If you’ve ever considered investing in solar panels for your home or business, you’ve probably questioned how long the batteries last. Solar batteries are one of the most critical components of your solar power system. It comprises lead-acid batteries that provide a short-term power supply to your solar inverter and solar panel, keeping them running when there’s no sun.
According to the Department of Energy, you’ll maximize your system’s performance by ensuring that its battery is fully charged and maintained correctly. This blog about solar will give you tips for making sure your system’s battery outperforms the average 5-15 year lifespan.
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Many factors affect how long a solar battery will last. Some of these include:
The hotter a solar battery is, the faster it will deteriorate. If you live in an area where temperatures are generally high, you may need to replace your solar battery sooner than someone who lives in a place where temperatures are lower.
If your solar battery is exposed to UV light for too long, it could cause damage and shorten its life span. To prevent this from happening, make sure that when you install your solar panels on your roof or another area where they will be exposed to sunlight, you cover them with a protective cover so they don’t get damaged by UV rays.
Humid conditions can cause corrosion on the metal components of your batteries, which leads to faster degradation and less efficiency over time. If you live in an area where humidity is high, consider investing in a higher-quality product that has been designed to be more resilient against humidity damage.
It’s essential to know the life expectancy of your solar batteries. In general, solar battery lifespans are around 5-15 years.
Before you decide to purchase a solar battery, there are several things you should consider. It’s important to know what to look for to get the most out of your solar battery.
You’ll want to consider the cost of the solar battery itself and how much money you’re willing to invest in installation and maintenance costs. Solar batteries aren’t cheap!
The higher the power capacity of the battery, the more energy it can store and discharge. It is essential because your solar panels produce more energy than your household needs at any given time. All of that excess energy will be wasted unless stored in an energy-dense battery like lead-acid or lithium-ion batteries.
Solar batteries come with different warranties—some last as long as 25 years, while others offer only a few years’ protection against defects or other issues. Make sure to read the warranty carefully to understand what’s covered and what isn’t before making your purchase.
The size of your PV system will determine how many batteries you need and, therefore, what size batteries you can buy. You will also need to make sure that the battery you choose can handle the amount of energy your solar panel’s output.
If you plan to use some of your battery’s charge for off-grid applications or storage, you’ll want to look at batteries with an 80 percent DOD rating.
Lifespans depend on the brand and model of the battery to how the battery is used and maintained. For example, a shallow discharge cycle is ideal for maximizing the lifespan of lithium batteries, so you may want to charge them daily to keep their age at maximum capacity. But if you need more time between charges, set up a delayed charge cycle that allows you to go several days without fully charging the batteries – daily use will still keep them at top power.
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