Comparing Features: Sine Wave Vs Square Wave Inverter

Learn the difference between sine wave and square wave inverters online. Buy on EMI using Bajaj Finserv’s Easy EMI financing options.
Explore Inverter
3 min
21-Sep-2024
Inverters play a crucial role in providing backup power during outages. When it comes to choosing between sine wave and square wave inverters, understanding their differences can help you make an informed decision. Sine wave inverters produce a smooth and continuous wave, making them ideal for sensitive electronic devices. On the other hand, square wave inverters generate a more abrupt waveform, which may not be suitable for all appliances. Each type has its own set of advantages and limitations, so it's important to evaluate your needs carefully.

Find a range of inverters on Bajaj Mall, or visit our partner stores for a broad selection of models from top brands. Moreover, you can visit any of Bajaj Finserv’s 1.5 lakh partner stores across 4,000 cities in India to discover a wide selection of products. Choose the model that best fits your needs and take advantage of zero down payment offers using Bajaj Finserv’s financing options, making your purchase more affordable by converting the cost into Easy EMIs.

Sine wave vs square wave inverter: Which is better

When it comes to choosing between sine wave and square wave inverters, understanding their functionalities is key. Sine wave inverters produce a smooth and continuous waveform, closely resembling the power supplied by your utility provider. This makes them suitable for a wide range of electrical appliances, including sensitive devices like computers, televisions, and medical equipment. They operate more efficiently and produce less electrical noise, ensuring your appliances work optimally.

In contrast, square wave inverters generate a more abrupt waveform, which can cause problems for sensitive electronics. While they are generally cheaper and simpler in design, they are not suitable for all devices. Square wave inverters can power simple equipment like fans and lights but may not function effectively with more complex appliances. Ultimately, the choice between these two types of inverters depends on your specific needs, budget, and the devices you intend to power.

Key differences between sine wave and square wave

FeatureSine wave inverterSquare wave inverter
WaveformSmooth, continuous wave that mimics utility power.Abrupt waveform that can cause distortion.
Suitability for appliancesIdeal for sensitive electronics like computers and TVs.Suitable for basic appliances like fans and lights.
EfficiencyMore energy-efficient, resulting in lower electricity costs.Less efficient, may lead to higher energy consumption.
Noise levelProduces less electrical noise, providing quieter operation.Generates more electrical noise, which can affect devices.


Maximise your energy savings with hybrid solar inverters, allowing you to use solar energy during the day and draw from the grid at night.

Sine wave vs square wave inverters: Performance and usage comparison

FeatureSine wave inverterSquare wave inverter
Waveform outputSmooth, continuous sine waveAbrupt, square-shaped wave
PerformanceHigh efficiency with sensitive and high-end appliancesLower efficiency, suitable for basic appliances
Power qualityProvides stable and clean power, similar to grid powerCan cause distortion and noise in devices
CompatibilityCompatible with all types of electrical appliances, including delicate ones like computers, air conditioners, and microwavesOnly suitable for simple devices like fans, lights, and older machines


When comparing the performance and usage of sine wave and square wave inverters, several factors come into play. Sine wave inverters deliver a steady and clean power output, making them perfect for powering sensitive electronics such as laptops, televisions, and medical devices. They ensure that these devices operate without interruptions or potential damage, which is crucial for performance and longevity. This reliability makes sine wave inverters a popular choice for households and businesses that rely on sensitive equipment.

On the other hand, square wave inverters can power basic appliances, such as lights and fans, but may not provide the same level of performance for more complex devices. They are often used in situations where the cost is a primary concern and the need for power quality is minimal. Additionally, square wave inverters can create electrical noise that may disrupt the functioning of sensitive electronics, potentially leading to malfunction or reduced lifespan. Therefore, while square wave inverters are more affordable, they may not be the best option for users who rely on sensitive devices.

When choosing an inverter, consider the types of appliances you plan to use. If your household contains high-end electronics, investing in a sine wave inverter is a wise choice. For those with simpler needs, a square wave inverter may suffice. Always evaluate the performance, energy efficiency, and compatibility of the inverter with your devices before making a decision.

Experience the best of both worlds with hybrid inverters, seamlessly integrating solar power and grid energy for efficient and reliable electricity supply.

Price list of sine wave and square wave inverters in India

Model namePrice
Livguard LGS900i pure sine wave inverterRs. 4,925
Livguard LGS1600 pure sine wave inverterRs. 9,528
Livguard LG1550i inverter 1250VA/12VRs. 7,000
Livguard LG1150iStar square wave inverterRs. 5,369


Disclaimer: The features, availability, and pricing of each model are subject to change and may vary. For the most accurate and up to date information, please visit the official website.

Financing options with Bajaj Finserv

Bajaj Mall offers a seamless experience for exploring inverters. You can browse through a variety of inverters, assessing their features and specifications to make an informed choice. Once you've gathered all the information, head to a Bajaj Finserv partner store to select the inverter that suits your needs. Choose a repayment tenure that fits your budget and enjoy the convenience of Easy EMIs.

Benefits of shopping with the Bajaj Finserv EMI Network Card

  • Competitive prices: Bajaj Finserv’s partner stores offer reasonable pricing on inverters, ensuring your purchase remains within your budget. This means you can find quality products without breaking the bank, making it a smart choice for consumers.
  • Easy EMIs: With the Bajaj Finserv’s Easy EMI options, buying your desired inverter becomes hassle-free. You can split the cost into manageable monthly payments, making budgeting for your purchase easier.
  • Zero down payment: Forget about the hassles of an initial lump sum payment, as select products are available under the zero down payment policy. This allows you to take your inverter home without any upfront cost, making it easier for you to upgrade your power supply.
  • Options and accessibility: Shopping for your favourite inverters is more convenient than ever. The Bajaj Finserv EMI Network offers a wide range of inverters at partner stores across multiple cities, ensuring you have plenty of options to choose from.
  • Exciting deals and cashback offers: Purchase the inverter you want and unlock special deals and cashback offers. These promotions can further reduce the overall cost of your purchase, enhancing your shopping experience.
  • Free home delivery: For added convenience, some inverters come with free home delivery. This service saves you time and effort, allowing you to focus on setting up your new inverter rather than worrying about transportation.

Bajaj Finserv App for all your financial needs and goals

Trusted by 50 million+ customers in India, Bajaj Finserv App is a one-stop solution for all your financial needs and goals.

You can use the Bajaj Finserv App to:

Apply for loans online, such as Instant Personal Loan, Home Loan, Business Loan, Gold Loan, and more.

  • Explore and apply for co-branded credit cards online.
  • Invest in fixed deposits and mutual funds on the app.
  • Choose from multiple insurance for your health, motor and even pocket insurance, from various insurance providers.
  • Pay and manage your bills and recharges using the BBPS platform. Use Bajaj Pay and Bajaj Wallet for quick and simple money transfers and transactions.
  • Apply for Insta EMI Card and get a pre-approved limit on the app. Explore over 1 million products on the app that can be purchased from a partner store on Easy EMIs.
  • Shop from over 100+ brand partners that offer a diverse range of products and services.
  • Use specialised tools like EMI calculators, SIP Calculators
  • Check your credit score, download loan statements, and even get quick customer support—all on the app.
Download the Bajaj Finserv App today and experience the convenience of managing your finances on one app.

Do more with the Bajaj Finserv App!

UPI, Wallet, Loans, Investments, Cards, Shopping and more

Disclaimer

While care is taken to update the information, products, and services included in or available on our website and related platforms/websites, there may be inadvertent inaccuracies or typographical errors or delays in updating the information. The material contained in this site, and on associated web pages, is for reference and general information purpose and the details mentioned in the respective product/service document shall prevail in case of any inconsistency. Subscribers and users should seek professional advice before acting on the basis of the information contained herein. Please take an informed decision with respect to any product or service after going through the relevant product/service document and applicable terms and conditions. In case any inconsistencies observed, please click on reach us.

*Terms and conditions apply

Show All Text

Frequently asked questions

What is the difference between sine wave and square wave inverters?
Sine wave inverters produce a smooth and continuous waveform, making them suitable for sensitive electronic devices. Square wave inverters generate a more abrupt waveform, which may not work effectively with delicate appliances.

Which inverter is more efficient, sine wave or square wave?
Sine wave inverters are generally more efficient than square wave inverters. They provide better energy conversion, resulting in lower electricity bills and improved performance for powered devices.

Which inverter is better for sensitive electronics?
Sine wave inverters are better for sensitive electronics. Their clean power output ensures that devices like computers and televisions operate smoothly without the risk of damage.

Is a sine wave inverter more expensive than a square wave inverter?
Yes, sine wave inverters are typically more expensive than square wave inverters. Their advanced technology and superior performance contribute to the higher cost, making them a worthwhile investment for users with sensitive devices.

Show More Show Less