Inductive charging (wireless charging)

1. Background

1.1. Subsitutes of PowerBank

1.2. using Wireless Power Consortium (WPC)

1.3. inductive charging have used since the early 1990s

2. Advantages

2.1. Protected connections

2.2. Safer for medical implants

2.3. Durability

3. Disadvantages

3.1. Lower efficiency

3.2. Slower charging

3.3. More expensive

3.4. Inconvenience

4. Application

4.1. Mobile Phone

4.2. Battery Electric Vehicle(BEV)

4.3. Electric Toothbrush

4.4. Electric Razors

5. Characteristic

5.1. transfer energy between two objects without connenction