... 3.low cost in long term 4.long lifespan solar home system 1.eco-friendly, no carbon emission 2.high efficiency 3 ... in long term4.long lifetime about 25years Solar Home System Applications:1. Living house and home building2. Office building, factory and warehouse3. Shopping ... for those place where lack of electricity BS-SH1000L home solar power system is high, it can provide energy for Computer, TV ...