Inverter is just an electrical device that convert AC voltage to DC voltage during charging and vice versa during discharging ( usage). Step to increase my inverter life span.....
* Use 80 % of the rated load of the inverter.
*off all electrical appliances you are not using
* Automatically isolated loads that won't be connect to the inverter.
* keep in a well ventilated place.... Because inverter is a room tempt. Device.
* Avoid short circuiting........