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Do you know how is battery made? Today I will take Ni-mh battery and Li-ion Battery as examples to tell you the pricinple of them.
Nickel-Cadmium Batteries–Ni-mh rechargeable battery
Smaller than the lead acid variety are nickel-cadmium, or NiCd batteries. These rechargeable batteries use nickel oxide hydroxide as the cathode and metallic cadmium as the anode, with [...]

Apple ipad is milestone in the field of electronic gadgets. Apple Inc. is the leader in laptops, Personnel Computers, Computer softwares and iphones. With 1 GHz Apple A4 Power VR SGX 535 GPU processor iPad is available in the market with iOS 3.2 and two models Wi-Fi one and the Wi-Fi + 3G enabled one. [...]

Western Digital Corporation – SWOT Analysis company profile is the essential source for top-level company data and information. Western Digital Corporation – SWOT Analysis examines the company’s key business structure and operations, history and products, and provides summary analysis of its key revenue lines and strategy.
Western Digital designs, manufactures and markets hard disk drives [...]

Two way radios such as Family Service Radios (FRS) and General Mobile Radio Service (GMRS) radios have one power setting and the power output is determined at the factory. This output is heavily regulated by the Federal Communications Commission (FCC) and different types of license allow different maximum power. The Amateur radio license specifically mandates [...]

We often set our sights on price, weight, figure and configuration when we purchase a new laptop. Battery is often ignored. In fact, battery and integral performance of a laptop are inseparable. Battery is as important as CPU, mainboard, hard disk etc. We list the tips and guideline below. Let’s get the most of your [...]

A cordless drill can be an excellent tool for home improvement jobs or commercial jobs. There are many different volt sizes of batteries for a cordless drill. They come in 9 volt, 12 volt, 18 volt and some 24 volt. Of course, the higher the voltage, the stronger the drill.
Improve a makita cordless drill battery [...]

The increasing demand for energy-saving and environment-friendly technology is driving the growth of the Global Phase Change Material (PCM) Market. The global PCM market is expected to grow from $300.8 million in 2009 to $1,488.1 million in 2015, at an estimated CAGR of 31.7% from 2010 to 2015. The paraffin-based PCM market commands the largest [...]

For reasons we don’t fully understand, Philadelphia has become the mobile broadband mecca of America. A few months ago, Clear and Sprint began selling 4G mobile WiMax service in the larger metro area (promising 3 to 6 Mbps), including nearby areas of New Jersey. And just last week,Sony, T-Mobile announced that it will be offering [...]

The Canon lp-e5 battery replacement is a deliverer for aging canon digital camera accessory. It can deliver power to digital camera when canon DC is nearly power off. Maximize charge the Canon lp-e5 battery to supply digital camera more power to have more fun.
When buying a replacement power, a battery, think carefully regarding the demand you place on on yours digital camera when you are away [...]

For those who work as a professional photographer, printing quality photos is required. Since photographers tend to take picture frequently, most of them are using their own photo printers so that they can easily print out many copies of photos based on their leisure. At this time, this article is going to provide you some [...]