Battery life is a weakness in tablet computers

According to reports, Intel recently announced that it will launch the first chipset designed specifically for tablet PCs Oak Trail, hoping to seize a certain share in the tablet computer chip design market occupied by rival ARM. It is expected that at least 35 products using the chip will be available from next month. Fujitsu and Lenovo will be included in the list. It is reported that Intel's biggest selling point for the introduction of chipset is that it can increase the lifespan of tablet products. Tablet PC development so far, the duration of life has become an important criterion for judging the merits of a product.

Battery life is highly valued by consumers. Intel said that the Oak Trail chip has structurally strengthened the battery life of the tablet and the performance technology of viewing high-definition video and audio. It is understood that the new chip can provide 7.5-8.5 hours of battery life, greatly improving the unfavorable shortcomings of Intel chips in the tablet PC market. Oak Trail will mainly attack the business market, and is expected to introduce products using this chip, most of which are corporate tablet PCs equipped with Microsoft's Windows operating system.

In the information age, it is believed that most people will take their mobile phones with them on their trips, and others will love to bring their tablet computers to enjoy the lifestyle of the mobile information age. However, whether it is a mobile phone or a tablet computer is facing the problem of battery life, who do not want to encounter the situation of battery power failure, the phone can also bring a few more batteries, but the battery life of tablet PCs is really a big one.

Most tablet PCs use a built-in battery solution. Take the Apple iPad. For example, the terminal's highly flexible polymer battery can effectively reduce the thickness and quality of the body, but its non-removable design makes it impossible for users to use the second tablet. Battery, so the life time of each tablet is constrained. Product endurance is the most important place for testing the industrial design capabilities of manufacturers. How to improve product endurance under the premise of ensuring excellent product performance, lightness, and thinness is one of the headaches for every IT manufacturer, and to some extent It also determines the fate of the product.

Many netizens have said that buying a tablet computer is for convenience. You don't need to carry a notebook or a netbook to go out. However, the most unsatisfying thing is that a tablet computer cannot carry a battery like a mobile phone. It is easy to read a video or go online. Power off. Because of this, checking the tablet's battery life has become an important standard for many users to buy flat products. The survey conducted by relevant websites on consumer-focused features when selecting tablet PCs also shows that consumers’ concern for endurance even exceeds their interest in performance and screen effects. Therefore, major tablet makers are working on the battery life of their products. Have done enough articles.

All parties concerned will focus on current mainstream products in the tablet market. We will find that front-line terminals have made considerable progress in endurance.

Taking the Apple iPad 2 as an example, the A1315 lithium battery used in the iPad is 3.75V/24.8W, while the iPad 2 has the battery specification of 3.8V/25W and the capacity of 6930mAh. The battery difference between the two is not too large. However, while the iPad 2 maintains the iPad's 10-hour continuous power supply, only about 2/3 of the body thickness of the original iPad model represents the need for system developers to maintain product volume without changing existing system component requirements. The thickness is reduced, while the battery efficiency design.

Look at other manufacturers, Motorola XOOM's battery life is maintained at about 7 or 8 hours; and Toshiba as100 if only for web browsing, its life can be more than 7 hours, the system standby time can be more than a week; Samsung Sliding PC 7 can maintain 5.5 hours of video playback time, and up to 9 hours of battery life.

At the same time, domestic flat panel manufacturers also devoted their efforts to battery life. For example, the Wanhe I9 is ​​equipped with a large-capacity 7400mAh battery, which can achieve 6 hours of continuous use with medium brightness and WIFI enabled. If you turn off the WIFI, turn down the brightness, and use the headphones when you are on the go, the battery life can still be used. Get a big boost.

In contrast, despite Intel's efforts to strengthen its battery life, its advantages are not obvious. It is not as easy as it seems in the imagination of tablet computers in all fields to really gain consumer acceptance. Moreover, the ARM chip market for the tablet PC chip design market is dominating. For Intel to emerge, it requires both the approval of the tablet makers and the user's approval. This is by no means an overnight success.

Tablet PC battery life calls for new technologies Since the endurance capability is so valued by consumers, the major manufacturers are naturally struggling to build products with strong endurance. Whether it is the lock screen standby technology or deep sleep technology, or a dedicated shell, terminal manufacturers spare no effort to improve endurance. Not only foreign manufacturers, but also domestic brands, but on the threshold of balancing the performance of computers and battery life, various manufacturers have not proposed a perfect solution despite all the odds.

Wireless charging technology may solve the battery life problem of the tablet computer in the future. Wireless charging technology uses the "resonance" principle of physics - two objects with the same vibration frequency can efficiently transmit energy. Magnetic resonance is used to transfer charge in the air between the charger and the device, and the coil and capacitor form a resonance between the charger and the device. This technology is expected to be widely used in the future, such as charging areas for electric vehicles and power transmission to computer chips. The charging system developed using this technology requires only one-hundred and one-fifth of the current charging time. Although this technology is currently mainly used for smart phones or electric vehicles, it has not been possible to develop in the tablet area. With smartphones, tablets, and other devices that are full of "hungry" power, the demand for breakthrough charging technologies such as wireless charging is increasing. Fujitsu stated in a statement: "This technology will pave the way for mobile phones to integrate compact wireless charging functions and charge multiple portable devices at the same time. When charging multiple devices, the device has no position relative to the charger. limit."

If the wireless charging technology can be successfully applied to the field of tablet computers, then only the relevant departments to install wireless charging equipment in public places, then the "power" problem of tablet computers and smart phones will be solved, regardless of the IT vendors or consumers It is a great gospel.

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