How energy stored in Solar Battery ? | it’s Importance | Solar-Plus-Storage

Solar Battery

Solar batteries are utilized to store solar energy (solar electricity) and release electricity as and when required.

Solar panel collects energy as sunlight and convert that in the form of electrical power directly with the help of photovoltaic. This electrical energy can then be utilized to provide household applications the electrical grid or by solar battery or by direct applications. Solar panel is combination of multiple discrete solar cells mounted together, which are itself composed of layers of various materials silicon, phosphorus, and boron etc. Solar panels captivate the photon and, in this process an electric current has been created from the solar panel.

Solar cells are employed to store electricity. Some banks utilize cells, but some utilize sealed or gel cell phones. Every battery has a rated temperature and venting requirements. A battery system reserves energy for consumption. The electricity is absorbed during energy demand peaks or even a power outage—most typical in industrial or residential buildings. The battery car manufacturers like Tesla, are highly interested to develop solar batteries for the purpose of “solar-plus-storage” system.

Solar energy is already a fastest-growing sector and becoming one of the main renewable energy resource all over the world, and will continue it’s progress. The prevalence of solar power has led to the following renewable technologies: solar cells which able to store excess solar-energy for future applications and usage.

How is solar energy stored in batteries?

Solar Battery Connection
Image Credit: Inveneo, Solar-battery-computerCC BY-SA 3.0

Solar battery operates by keeping energy generated by your solar panels for usage. In some cases, batteries possess their inverter and provide energy conversion. The greater your battery’s power, the more energy it can store.

When installing a solar panel as part of your solar panel, it is possible to store surplus solar electricity in your house rather than transfer it back into the grid. When the solar panel is not utilized to generate electricity, the energy could be saved in solar battery for future usage.

In technical terms, this implies that houses with solar-plus-storage can store surplus solar energy onsite after the sun is not shining. As a bonus, because cells store energy in your house, they offer you power if there is a power outage in your region.

Why Should I install a solar battery at home?

By installing a battery, you may save money, depending on how your utility compensates you. Most utilities offer you complete internet metering, meaning that you get a credit on every KW-hr of electricity your solar panel create. This usually means that you will not find savings on your electricity bill when you put in a solar battery. If your utility has demand costs or prices or does not provide net metering, batteries can allow you to save more if you go solar.

While batteries are paired with house energy programs, they may be helpful to homeowners with no panels. Small-scale energy storage, the technologies employed in systems, maybe charged using electricity in the grid to supply electricity without a backup generator.

Car battery application in EV image credit : pixabay free images

Solar Battery Options

Some batteries may be utilized as a solar panel battery. The most popular are lead-acid and lithium-ion. Among these options, lithium-ion batteries would be the most suitable choice for a battery storage system.

Lithium ion Solar Battery

The hottest of home storage containers and lithium battery has the extensive operating life. It’s also compact and light weight as per design in comparison to the other batteries. It is one of the most expensive option though.

Lead acid Solar Battery

This is among the least expensive one but have the shortest operating life and capability of utilization. Though it is affordable option if you are attempting to store energy for less time, but it might cost you more in longer run because of  regular replacement of complete set of battery.

Battery bank for solar array:  This is is 1/2 the bank of 1400 AH 12V batteries used to store the energy from the 4 kW solar array. there were 60 batteries in total.
Battery bank for solar array Image Credit: Stephan Ridgway

Important Factors of Solar Storage Battery

Capacity and Power:

These 2 parameters are vital for understanding the quantity of electrical power a solar panel battery might be stored. Another question is that how much electricity it can deliver at any given instant. The battery’s power rating gives the idea about the amount of electricity that a battery will provide. This is measured in kilowatts (kW) in standard measurements.

To place both of these factors into context, we can look at both extremes; a battery with higher capacity and very low power, and a battery with low ability and higher power. Electricity will provide power. A battery with high capacity may power a house for some time.

Solar Battery life and Warranty

Since the lifetime of any battery degrades over time, you must understand the potential solar battery lifespan. The lifespan of A battery is measured in years or within an entire number of cycles. As time passes, it is going to shed some of its capability. Knowing guarantee and battery life is crucial that you understand before buying.

Image Credit: Noman Sial image credit : pixabay free images
Image Credit: John Englart and

Important parameter related to Solar Battery Storage

To understand a solar storage battery and its appliance, we need to consider some other factors.

Time-of-use (TOU) Rates

Based upon your utility, you might have a speed program. That means that based on the time of day that you utilize your energy, prices will be billed. Electricity costs are greatest when electricity demand is currently peeking from into the day following work. It may save the energy generated by the solar panels throughout the day to utilize at more expensive speed intervals. Peak TOU rates are often as much as twice the off-peak rates. Thus, a panel storage system may pay for itself.

Net Metering

Utilities have been phasing out their web metering programs and therefore are offering credits to the electricity you’re selling back into the grid. Frequently you can sell your electricity at a reduced pace that is wholesale repurchased afterward. If you’re in this scenario with your usefulness, saving your electricity for consumption in your house is much more precious.

Commercial application of Solar battery image credit : pixabay free images

About Dr. Subrata Jana

I am Subrata, Ph.D. in Engineering, more specifically interested in Nuclear and Energy science related domains. I have multi-domain experience starting from Service Engineer for electronics drives and micro-controller to specialized R&D work. I have worked on various projects, including nuclear fission, fusion to solar photovoltaics, heater design, and other projects. I have a keen interest in the science domain, energy, electronics and instrumentation, and industrial automation, primarily because of the wide range of stimulating problems inherited to this field, and every day it’s changing with industrial demand. Our aim here is to exemplify these unconventional, complex science subjects in an easy and understandable to the point manner.
I am passionate about learning new techniques and guide young minds to perform like a professional, have a vision, and improve their performance by enriching knowledge and experience.
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