A wireless charging stand uses a power transmission pad that is akin to the charger that would be used in a normal wired system and a compatible wireless power receiver that is located in the device to be charged. The power is then transmitted to the device through magnetic induction. The wireless charging stand is divided into two categories, the low-power chargers that transmit power in the range of 0-5 watts and include portable devices such as mobile phones, music players, and Bluetooth earpieces. The medium power chargers on the other hand can deliver up to 120 watts. Wireless charging is important because of the following factors;
- It is convenient: Wireless charging is convenient in situations where electrical contact is not acceptable and the battery is embedded in the product or when the product cannot be reached. It is commonly used in medical devices and food products where electrical shock or bacteria levels must be kept to a minimum and no electrical contacts are allowed. Also, no matter what brand of phone you have, as long as it is compatible with the wireless charging stand head, it can be charged.
- Cheaper: The cost associated with wireless charging stands has come down significantly due to their increased popularity in the portable device market.
- It is flexible: In most applications of the wireless stands, the distance between the coils is normally 5mm, but can be adjusted to a distance of up to 35mm between the coils. It also reduces significantly the number of cables and power adapters you need to have custom-made for your devices or applications.
- It is time-saving: Wireless charging can deliver between 5 watts to 10 watts of energy to the battery. It can also charge your battery at a faster rate depending on the size of the battery pack.
- It is durable: A wireless charging stand does not require frequent plugging and unplugging as in wired charging systems, this reduces the wear and tear of the data interface. Also, the coil of the wireless charging is not exposed to air, therefore, reducing the oxidation and subsequent corrosion of the charging unit.
Although the wireless stand is still a transition technology, the best wireless charging stand from dgngadgets.com tries to keep the efficiency as high as possible by ensuring the coupling between the transmit and the receive coils is also as high as possible. This solely depends on the position the mobile device has been placed on the stand. This can be achieved either through: guided positioning; involving the use of means to guide the mobile device used to place the mobile in the correct place in the base station for charging or placement anywhere; where the mobile device user is not required to place the device accurately on a particular area of the wireless charging stand, but instead a wider area can be used. Usually requires more than one transmitter coil.
