Microtek inverters are best inverters in electrical devices. Their initial cost is also economical.these inverters provide many informatory digital lights like of charging, battery low, fuse blown, fully charged and fan on/off. A fan is also provided in these inverters for cooling it. But it doesn’t get too heat at normal load. You can switch 3-4 fans , bulbs and cfls at a time by tgis inverter. It’s charging rate is also fast . It saves energy of your battery. There is no caution in using it. it is very easy to use.