Roborock Onyx3 Power Board for S7 MaxV Black Robot Vacuum Accessory
- Original Roborock Onyx3 power board for S7 MaxV Black robot vacuum. Designed for stable power distribution, reliable electrical performance, and precise system operation as a replacement repair part.

The Roborock Onyx3 Power Board is a dedicated robot vacuum accessory designed for the S7 MaxV Black, serving as a critical internal component responsible for stable power management and dependable device operation. As an original replacement part, it supports proper electrical distribution within the robot vacuum and helps maintain the performance, responsiveness, and reliability expected from the Roborock cleaning system. Built as a precision electronic module, this power board is engineered to match the technical requirements of the compatible S7 MaxV Black platform.
Its integrated wiring harnesses and connector layout are intended for accurate fitment and secure internal connection with supported components. The board plays an essential role in transferring power across key systems, helping the robot vacuum operate correctly during cleaning cycles, navigation tasks, and charging-related processes. In practical use, a properly functioning power board contributes to stable startup behavior, consistent system communication, and smooth operation of the vacuum’s electronic assemblies.

Replacing a worn or damaged board can help restore the unit’s electrical integrity, reduce operational interruptions, and support reliable performance over time. This makes it a valuable service part for maintenance, repair, or refurbishment when you want to keep your Roborock S7 MaxV Black operating efficiently and dependably.








