right to battery life. Detachable 2-in-1s — the devices whose tablet portion lifts off of the base — are the worst offenders, but they're far from the only ones. On the Laptop Mag Battery test, which involves continuous Web surfing over Wi-Fi at 100 nits of brightness, the Surface Pro 4 lasted just 6 hours and 5 minutes on a charge, while the HP Spectre x2 managed just 6:31 and the new Dell XPS 12 crapped out after just 5:17. On their respective sites, Microsoft claims the Surface Pro 4 will endure for "up to 9" hours of video playback, HP says the Spectre x2 will go for "up to 10 hours" and Dell just writes that the XPS 12 will let you "stay untethered for even longer." HP's Envy 13t, a regular clamshell laptop, which the company claims will last for "10 hours of tireless productivity," died after just 5:48 of Web surfing. Samsung's $1,600 Ativ Book 9 Pro, a thin-and-light 15-incher that's portable enough to carry anywhere, lasted only 5:31 on our test, which is an hour less than the 6.5 hours Samsung cites on its spec sheet.
At first glance, 5 or 6 hours of battery life may not sound horrible, but it's important to remember two things: First, the average ultraportable laptop lasts 8 hours and 20 minutes on this test, and some systems last much longer. For instance, the 13-inch MacBook Air offered 14 hours of endurance, actually 2 hours longer than Apple claims, but the system benefits from a lower-resolution display, which uses less power. The nontouch version of the Dell XPS 13 with a full-HD display lasted 11 hours and 54 minutes (Dell claims "up to 18 hours"), and the touch version with an even sharper, quad-HD screen lasted a fairly good 8:08. It's also worth noting that our battery test is more demanding than what vendors use to puff up their claims. Manufacturer battery tests are based on either wishful thinking or an unrealistic workload. MobileMark 2014, the most popular test amongst PC makers, runs a series of local applications but requires that your laptop be connected to a router but disconnected from the Internet. The test can also be run with screen time-outs during "idle periods."
Others vendors, such as Microsoft, use video rundowns, which involve playing a movie — usually a clip saved locally on the laptop — on continuous loop until the battery runs out. However, most CPUs are designed to use a lot less power when playing video than when performing other tasks, and if the video is a local file, the device doesn't even have to connect to the Internet. According to a note on the bottom of its Surface Pro 4 product page, Microsoft states, "Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network." There is no word on whether Surface was streaming the video from the Internet or running it locally and what the exact brightness and screen settings were.
Like a car that gets 30 miles per gallon if you drive at the speed limit without hitting traffic, your laptop's endurance will vary based on how you use it. For the Laptop test, we tune the screen brightness to 100 nits; on most notebooks, that's less than 40 percent of the maximum. The average laptop screen hits 272 nits and, let's be honest with ourselves, how often do you run your laptop at a higher brightness?You probably do spend most of your time in the Web browser, the act our test is designed to simulate. But if you have other applications open or just a lot of tabs, you're taxing your laptop more than our test does. If you're doing productivity work with the brightness turned up, one of the laptops or 2-in-1s above could die on you after 4 hours.
When TechRadar tested the Spectre x2 on PCMark 8, a benchmark that includes a combination of Web surfing and offline tasks, the device lasted only 3 hours and 54 minutes, over 2.5 hours less than we got. However, the site's review listed "decent battery life" as one of the 2-in-1's strengths. The reason battery life is so bad on many laptops is that manufacturers are in an endless arms race to make the thinnest device while adding features such as touch screens and 4K resolution panels. Both of those components consume a lot more power than a nontouch, 1080p display.
For example, a user review of the 4K version of the XPS 12 from Dell.com states, "Battery drains FAST. Maybe got 3 hours of viewing streaming videos and checking email." That's over 2 hours less than we got when testing a 1080p configuration. The delta between the XPS 13 with and without 4K touch was over 3.5 hours. Even leading business systems are sacrificing endurance for slightly thinner frames. At CES, Lenovo announced it was removing battery capacity from our favorite productivity laptop. The new ThinkPad T460s is thinner and lighter, but it promises just 10 hours of battery life with a sealed-in battery. Its predecessor, the T450s, had a hot-swappable unit that lasted 15.5 hours on our test (Lenovo claimed 17 hours).
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Why You Need Long Battery Life, Even if You Don't Think So Unfortunately, far too many consumers fail to understand the value of long battery life, because they think endurance is only necessary when you're traveling. However, even when you're at home and there are outlets in every room of the house, you shouldn't be tethered to an outlet. You would never buy a smartphone that has to stay plugged in all day, so why would you accept that experience from your laptop? In my house, if I need my laptop to stay plugged in, I can only sit on one side of the couch. I have to avoid working at the dining room table, and my toddler keeps tripping over the cord, threatening to pull the laptop down onto the floor. Fortunately, I use a laptop that lasted 14 hours on our battery test and really endures for a solid 7 to 9 hours of my work. If I use my computer in bed for a couple of hours before I go to sleep, I can stick the device in my nightstand drawer and not worry about charging it until another couple of nights have passed. Every laptop owner should have the same experience.
As a consumer, you can vote for a better laptop market with your wallet. Buy laptops that, on objective tests, get at least 50 percent more battery life than you think you'll need in a day. If you think you might really use your laptop away from a desk for 5 hours a day, get something with 8 or 10 hours of battery life as measured by us, not by marketers. You may end up with a slightly thicker laptop, but you'll be a lot happier not being shackled to the wall. HP has revealed a new HP Spectre 13.3, that the company is claiming is the world's thinnest laptop measuring just 10.4mm thick. Launched at the New York Times International Luxury Conference in Versailles, the laptop will feature a CNC machined aluminum chassis and even come in a limited edition version complete with diamonds and 18K gold touches. But thin doesn't mean dumb. The new Spectre will feature an Intel Core i5 and i7 processors a HD 13.3-inch diagonal edge-to-edge display and Bang & Olufsen sound. Think of this as the company's answer to the Apple Macbook, but with a bigger screen, more power, and a lot more bling. That ridiculously thin chassis has been made possible by using an array of different materials in the design including a carbon fiber bottom rather than a metal one like the Dell XPS 13 or the Apple MacBook. The carbon fiber parts also mean the laptop weights just 1.1kg.
Going all out, the new HP laptop will "feature high gloss copper accents reflect a hand-polished, jewelry-like finish and an innovative hidden piston hinge creates the illusion of a hinge-less design to offer an unmatched premium look-and-feel," says HP. Further tech specs including three USB Type C connectors, two of which will support Thunderbolt, storage up to 512GB, and memory options up to 8GB of RAM. HP states that you'll get up to 9.5 hours of battery on a single charge thanks to some clever trickery with the internal batteries.
As for the gold and diamond version? Created by Tord Boontje and Jess Hannah, a limited number of devices from each designer will be auctioned at the Cannes Film Festival in May with the proceeds going to the Nelson Mandela Foundation. Dutch-born, London-based designer Tord Boontje created the HP Spectre by Tord Boontje that exhibits delicate, intricate and dreamlike patterns across the laptop. The ornate graphic pattern integrates cherry blossoms, graceful florals, a peacock and an exquisite butterfly. The 18K gold plated accents provide rich contrast with the patterns that gently intertwine with embedded Swarovski crystals set in a floral pattern against a deep Midnight Blue. Jess Hannah, a Los Angeles-based jewelry designer of eponymous line J. Hannah, created the HP Spectre by J. Hannah with opulent 18K gold. The notebook top and rear is completely plated in 18K gold with a highly polished finish. HP's logo is encrusted with diamonds, each carefully placed by a diamond setter. Even the keyboard deck is plated in 18K gold to match the top cover and the power button is covered with diamonds for sparkling brilliance. The all over gold accented with a hint of sparkling diamonds displays Hannah's minimalistic design philosophy.
The Spectre 13.3 goes up for pre-order on April 25th in the US for $1,170 and up. It will be available in Best Buy stores the following month, on May 22nd, with configurations there starting at $1,250. Sometimes something happens in the mobile tech world that just seems plain weird - a tech firm does something inexplicable, for its own reasons that are never revealed, and we're left to stand around scratching our heads in confusion. That's what happened when Samsung launched the Galaxy Note 5 in September 2015, but decided to restrict availability to Asia and North America - the rest of us in Europe, the UK, and elsewhere, were left with the Galaxy S6 edge+ as our only updated Samsung phablet option for the forseeable - not a bad phone at all, a really rather great phone, in fact, but NOT a Galaxy Note device.
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