/technologies/power-management/b/alt-energy-blog/posts/retractable-portable-solar-panel-up-to-80wFrom OS , Japan, comes a portable solar panel (GSR110B) using Fugi Electric Systems' flexible thin film solar technology. The system weighs approximately 3kg and is capable of generating 40W at 12V. Lithium-ion batteries store energy not being u...en-USTelligent Community 12