Dual USB power bank PCB module

This component is a printed circuit board (PCB) designed for users who want to build or repair their own portable power banks. It features dual USB outputs, allowing for the connection of two devices at once. The board is compatible with 18650 lithium-ion batteries, which are commonly used in DIY electronics projects.

The module includes an integrated LCD or LED display that provides real-time information on battery levels and charging status. It manages the 5V output at 1A and 2.1A intervals to ensure safe power delivery to connected smartphones or tablets. This is a technical part intended for hobbyists and electronics enthusiasts.

The compact size of the board allows it to fit into custom-made enclosures or 3D-printed cases. It serves as the brain of a portable charger, handling both the charging of the internal cells and the discharge to external devices. This listing provides the essential hardware for custom mobile power solutions.