Inverters convert DC voltagestored in inverter battery to AC and then amplying it to grid voltage or 220 – 240. Many brands of inverters in the market have in-built fast change-overs so that when electricity goes off your inverter picks up quickly. This means that your gadget do not switch off due to power failure as the inverter steps in quickly to supply the power needed. If not in-built, the re are change-overs than can be bought as add-pns and installed.
There are various inverter brands in the market in Nigeria today and these include: Sukam inverter, Luminous inverter, Blue Gate, A&E, Prag and Microtek inverter
Pure sine wave inverters generate needed power for homes with more accuracy and with less power loss. It is pure sine wave that you get from normal electricity or generator. Most gadget s in the market work are made to work with pure sine wave so you can be sure that they will work with your inverter.
This is not as effiecient as the Pure sine wave inverter for powering most modern gadget like LED, 3D tv etc. Even flourescent lights may not shine as bright as they would with Pure sine wave. The significant thing about the modified Sine wave inverter is that gadget do not get enough power and tends to draw more power.
There are newer inverter models that have in-built chargers so that your battries are automatically recharged by the chargers when AC power is available.
There are inverters as low as 70-80 watts and as high as 10KVA or more in the Nigerian market. You have to be very clear on much power do you need in your home. How many gadgets do you need powered at once. You will need to calculate this so you can identify the capacity of the inverter you will need. If budget is no problem, it is advisable to buy an oversized inverter capacity like 10 KVA even if what you need is 5KVA. You can grow into it faster than you think.