Now you can wirelessly charge compatible devices simply by placing them on a wireless charging accessory or pads. With a single connection to the outlet, you can keep the area free of tangled power cords.
How it works:
Wireless chargers use an induction coil to create an alternating electromagnetic field from within a charging base , and a second induction coil in the portable device takes power from the electromagnetic field and converts it back into electrical current to charge the battery. The two induction coils should be in proximity combine to form an electrical transformer. Greater distances between sender and receiver coils can be achieved when the inductive charging system uses resonant inductive coupling. Recent improvements to this resonant system include using a movable transmission coil ie. mounted on an elevating platform or arm, and the use of advanced materials for the receiver coil made of silver plated copper or sometimes aluminium to minimize weight and decrease resistance due to the skin effect.
wireless chargers are capable of charging smartphones, tablets, Bluetooth head sets, cameras and portable power packs. Though your handsets should be compatible to wireless chargers.
Comparing traditional chargers it is has advantage and some disadvantages .
Advantages:
1. Greater convenience and ubiquity for charging of everyday devices.
2. There is significantly less wear and tear on the socket of the device and the attaching cable.
3. Prevent corrosion from water or oxygen in the atmosphere.
Disadvantages:
1. Lower efficiency, waste heat – The main disadvantages of inductive charging are its lower efficiency and increased resistive heating in comparison to direct contact.
2. Consumes more power to charge the mobile. devices can take longer to charge when supplied power is the same amount
Newer approaches reduce transfer losses through the use of ultra thin coils, higher frequencies, and optimized drive electronics. This results in more efficient and compact chargers and receivers, facilitating their integration into mobile devices or batteries with minimal changes required.[3][4] These technologies provide charging times comparable to wired approaches, and they are rapidly finding their way into mobile devices.
Related links:
1. Add Wireless Charging to Your Smartphone.
2. Wireless charging.
