... ,164.80electric cable41,974.187,896.72solar panel(240W/12V)41,083.904,332.00transformer and electricity distribution system ... 4161.76647.04battery(300AH/12V)4679.412,717.64installation expense4242.65970.63pole 10m41,051. ... expense4323.601,294.40 the expense of battery replacment and maintenance replace battery every 2 years808.9 set/time3,235. ...