A power bank is a portable device that can supply power from its built-in battery through a USB port. Power banks are popular for charging USB charged devices and can be used as a power supply for numerous USB devices such as small fans and lights. Generally, they recharge with a USB power supply. Furthermore, a power bank includes a control circuit that regulates charging of the battery. It also converts battery voltage to 5.0 volts for the USB port. There are different types of portable battery packs including a lithium-ion battery, lithium-polymer, nickel-metal, nickel-cadmium, etc.
The global Portable Battery Pack (Power Banks) Market was accounted for US$ 877 Mn in terms of value in 2019 and is expected to grow at CAGR of 8.0% for the period 2020-2027.
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