Our family useing this from last 1 year and 3 mouths and there is no any problem we face and and its 9 hours
Long battery capacity is very good .in our area power cut is common but this inverter help us like aa electricity.i suggest u 2 buy luminous inverter with luminous UPS GOOD LIFE of inverter AND SAVINGS OF MONEY.I HOPE U UNDERSTAND.??????????????????????????????????????????????????????????