USB Supply Board with 21V Battery Input and Double USB-A Outputs, Small Circuit Design for Phones and Other Small Electronic Device Charging

Features: Battery To USB Conversion: This compact converter board turns a 21V battery input into regulated 5V USB output, giving phones, lights, and other small devices practical power access. Double USB-A Port Layout: Double visible USB-A output ports provide a familiar connection format, helping you route USB power in project builds or replacement setups without extra adapters. Exposed Board Structure: The open circuit design with attached power cables and visible components makes the module easier to inspect, position, and integrate into compact electronics work. Compact Project-Friendly Format: A small board footprint supports portable USB power projects, temporary charging access, and replacement-module use where space is limited and layout matters. Single Board Package: Includes a single converter board, so buyers get a clear replacement part for battery-to-USB power conversion.

Specifications: Component: Metal, Composite Housing Board Size: approx. 44.5x23.5mm/1.75x0.92inch Power Supply: Suitable for 21V Power Pack Technical Parameters: 2 USB Output Ports; Voltage Stabilizing Circuit Application: Jobsite Work, Outdoor Camping, Backup Power Use, Battery Modification, Digital Device Charging Quantity: 1 Piece

Package Includes: 1 Piece 21V to 5V Double USB Battery Converter Board

note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.