Long-term, sustainable power Reliable, mainenance-free performance Easy and quick installation Simple control interface TUV NumberItem SpecsQTY1Poly-crystalline Solar Module85W6 PCS2Maintenance-free lead-acid Battery12V150AH 4 PCS3 controller20A1 PCS4 Pure-wave Inverter600W1 PCS5alternating current switch ON-OFF1 PCS6control system box1 PCS7cables, Brackets ,accessories1 PCSSystem capacity: 500W, ...