LG Chem RESU – Renogy Battery

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LG Chem RESU – Renogy Battery

 

LG is a market leader in the home electronics business and produces some of the most popular panels found in EnergySage Solar Marketplace quotations. LG’s battery division, LG Chem, produces one of the most popular batteries on the market in the United States: the LG Chem RESU 10H battery.

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Renogy Deep Cycle AGM Battery

Renogy

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Brand Renogy
Brand Renogy
Voltage 12 Volts
Voltage 24 Volts
Item Weight 66 Pounds
Item Weight 0.27 Pounds
 Dimensions LxWxH 13 x 6.8 x 9 inches
Dimensions LxWxH 4.7 x 3 x 1.1 inches
Size 100Ah
 Size 10A

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The most important takeaways of LG Chem RESU – Renogy Battery

With a full system installation, the LG Chem RESU costs between $9,500 and $13,000.

The RESU battery is only available in one size: the 10H, which has a 9.3 kWh usable capacity and a 5 kW power rating.

To properly go “off the grid,” you’ll need numerous RESU batteries.

A qualified EnergySage-approved installer can provide you with the most up-to-date information about the RESU home battery system and other energy storage choices that are now available to homes.

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What is the LG Chem RESU and how does it work?

If your utility has decreased or eliminated net metering, time-of-use rates, or demand charges, the LG Chem RESU is a good match for solar panels. When you combine a solar energy system with a storage solution like the LG Chem RESU, you may have a consistent power supply day or night, as long as you store enough power from your panels when the sun is shining.

The LG Chem RESU, like many other home battery devices, is sized for day-to-day use at home and is frequently coupled with a home solar panel system. When your solar panels generate more electricity than you can use in your home, instead of sending it back into the grid, you can store it in your battery system. When your panels don’t produce enough electricity to satisfy your home’s needs later, you can use the electricity stored in your battery rather of buying it from your utility company.

What You Should Know About The LG Chem RESU – Renogy Battery

The tiny size, ease of installation, and safety of the RESU are some of LG Chem’s major selling features. LG Chem has the history and knowledge to back up its claims of quality and safety for its battery products as a specialty chemicals firm. Consumers appear to agree, as one of the most popular household batteries on the market.

There are a number of essential indicators and technical criteria to consider while evaluating the RESU. The battery’s size (power and capacity), chemistry, depth of discharge, and roundtrip efficiency are among the most critical factors.

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Size

In the United States, the LG Chem RESU is only available in one type and size: the LG Chem RESU 10H. When comparing the RESU 10H to other home storage alternatives, power and useful capacity are two crucial factors to consider. The highest amount of electricity that can be output at a single moment is determined by power (measured in kilowatts, or kW), whereas useful capacity (measured in kilowatt-hours, or kWh) is a measure of the maximum amount of electricity that can be extracted from your battery on a full charge. The LG Chem RESU 10H has a maximum power rating of 5.0 kW and a useful capacity of 9.3 kWh. The RESU system is also adaptable to some extent, allowing you to expand your storage options by adding additional battery products. For a residence with large energy demands, you might choose to install multiple RESU batteries. LG Chem, on the other hand, advises against connecting more than two RESU batteries in parallel.

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Consider your battery to be a pipe full of water. The amount of water that can be pushed through the pipe is measured in energy capacity, whereas the size of the pipe is measured in power. Larger pipes allow more water to flow through at once, causing the water to be depleted more quickly. Similarly, a high-capacity battery can give more electricity at once, but it will also burn through its available energy capacity more quickly.

The power of a battery decides which appliances it can power at the same time, while the useful capacity dictates how long those appliances can run. Higher-capacity batteries can power more powerful appliances or multiple appliances at once, while higher-capacity batteries may store more overall energy and so run your appliances for longer periods of time without needing to be recharged.

Functionality that is fundamental

The usefulness of one solar battery compared to another can differ; some batteries have exceptional off-grid capabilities, while others include rate arbitrage software. Here are some of the LG Chem RESU’s key features:

Electricity as a backup

LG Chem has worked hard to guarantee that its battery solution is compatible with the majority of off-grid and hybrid inverter manufacturers and models. This means that your LG Chem battery will be able to provide backup power for your home if the grid goes down, as long as the installer installs the proper components.

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Chemistry

The LG Chem RESU is a lithium-ion storage device that uses a lithium nickel manganese cobalt oxide (NMC) battery as its primary component. This is one of the most popular lithium-ion battery technologies, and with good reason: NMC batteries are known for their high energy density (the amount of energy they can store in relation to the physical space they take up) and greater safety when compared to other types of batteries. Check out our review of battery chemistry differences to discover more about how different lithium-ion battery chemistries compare to one another.

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Metrics of performance

The depth of discharge and roundtrip efficiency are two important factors to consider when evaluating the performance of a solar battery.

The percentage of a battery’s energy that has been discharged in relation to the overall capacity of the battery is known as depth of discharge (DoD). Many battery manufacturers specify a maximum DoD level for optimal battery performance because the usable life of a battery reduces with each charge, discharge, and re-charge. Batteries with a higher depth of discharge are generally thought to be of higher quality. The LG Chem RESU – Renogy Battery has a 95 percent depth of discharge across all battery sizes, which is a testament to its safe and sophisticated NMC battery chemistry.

The roundtrip efficiency of a battery is a measure of the electrical losses that occur during charging and discharging. The more efficient the battery is at converting incoming electricity into stored electricity and subsequently back into usable electricity, the higher the efficiency %. The LG Chem RESU line has a high roundtrip efficiency of 94.5 percent, which means you’ll get 9.45 kWh of output for every 10 kilowatt-hours (kWh) of electricity you put into the battery.

RESU performance metrics from LG Chem

  • METRIC PERCENTAGE
  • Charge depth: 95
  • 94.5 percent efficiency roundtrip
  • Comparison of LG CHEM RESU models
  • RESU10H-R LG CHEM
  • RESU10H-C LG CHEM
  • PRIME LG CHEM RESU 10H
  • LG CHEM RESU 16H PRIME LG CHEM RESU 16H PRIME LG CHEM RESU 16
  • 9.8 kWh total energy
  • 9.8 kWh of energy
  • 16.8 kWh 9.8 kWh
  • 63 AH capacity
  • 63 Amps
  • Voltage Range 350-450V 63 Ah 68 Ah
  • 430-550V
  • 430-550V
  • 350-450V61N8WlWDSBL. AC SL1000

Warranty coverage for LG Chem RESU

  • LG Chem RESU offers a warranty.
  • 10 years or 22.4 MWh energy throughput warranty
  • End-of-warranty capacity guaranteed: 60%
  • 22.4 megawatt-hours of guaranteed throughput (MWh)
  • Our in-depth assessment of the LG Chem warranty can be found in this post.

In most cases, households with RESU batteries charge and discharge the battery on a daily basis. The RESU is covered by a ten-year warranty. During that time, LG Chem promises that the battery will retain at least 60% of its capacity to keep a charge. LG Chem also offers an energy throughput warranty: the 60 percent capacity retention after ten years is only applicable if the total energy throughput over the ten years is less than 22.4 megawatt-hours (MWh). To summarize, your LG Chem RESU battery is guaranteed to keep at least 60% of its capacity by the time it reaches 10 years or 22.4 MWh of energy throughput, whichever comes first.

LG Chem’s battery technology is comparable to that of other rechargeable batteries, big and small: it loses some of its ability to store a charge over time. Consider how a brand-new smartphone compares to one that is a few years old in terms of battery life. As you charge and discharge your phone’s battery repeatedly, it begins to lose some of its ability to retain a charge.

Your RESU battery’s battery life will decline in the same way. That isn’t a sign of a problem in the product; all batteries, whether electric vehicle batteries, home energy batteries, or rechargeable AA batteries, lose some of their ability to retain a charge over time. As a result, LG Chem provides a warranty that ensures a specific level of storage capacity.

If you wish to compare different battery models side by side, our battery Buyer’s Guide allows you to do so. You may compare devices based on efficiency, capacity, power, and other factors.

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What is the price of the LG Chem RESU – Renogy Battery?

A solar of LG Chem RESU – Renogy Battery installation isn’t as straightforward as a component’s list price — installation costs might vary significantly based on your electrical configuration, among other considerations. With a full system installation, the LG Chem RESU 10H should cost between $9,500 and $13,000, as an approximate estimate. The battery, an inverter, numerous other equipment prices, and projected installation costs are all included in that figure.

Battery costs are only one factor to consider when installing the LG Chem RESU – Renogy Battery as part of a solar-plus-storage system. Depending on where you reside and the sort of equipment you pick, a 5 kilowatt (kW) solar energy system might cost anywhere from $9,000 to $15,000.

Although this may appear to be a large sum of money, a solar-plus-storage system can be a sensible investment. The way your electric company frames its tariffs, as well as your reasons for installing a solar battery, will influence whether or not the LG Chem RESU makes sense for you.

Depending on where you live, you may be eligible for financial incentives that might help you save money on your home energy storage installation. For example, if you live in California, the Self-Generation Incentive Program may be able to provide you with a cash refund that covers the majority of your home battery expenditures (SGIP). Other states (including Massachusetts) are investigating battery storage performance incentives, and several currently offer cash rebates.

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