Q:

What are some tips for choosing a power inverter for your home?

A:

Quick Answer

When choosing a power inverter for a home, consider the power requirement. Determine how many electrical appliances you want to work during a power outage and how much power each of them consumes. Calculate the total power requirement, and choose the power inverter accordingly. Another tip is to find out the exact Volt-Ampere rating, or power of the inverter you need, so that you don't pay more for unnecessary features.

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Full Answer

To calculate the Volt-Ampere rating, divide the power requirement by the efficiency of the power inverter. Efficiency is also called the power factor, and it usually ranges from 0.6 to 0.8. Round the result to the closest power of inverter that is available on the market (make sure that it is not less than the power you need).

Another important thing is to know what kind of battery capacity you need the inverter to have. To find out your battery capacity requirements, multiply the power requirement by the number of back up hours you need, and divide the result by the battery voltage.

Decide whether you need a true sine wave inverter or a modified sine inverter. True sine wave inverters produce the best current, but they cost more than modified sine inverters do. Some appliances, such as oxygen concentrators and fax machines, require only true sine inverters. Large TVs and gaming systems may lack clarity with modified sine inverters.

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