EH3 Single-Brush Roller Begins Field Testing on Solar Panels; Cleaning Performance to Be Revealed!
August 9, 2025 — Qingdao Rhino Stone Intelligent Technology Co., LTD (abbreviated as Rhino Stone Tech) today announced that its latest intelligent cleaning device, the EH3 single-brush roller, has officially entered field testing in photovoltaic (PV) power plant environments, with a focus on evaluating its real-world performance in cleaning solar panel surfaces.
As global solar energy capacity continues to grow, efficient operation and maintenance, including solar panel cleaning, have become critical to ensuring power generation efficiency and ROI. Contaminants such as dust, bird droppings, and sand can significantly reduce the light transmittance and energy output of PV modules. As a result, safe, efficient, and intelligent solar cleaning solutions are increasingly in demand by plant operators worldwide.
The star of this test — the EH3 single-brush roller — is an intelligent, single-brush cleaning device designed specifically for solar panel maintenance by Rhino Stone Tech. Featuring a compact structure, flexible operation, and precise cleaning capability, the EH3 utilizes intelligent brush pressure control and an adaptive movement system to effectively remove dust and dirt from solar glass without causing damage, thereby improving light transmission and power generation performance.
“We are excited to see the EH3 single-brush roller enter its real-world deployment testing phase,” said a technical representative at Rhino Stone Tech. “The cleanliness of solar panels directly impacts their power generation performance. Through this testing, we aim to further validate the EH3’s cleaning effectiveness, adaptability, and operational reliability in actual conditions, laying a strong foundation for future product optimization and market expansion.”
At present, the EH3 single-brush roller is undergoing on-site testing in photovoltaic power plants, with a focus on its performance under various climate conditions, panel tilt angles, and contamination levels. The testing will primarily evaluate its cleaning efficiency, operational stability, safety for PV modules, and overall ease of use.
The true cleaning power of EH3 is about to be revealed. Stay tuned for updates on the testing progress and product developments from Rhino Stone Tech.