... , low carbon exhaustion and energy savingOriginal German solar controller usedClass A solar panel used, converting efficiency > 16%Time- ... maintenanceEnvironmental Impact - Eliminate Hazardous DisposalLonger lifetime Solar LED Lighting: Lifespan of solar panel is 20-25 years. Lifespan of ... Light, Ground Mounted, Electronic Controlgear for LED Modules, Class I, IP65, ta: 50C, F Mark) Model No.: SPL ...