A PURE sine wave INVERTER or
the MODIFIED sine wave type?
Which one is for You?

The pure sine wave inverter and the modified sine wave inverter are similar devices differentiated by the quality of their output voltage.

The pure sine wave inverter is of better quality, producing a cleaner and more stable power. This inverter is of course more expensive to purchase, starting around $400 up to $3000.

However, if you do not want to damage sensitive equipment such as a computer, a laser printer, a flat screen TV, a sound system etc... it is compulsory in my opinion to buy the proper power inverter.

The pure sine wave unit produces power identical to the electrical company and even better.

It is suggested to use a pure sine wave inverter with computers. This is more critical working with software when files can be damaged. When a laptop is being charged being turned off, it is less of an issue.

Also, keep in mind that what we call a lump in the charging cable (or transformer) will protect the device you are charging.

In all cases, it is always a good idea to have a surge protector with coaxial connections to protect all your electronic equipment.

On the other hand, $400 would be the most you would pay for a regular modified sine wave inverter. A high end unit may cost between $500 to $1500.

The output is not a smooth sine wave but a stair stepped square wave. Between the two, the decision is really yours at the end.

In my opinion, it is worthwhile to invest in a pure sine wave inverter from a good brand name.


PLAIN INVERTER or INVERTER CHARGER?

You can also decide to select a plain inverter or an inverter charger that will charge your battery bank.

If you are hooked up to an electricity service or use a generator most of the time or simply an alternator as sources of energy, you will have to buy a powerful charger to regulate the battery charging.

Then, instead of a plain inverter, a combo inverter charger makes sense since it will only cost a little bit extra.

The option of a built-in charger, usually with a multistage high output, may be the best choice. Many large inverters (more than 1000 watts) come with this option.

You can use it instead of the converter charger normally supplied with the RV. It will probably do a better job, the converter being kept only as a back up.

These inverter chargers are normally multistage and deliver 25 to 150 amps of charge current, working very well with generators.

However, if most of the time you are boondocking and using solar panels to charge your house batteries, you do not necessarily need to pay extra to get an inverter charger unit.

A plain inverter would fulfill all your needs since the solar panels are wired to a regulator to control the charge, directly delivering DC current to your battery bank.


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