... , short circuit protection, temperature protection during convert ect.2. The small home solar system is no pollution, no noise, environmental protection products ... shelf life is 20years at least.4. Power Control cabinet with inverter, battery and controller including, Shelf life of key ... phone, Fan etc.Specifications:1.Solar panel:12V/6W with 8M connect cable2.12V/4Ah Sealed lead-acid maintenance-free ...