Universal power-off switch (rotary extension cord)

Abstract

1. Name of the product in this design: Universal positive and negative power-off switch (rotary extension cord). 2. Purpose of this design: To disconnect the battery power, prevent leakage and current loss, improve battery life, and protect the battery. 3. The key design elements of this product are its shape, pattern, and their combination. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

Images