Purchased to protect a dual Xeon workstation, I had a high power inverter, also able to correct irregular electrical current, which is a bit poor at home. Normally in such inverters are expensive (at least 300) and very typical pro. Now it is a CPA in 2015 launched a new range of line interactive UPS rather oriented "general public", the most powerful model is a 1400 VA / 700 W. It is the latter that I chosen because it can, on paper, the problem bear without my power at full load workstation. Very pleased with this UPS acquired 155 on Amazon Marketplace, the only complaint I can make it is that its battery is not user replaceable. This is unfortunately the current general trend in batteries, as for smartphones and other mobile devices.