The backup time mentioned is 8 hours for 5 fans + 5 lights + 2 TV. But what is the battery capacity needed for this?

The power output should be (5 fans = 5x80W) 400 W + (5 lights = 5x30W CFL) 150 W + (2 TV = 2x100W) 200W = 750W.

For 8 hours it should be 750x8 = 6000 Watt Hour. Considering the effeciency of 80% as stated in the product specification, the battery capacity needed is 6000 / (12 x 0.8) = 625 Ampere Hour. That means if we consider each battery of 150 AH capacity, we need over 4 b...

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VERY GOOD PACKING AND SEALED PRODUCT DELIVERED.... THX RETAILNET SELLER.. AND THX TO FLIPKART... MICROTEK SEBZ 1100 V3 IS VERY GOOD... USER FRIENDLY PRODUCT... LIGHT, FAN AND COMPUTER WORKS VERY NICE... NO HUMMING SOUND.... REALLY PURE SINE WAVE PRODUCT.... ONCE AGAIN THANKS FOR GOOD PRODUCT

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Microtake Sebz 1100 VA Sinewave Inverter. This Inverter is good Performance. Internal Curcite is best.

Nice product... Nice design. No noise. The power back up is awesome. I am using this inverter with Exide IT 150 battery, and now I am very satisfied. This inverter is top model of Microtek Inverter in 1100 VA range. A big Thanks to Flipkart for 2 days early delivery. 👍🏻

Real 80 plus power rating. Pure sine wave. This 1100VA can take max .load of 880 watt. Runs cool. Fast & efficient battery charging. Slightly humming noise but noticeable if listen when there is pin drop silence at night. Other model Hybrid 1125 VA is absolutely humming free.

Good product, running smoothly and noise level is very less, even somebody will not going hear it if not listened very minutely, the sound is actually produced by the rare cooling system fan like the desktop computer system but far less noise than that. One important thing to be mentioned that it can't run any electric appliances more than 500 watts of capacity. Hoping for a long problem free service from this device.

inverter making noise during runing time .now i call service engg .not much satisfied.