Now-a-days, the need of wireless technology is increased because of mobility, low cost and easy to maintain. This technology is commonly used for transferring the digital information over the air medium. The wireless power transmission technology is well suited for transferring power to the home appliances without wires such as smart phones, tablets, LED TV’s, DVD player and home lighting systems and also for military surveillances. Commonly the Electro Magnetic (EM) waves are used for transferring the electric power through air to get a device powered.