“As the unit is a 1.5kVA! How does that translate to Wh? Is it a 1.5kWh or is it some other unit instead of 1.5kVA?? Note that a 1.5kWh would supply 1.5kW for 1 hour or 1W for 1,500 hours”
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The 1500VA rating is the peak power the device can supply the RMS power which typically what your devices are rating for is 900 watts. The batteries in this device are two 12V 9AH which is 24 * 9 = 216 WH. Since you cannot use all of that power, at best the UPS will last about 10 minutes with a 900 watt load. For a device like a computer that can shut itself down this UPS can supply enough power to get through a short power problem and can shut your computer down properly for longer power outages. This UPS comes with a cable and you can get the software for free to do the automatic shutdown. While this UPS a excellent unit that will last for many years, UPS devices in the size have relatively small batteries so generally it will just get you through a short outage or until you can fire up a generator. A trick is if the load you want to use is less than 700 watts the 1200VA unit will do the trick and uses that same batteries so it will last the same amount of time.
Sorry, there was a problem. Please try again later.Thank you for your interest in our products. The BN1500M2 would support 900 watts of power connected to it. The VA rating is higher because it takes into affect the power factor rating of the UPS.
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