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If you have any questions, please contact customer service first, do not open disputes easily, thank This module is a step-up module, not step-down, only for DC DC.
2. Input 2-24V output 3-28V continuously adjustable (using multi-turn close potentiometer).
3. The circuit adopts switching energy storage conversion.
4. It has the advantages of high efficiency, low heat, small size, etc. The output peak value can reach 2A.
5.Note: If you want to replace it by yourself, please forgive us for not being able to provide professional repair tools and instructional videos. Thank you for your Name:DC Boost Module
Main Function: Synchronous Boost Module
Input Voltage: DC2-24V
Output Voltage:DC3-28V
Output Current: 2A peak
Appearance size: 31.7*16.2mm
Package Includes:
1*Adjustable Booster Board
Note:
1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering.
2. Please allow 1-3g weight error. Please make sure you don't mind before ordering.
3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!

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