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The Advantages of Lithium Ion Battery

The Advantages of Lithium Ion Battery

May 7,2021.

The two main forms of renewable energy, the sun and wind, are considered intermittent resources because the sun does not always shine and the wind does not always blow. However, new energy storage technologies such as lithium-ion solar battery will enable 7 x 24 hours of home solar power generation. In this blog, we'll discuss advantages of lithium ion solar batteries'.


What is a lithium ion solar battery?


Lithium solar batteries are a rechargeable energy storage solution that can be paired with a solar energy system to store excess solar power. Lithium ion batteries are commonly used in rechargeable electronics like cellphones and in electric vehicles (EVs).


Prior to the development of the Tesla Powerwall, most solar storage systems were composed of lead acid battery banks. However, there are now many lithium ion solar batteries on the market, so every homeowner can find the right option for them.


The advantages of lithium ion solar batteries include:


The DoD of a battery is the amount of the stored energy in the battery that has been used, as compared to the total capacity of the battery. Most batteries come with a recommended DoD in order to maintain the health of the battery.


Lithium ion solar batteries are deep cycle batteries, so they have DoDs around 95%. Many lead acid batteries only have a DoD of 70% or less. This means you can use more of the energy that's stored in a lithium ion battery without having to charge it as often. Because lithium ion batteries have a high DoD and don’t need to be charged and recharged as often, they have a long lifespan.


Most lithium ion solar batteries have a minimum warrantied lifespan of around 10 years, or a cycle life of 10,000 cycles - whichever comes first. Lead acid batteries, on the other hand, only have warrantied lifespans of around 5 years.


Higher energy density. The energy density of a battery is how much power the battery can hold relative to the physical size of the battery. Lithium ion batteries can store more power without taking up as much space as a lead acid battery, which is great for homes where space is limited.


Lithium ion batteries have a higher round-trip efficiency rating than other types of solar batteries on the market. Efficiency refers to the amount of usable energy you get out of your battery compared to how much energy it took to store it. 


Lithium ion batteries have efficiencies between 90 and 95%. Not having to worry about regular maintenance is one of those advantages that you just can't put a price on. Lithium ion solar batteries do not require maintenance like flooded lead acid batteries do.


By the way, Lead acid batteries are also popular for off-grid solar system projects that aren't used regularly - like vacation cabins. But for everyday use, spending extra on a lithium ion solar battery is probably your best bet.

Whether it's for off-grid battery backup or for a grid-tied solar system, energy storage can help you run entirely on clean energy. Contact Sunway Solar to find the best solar battery system to pair with your solar panels.


How Can Sunway Solar Help?


As you consider your energy storage system, you’re likely to come across a lot of complicated product specifications. The most important ones to use during your evaluation are the battery’s capacity,ratings, DoD, warranty, and manufacturer. Sunway Solar team of solar panel experts can help you choose the best system for your home or business. Call us today at +86-138-6693-1144 for more information on energy storage systems.

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