A sine wave inverter is a device that takes direct current input and gives sine waveform alternating current output. So the alternating current output it gives is in sine waveform, as opposed to the square waveform. Ordinary inverters usually give square wave AC output. But this gives sine wave AC output, which is necessary for the operation of certain devices. The sine wave AC output that the inverter gives can run devices like microwaves, copiers, grinders, laptops, scanners, and lamps. You may connect it to a battery that gets charged by solar or wind. Or you may connect it to a battery that gets charged from a main grid electricity socket. In either case, the battery stores the charge it gets in direct current form. The inverter turns that into alternating current: that is sine wave (rather than square wave) AC.
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Top 10 Best Sine Wave Inverters in India
Features of Sine Wave Inverter
- The defining feature of a sine wave inverter is it is volt-ampere capacity. This is normally given in a standing figure (like 1100 VA, 900 VA, 2200 VA, and so on).
- Another key feature for sine wave inverters is the wattage rating. This too is given in a standing figure (like 600 watts, 850 watts, and so on). The peak wattage feature is also important.
- Overload, short circuits, and over-voltage protections are other key features in sine wave inverters.
- How much noise the inverter makes is a key feature, as is its status display.
Types of Sine Wave Inverters
- There are pure sine wave inverters. Then there are modified sine wave inverters.
- As its name suggests, the pure sine wave inverter gives AC output whose waveform resembles an actual sine wave. Conversely, modified sine wave inverters give AC output whose waveform has a somewhat square pattern.
- There are 900 VA sine wave inverters. Then there are 1100 VA sine wave inverters. There are also 2200 VA sine wave inverters, among others.
- There are 600-watt sine wave inverters. Then there are 850-watt sine wave inverters. We also have 1200-watt sine wave inverters, among others.
Buying guide for Sine Wave Inverter
- The most important question while shopping for a sine wave inverter is what exactly you need it for. So focus is on what sorts of devices you will be powering through the AC output you will be obtaining. This tells you what sort of inverter (pure sine wave vs modified sine wave) is ideal for you. It also tells you what inverter capacity (VA and peak wattage) you need.
- You also have to look at the sine wave inverter price. The sine wave inverter price depends on many factors: like its capacity, brand, and where you buy it.
- Ideally only buy an inverter whose seller gives a truly good warranty.
How To Use Sine Wave Inverter?
- You use the sine wave inverter to provide alternating current (in sine wave form) to devices that use such current.
- Firstly, you connect the inverter to a battery. It can’t work without a battery. So the connection to the battery is the first step.
- After that, you connect the battery to the power source from which it is to derive charge. This may be solar power, wind power, or a mains grid power system.
- The sine wave inverter has a place from which you can tap the AC output it gives out. Identify that place. You can then connect a power socket with several outlets there. Then use the outlets to connect the actual appliances that need the sine wave power.
- Note that some inverters also have USB ports you can use to get power from them.
List of Top 10 Best Sine Wave Inverters in India-Buyers Guide
1. Luminous Zolt (1100) Sine Wave Inverters
What you get here is a 900 VA capacity inverter. Works quite well in offices and shops, as well as in private homes.
- It has a LED display showing the backup status
- Supports most types of batteries (ranging from flat to tubular and onto VRLA)
- Comes with a very good user manual
- May at times make a little bit of noise while in use
- Some may not like its MCB tripping feature (though it is very helpful to most people)
2. Microtek UPS Pure Sine Wave Inverters
This is a 1100VA (850 watts) inverter. It is based on microcontroller design.
- Works both in standard and narrow voltage ranges
- Does not make much noise
- Includes a voltage selection switch
- Changing from grid to UPS mode may sometimes have a small time lapse
- Its display is rather basic
3. V-Guard Sine Wave Inverters
This is a simple-looking yet quite effective inverter. The capacity is 900 VA.
- Comes with an easy-to-use front switch to flip from normal to UPS mode and vice versa
- Has 24-month warranty
- The price for this inverter is not too high
- Packaging could be better for this inverter
- May at times hum a bit when in certain modes
4. SF Sonic Prima Pure Sine Wave Inverters
What you get here is a very high-capacity (2200 VA) inverter. It has dual charging modes.
- It comes with a rather good LCD interface
- Quite easy to service
- Has high efficiency (hence major power savings)
- It is quite delicate
- Weight may be as much as 18 kilos
5. Shaniqua (Modified) Sine Wave Inverters
Able to turn 48-volt input DC to 220-volt output AC. It has 600 watts capacity.
- Includes alarm for overheating warning
- It is not too heavy
- Has features to protect the battery life
- Still consumes a bit of power even when under no load (just like all inverters)
- Requires 48-volt battery for DC input
6. Livguard Sine Wave Inverters
This is a 12-volt and 800 VA capacity inverter. Works with tubular and VRLA batteries, as well as flat plate batteries.
- Has a good safety profile for sensitive appliances
- Uses power with good efficiency
- The price for this inverter is quite low
- Warranty coverage for this inverter has certain key limits
- The sound it makes at times while working may cause some unease
7. Haibing Modified Sine Wave Inverters
This is a lightweight and quite compact inverter. It comes with 2 USB AC sockets.
- Gives as much as 4000 watts of peak power
- This inverter is not too costly
- Protects the connected appliances quite well
- May not be compatible with some appliances (since it is not a pure sine wave inverter)
- It does have some noise, which can take getting used to
8. Layfuz Modified Sine Wave Inverters
Turns the standard 12-volt DC to 220v of AC. Gives a peak power output of 3000 watts.
- This is a highly affordable inverter
- Quite easy to set up
- The inverter has pretty good efficiency
- May have some little heating
- The in-built fuse may require replacing at some point
9. High Frequency 4000 Watts (Peak Power) Modified Sine Wave Inverters
Comes with a rather strong load capacity. Includes an AC outlet alongside 2 USB ports.
- It has a good display
- Quite easy to move about (as it is not too heavy)
- This is a low-interference inverter
- May not always be easy to repair the quite delicate inner parts, in case the inverter has issues later on
- This is a modified (not pure) sine wave output inverter
10. Everest Pure Sine Wave Inverters
Contains a 32-bit DSP processor. It has an 1100 VA capacity, with a 12-volt input direct current.
- It has smart overload sensors
- Weight is only 3 kg
- Has a long (2-year) warranty
- The price may seem a little high relative to certain other 1100 VA inverters
- There is some minor power loss in it (with a slight heating result)
A good sine wave inverter can help you use a wide range of Alternating current-powered electrical appliances safely and conveniently. Use this guide to identify and buy the best sine wave inverters in India.
What is a sine wave inverter?
It is a device in which direct current is turned into (sine waveform) alternating current.
Which inverter is the best sine wave or pure sine wave?
There are situations in which the pure sine wave inverters are better.
What is the benefit of a sine wave inverter?
It converts direct current into a form (AC) that many electrical appliances can use.