... , 2. Rohs, TUV certificates 3. apply to shortage of power 40w portable solar power system:SpecificationSolar panel20Wp *2PCSBatterycapacity12V17Ah * 2 PCSIntelligent controller5A/12VOutput power300W(AC ... places such as camping3.We also have solar panel, PV modules, solar system, and solar water pump, 15W OR 30W solar portable home system. 40w portable solar power system