Code 100
RELATED ISSUES - power bank/power bank circuit /power bank module/best power bank circuit/power bank circuit board.
ITEM DESCRIPTION - The image shows a Mini Power Bank Circuit, specifically a 5V Step-Up Protection Board Boost Power Module with a Micro USB port, designed for Li-ion 18650 batteries. Functionality: This circuit efficiently boosts the voltage from a Li-ion battery (typically 3.7V) to 5V for charging devices, functioning as a portable power bank. Features: It includes a micro USB port for charging the connected battery, a USB output port for charging external devices, and often incorporates protection features against overcharge, over-discharge, and overload. Specifications: It typically supports a 5V charging input and provides a 5V output, with charging and output currents commonly around 1000mA (1A) and 1200mA.