Solar lithium battery… The joy of a solar system is a good and effective battery backup. However, your solar battery bank is worthless if you do not have a sufficient charging system. We have types of solar batteries with different rates of discharge known as depth of discharge.
Depth of discharge is one of the factors to consider if you want to choose the right panel size that can charge your batteries effectively.
This article provides first-class answers to some challenging questions you might experience in your installation and maintenance journey. Aside from the case topic, this article also addresses some questions like [Is lithium battery good for solar, How much is lithium battery for solar, How many hours does a solar lithium battery last].
However, the answer to the above questions is revealed clearly in this article. So, I urge you to keep reading. Also, you should pay attention to every sentence here to detect the solution to all your worries.
WHAT SIZE SOLAR PANEL TO CHARGE 100AH LITHIUM BATTERY? SOLAR LITHIUM BATTERY
Using an MPPT charge controller, you would need about 250 watts of solar panels to charge a 12V 100Ah lithium battery from 100% deep discharge in 5 peak hours of sunlight. Using a PWM charge controller, approximately 300 watts of solar panels are required to charge a 12V 100Ah lithium battery at 100% depth of discharge within 5hours peak of sunlight.
Let’s see the mathematical approach:
Step 1 The Battery Amp hours AH = 100
Step 2 Battery voltage= 12
Step 3 Energy=100 x 12 = 1200Wh
Note: This battery can discharge all the 1200Wh energy because it is a lithium battery with 100% depth of discharge (DOD).
Assuming it’s a Lead acid battery, the total dischargeable Energy could be 600Wh. This is because Lead acid has 50% DOD.
Step 4 hours of peak sunlight= 5hrs
Step 5 Required solar panel power = 1200Wh/5 = 240 watts
But for accuracy’s sake, I approximate it to 250W if you are using an MPPT controller and 300W if you are using a PWM controller. Moreover, If you wish to know the difference between the two controllers, here is your aid.
IS LITHIUM BATTERY GOOD FOR SOLAR? SOLAR LITHIUM BATTERY
In the field of solar inverter systems and battery energy storage in the past two years. Lithium batteries have gradually replaced traditional colloidal underground batteries. It has become the new favorite in the market. So it has advantages that make it possible to replace gel batteries.
However, it also has some disadvantages which you can check out here. Below are some solar lithium batteries advantages that users need to pay attention to during use.
Advantages of solar lithium battery
- . High operating voltage
- . high energy density
- . Low self-discharge rate.
- . no memory effect
HOW MUCH IS LITHIUM BATTERY FOR SOLAR? SOLAR LITHIUM BATTERY
The price of lithium batteries used in solar system installations is related to the lithium battery core materials used. Different lithium battery core materials have different lithium battery prices.
There are lithium batteries with 200 cycles, 300 cycles, and 500 cycles. Therefore, Lithium battery price depends on the core material used in producing it.
HOW MANY HOURS DOES A SOLAR LITHIUM BATHERY LAST?
There are two ways to answer this question. Firstly, you should determine the total rated power of all your appliances. Ideally, a fully charged battery should keep your house running overnight when the solar panels are not generating power. However, it is not so because batteries are dischargeable. The discharge time depends on the load and the battery type in use.
Secondly, you should take note of the solar battery capacity and power rating. To make a precise calculation, you need to know a few variables. These include the energy quantity your home consumes daily and the solar battery capacity in Kilowatt hours (KWh).
SUMMARY | SOLAR LITHIUM BATTERY
In conclusion, you have seen that Lithium battery is worth it’s price gap from Lead acid battery. It has numerous advantages that are not covered in this article. And you can check out here if you wish to know more about its advantages and disadvantages.
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