Printed Circuit Board (PCB): The PCB is the main board that serves as the foundation of the Power Bank PCBA. It is made of insulating material with copper traces that provide electrical connections between various components and circuits.
Battery: The power bank PCBA includes one or more lithium-ion or lithium-polymer batteries. These batteries are responsible for storing electrical energy, which can be discharged to charge external devices.
Charging Circuitry: The PCBA contains charging circuitry responsible for managing the charging of the power bank's internal battery or batteries. This includes components such as charging control chips, power management ICs, and related circuitry.
Protection Circuitry: To ensure the safety of the power bank and the devices it charges, protection circuitry is included on the PCBA. This circuitry helps prevent overcharging, over-discharging, short-circuiting, and overheating.
