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Robolist.ai
Cleaning

Lightweight GYBT-M20

Built by Ningbo GLGW Nova Materials Technology

Updated May 2026·methodology

Overview

The GYBT-M20 is a lightweight, foldable solar panel cleaning robot designed for flat roof and distributed power stations with low inclination (0°-15°). It uses a 45° high-pressure water flush system with fine filtration, a self-cleaning mud box with Dynamic Mud Separation Technology, and dual internal rolling brushes that extend to 1300 mm. The robot weighs 12.7 kg, has a 16 Ah lithium battery providing 4 hours of runtime, and a cleaning capacity of 1000 m²/h. It features triple-layer fall protection with real-time edge monitoring, automatic detection of solar panel frames to cross gaps, and a constant speed mode for autonomous operation. Navigation is remote-controlled with an autonomous constant speed mode.

Detailed specifications

Power & battery1
Battery Capacity
16 Ah Li-Battery
Other9
Model
GYBT-M20
Brush Length Mm
1300
Foldable Design
true
Dimensions Folded Mm
720x650x150
Self Cleaning Mud Box
true
Dimensions Expanded Mm
1440 x 650 x 150
Climbing Capacity Degrees
0-15
Cleaning Capacity Per Hour
1000 m²/h
Water Consumption L Per Min
0-15

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Ningbo GLGW Nova Materials Technology