5KW off-grid solar system Packing List: - 8pcs 540W solar panel ,Mono, Half cell - 1set 5kw hybrid inverter - 4pcs 12V 200AH GEL storage battery - 50m PV cable - 20m mounting bracket - 4pcs MC4 connector - Othere mounting components If you want to store more electricity, you can add another group of batteries, meaning 8pcs battery included