THIS IS MY EXPERINCE, ONLY MICROTEK INVERTER IS VERY LOW POWER CONSUMING AND YPUR BATTERY LIFE LONG. ITS TRANSFORMER VERY POWRFUL .I BROUGHT MICROTEK E2+ 925 VA. THIS IS MY EXPERINCE, MY ELECTRICITY BILL IS CONSUME LAST 2 YEAR. THIS TOOK ALL LIKE FANS, LED, T.V LOAD . WHEN BATTERY WATER IS LOW, ITS WATER LOW INDICATON ALERT YOU. THATS THE REASON I CALLED THE BEST INVERTER IN THE WORLD IS MICROTEK.