Hot Selling Fast Charging PD 20W Power Bank Quick Charge Power Bank Y-BK008/Y-BK009

Power Bank is a portable device that can charge your electronic devices on the go. It is also known as a portable charger or external battery. Power banks are common gadgets nowadays, and they provide a great solution when you are on the move and don't have access to an electrical outlet. Here are some key product knowledge points about power banks:

1. Capacity: The capacity of a power bank is measured in milliampere-hour (mAh). It indicates the total amount of energy stored in the battery. The higher the capacity, the more charge it can store and deliver to your device.

2. Output: The output of a power bank is the amount of electricity it can deliver to your device. The higher the output, the quicker your device will charge. The output is measured in Amperes (A).

3. Charging Input: The charging input is the amount of electricity a power bank can accept for charging itself. The charging input is measured in Amperes (A).

4. Charging time: The charging time of a power bank depends on its capacity and input power. The larger the capacity, the longer it takes to charge, and the higher the input power, the shorter it takes to charge.

5. Compatibility: Power banks are compatible with a wide range of electronic devices, including smartphones, tablets, laptops, and cameras. However, it's essential to ensure that the power bank is compatible with your device's charging port.

6. Safety features: Power banks come with safety features such as overcharge protection, short circuit protection, overcurrent protection, and over-discharge protection to ensure their safety during use.

7. Portability: One of the most significant advantages of a power bank is its portability. It is small and lightweight, which makes it easy to carry wherever you go.

Power banks are reliable sources of power when you need to charge your electronic devices on the go. Some critical factors to consider when buying one are capacity, output, charging input, charging time, compatibility, safety features, portability, and the type of power bank.