The world of renewable energy has been transformed by the arrival of energy storage systems. The two most popular competitors in the market are the Tesla Powerwall and LG Chem batteries. They provide businesses and homes with a sustainable energy solution. In this article, we will take a look at the key differences between the two and learn about Tesla Powerwall vs LG Chem specs and price range.

Tesla Powerwall Vs LG Chem

Both the Tesla Powerwall and LG Chem companies store energy for commercial and residential use.

The Tesla Powerwall is manufactured by Tesla Inc., which is an American automotive company. It is a lithium-ion battery with an AC coupler for more flexible installation. The Tesla Powerwall can last long at both low and high temperatures. It can store energy in three modes: backup alone, self-consumption, and time-based mode.

While the LG Chem battery is manufactured by LG Chemicals, which is a chemical company operated by LG, one of the biggest electronics manufacturers in the world, It also produces lithium-ion batteries and is a widely used solar battery. LG Chem is the best choice to install in homes with significant energy needs. It offers a high-quality energy storage solution. However, it cannot withstand excessive heat.

Overall, both batteries are solar-powered and serve the same purpose. While the installation cost and capacity of both batteries vary, If you can’t decide which one to choose, then follow on to get a clear view.

Also Read: Panasonic EverVolt Vs Tesla Powerwall Comparison – Which is Better?

Tesla Powerwall Vs LG Chem Specs

Tesla Powerwall: Tesla Powerwall vs LG Chem 1
Image from Tesla

The specifications of these batteries depend on their capacity, efficiency, warranty, power output, and more. Let’s learn the Tesla Powerwall vs LG Chem specs.

The Tesla Powerwall is a rechargeable home battery system that is used to backup power sources so that it can be used during power outages. To get a better understanding, you can check out our blog Tesla Powerwall Review: Empowering Your Energy Storage.

LG Chem is a lithium-ion battery system that stores solar energy and is used as a power backup source during blackouts.

Here is a comparison of both of their specifications.

CategoryTesla PowerwallLG Chem
Type of batteryAC Couple – 120/240VDC Couple – 48 V
Storage Capacity13.5kWh3.3 – 14 kWh
Power Output10kw and 5kWh5kWh continuous
Round-trip efficiency90%mostly greater than 90%
Peak Power Output 10kW ( in about 10sec)7kW ( in about 3sec)
Dimension45.3 in ×— 29.6 in ×— 5.75 in24.7 in ×— 17.8 in ×— 8.94 in (RESU 13)
Warranty10 years10 years

Note: This is a table based on cumulative data. For specific model information, you have to check out the manufacturer’s guide.

Also See: How Many Tesla Powerwalls Do I Need For My Home?

Tesla Powerwall Vs LG Chem Efficiency

The efficiency of these batteries describes how effectively they store energy and deliver it when needed. Let’s learn about the Tesla Powerwall vs LG Chem efficiency ratings.

The Tesla Powerwall offers a round-trip efficiency of 89-90%, which means when you put 10 kWh of electricity into the battery, you’ll get an output of 9 kWh.

On the other hand, LG Chem offers over 95% round-trip efficiency, which means when you convert incoming electricity into stored electricity, you would lose 4% of energy.

Also Read: Tesla Powerwall Vs Generac PWRcell-Which is Best?

Tesla Powerwall Vs LG Chem Price Range

LG battery pic
Image from

Mostly, the price range of both solar batteries depends on location, installation, and capacity.

The price range of a Tesla Powerwall battery depends on where you make your purchase. If you purchase directly from Tesla, then one Powerwall will cost you between $9,200 to $14,200, including accessory fees and Gateway Wi-Fi equipment. The price per unit decreases if you buy more than one Powerwall. However, if you make a purchase from a local installer, the cost of 1 Powerwall ranges between $15,000 and $18,000.

LG Chem batteries cannot be purchased directly from LG. You need to buy from an authorized installer in Australia. The price range of its battery depends on its size, such that for 6.4 kWh without installation and inverter charge, it costs about $6000. For 9.8 kWh, it costs around $7500.

Overall, in the Tesla Powerwall vs LG Chem price range, the Tesla Powerwall batteries are more expensive than LG Chem batteries because Tesla batteries have some advanced features and a larger storage capacity as compared to LG Chem. Now let’s check out the Tesla Powerwall vs LG Chem warranty in the next segment.

Also See: Enphase Battery Vs Tesla Powerwall 2: What are the Differences?

Tesla Powerwall Vs LG Chem Warranty

The Tesla Powerwall has a warranty of 10 years from the date of purchase and has a capacity rating of up to 70%. The battery will have a capacity of 9.45 kWh until the end of the warranty. The warranty covers the product and the performance of the battery’s condition. The best part about Tesla is that it provides 24/7 customer service, and if they find any defects in the battery, they will fix them before they get installed. If any issues arise during the period of warranty, they either repair it or replace it with a new one without any charges. If you are curious about its lifespan, read how long does a Tesla Powerwall last?

Note: For a full warranty period of 10 years, you must register and connect to the internet so that you can receive software updates. If this is not done Tesla will provide a warranty of 4 years.

LG Chem also has a 10-year warranty from the date of purchase. The battery will retain up to 60% of its capacity after 10 years of use.

With this, we have cleared up all your queries about the difference between Tesla Powerwall vs LG Chem. Overall Tesla Powerwall and LG Chem are in neck and neck competition with each other. So, choose the best battery as per your need.

Source: Tesla Powerwall Official Page and LG Chem Official Product PDF


Olivia is committed to green energy and works to help ensure our planet's long-term habitability. She takes part in environmental conservation by recycling and avoiding single-use plastic.

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