07th September 2009
A rechargeable battery (also known as a storage battery) is a group of one or more secondary cells that use electrically reversible electrochemical reactions. Rechargeable batteries come in many different sizes and use different combinations of chemicals....
07th September 2009
In 2007, assistant professor Yi Cui and colleagues at Stanford University's Department of Materials Science and Engineering discovered that using silicon nanowires as the anode in rechargeable batteries increases the volumetric charge density of the anode...
07th September 2009
There are various types of rechargeable AA batteries and their capacity varies with the technology used. These vary from Nickel-cadmium (NiCd or NiCad) AAs with a capacity of 500 to 1100 mAh, cost increasing with capacity, to Nickel-metal hydride (NiMH) A...
06th September 2009
The WEP700 Samsung Bluetooth headset has found its way into many lists of top ten Bluetooth headsets with very good reasons indeed. The WEP700 Samsung Bluetooth headset is a very compact and designed sleekly and stylishly with also good audio quality in m...
06th September 2009
Tired of typing away on your cell phone’s keypad, bored of carrying that stuffy rollup keyboard in your pocket then what you need to take a look at is the Virtual Laser Bluetooth Keyboard.The Virtual Laser Bluetooth Keyboard is one of the most innovativ...
06th September 2009
The Sound ID 300 Bluetooth Headset is quite unheard of compared to other bluetooth headset brands like Nokia, plantronics, Discovery or Motorola , Sound is a brand most people wouldn’t consider when they are buying a Bluetooth headset. The Sound ID 300 ...
06th September 2009
Instead of fitting expensive compact bluetooth technology into a sony ericsson headset Sony has provided a separate small Bluetooth adapters that you can clip on like an iPod shuffle, with a standard 3.5mm jack in which you can plug in any of your favorit...
06th September 2009
Solar Battery Charger is not just any other invention that just rolls out in the market, causes a stir and then fades away. The use of Solar battery charger is not just limited to charging AA batteries. It can also be used to charge cell phones, mp3 playe...
06th September 2009
The Motorola hands free bluetooth headset S9 is quite a unique and stylish model at its price. It is a stylish little Bluetooth headphone that is compatible with all cellphones with bluetooth in them. The Motorola hands free bluetooth headset S9’s flex...
06th September 2009
Alkaline batteries are the disposable kind of batteries which depend upon the reaction between the manganese and zinc to work. Alkaline batteries have good energy density and a longer shelf life as compared to the zinc-carbon batteries. But these same alk...
