Abstract: The disclosed subject matter relates to a solar-operated lighting device comprising a substantially tubular solar module, which is positioned vertically in its mounted position and electrically powers a light via at least one rechargeable battery and an electronics module, the at least one rechargeable battery and the electronics module each being arranged in the interior of the solar module with radial spacing therefrom, the solar module having a ventilation opening at both its upper end and its lower end, and the light forming a cover of the lower ventilation opening.

Abstract: The disclosed subject matter relates to a solar-operated lighting device comprising a substantially tubular solar module, which is positioned vertically in its mounted position and electrically powers a light via at least one rechargeable battery and an electronics module, the at least one rechargeable battery and the electronics module each being arranged in the interior of the solar module with radial spacing therefrom, the solar module having a ventilation opening at both its upper end and its lower end, and the light forming a cover of the lower ventilation opening.

Abstract: The disclosed subject matter relates to a solar power supply device for a light, comprising at least one tubular solar module that can be slid onto a mast, and a crown which can be fitted to the top of the mast and from which the solar module is suspended, wherein the solar module contains in its interior at least one pair of spring elements that can be resiliently spread apart, between which the mast can be passed through. The invention further relates to a lighting device comprising a mast and a solar power supply device of this kind, the crown of which is fitted to the top of the mast and through the spread-apart spring elements of which the mast is passed through, and at least one light that is supported by the solar power supply device and is electrically powered thereby.

Abstract: The present disclosed subject matter relates to an installation for illuminating an environment.

Abstract: The present disclosed subject matter relates to an installation for illuminating an environment.