This is the Ecoppia H4: an autonomous robotic cleaning solution for fixed tilt and single axis trackers. It moves horizontally but cleans vertically. The H4 is cloud based and can be remotely managed from anywhere. It features bidirectional cleaning. The below video shows what makes this solar cleaner special:
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Ecoppia H4 - autonomous robotic cleaning for Fixed Tilt and Single Axis Trackers
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