ABSTRACT A bridge that may include a first photovoltaic (PV) panel holder, a second PV panel holder; and a body. The body is movably coupled, via a first interface, to the first PV panel holder and is detacheably coupled to the second PV panel holder, wherein the body is configured to move between a first position ...

A robotic system for providing a surface cleaning device to a solar panel device, the robotic system may include (a) a drive unit that is configured to move the robotic system in relation to the solar panel device; (b) a support unit that comprises guiding elements, the guiding elements are configured to support the...

ABSTRACT A surface cleaning device that may include an axis; dust cleaning elements that are connected to the axis and comprise multiple fins that comprise (i) one or more first fins of a first durability and a first cleaning capability and (ii) one or more second fins of a second durability and a second cleaning...

A surface cleaning device for cleaning surfaces of solar panels, wherein the surface cleaning device may include a main body, at least one extension that extends to at least one side of the main body and comprise at least one extension wheel for interfacing with the solar panels, a first dust carrying member, a seco...