A solar battery stores energy from solar panels for later use, requiring an inverter to convert the stored DC energy to AC. The document compares different types of solar batteries, focusing on tall tubular and lithium-ion batteries, detailing their costs, life cycles, advantages, and disadvantages. It also provides a price list for various solar battery models and offers guidance for purchasing based on brand reputation and battery specifications.

1. Solar Battery
Solar battery refers to devices that store energy generated from solar panel for later use. Solar battery
designed for connecting with solar charger controller or solar inverter for giving power backup.
Solar batteries work by storing energy generated from solar panels during the day. They save
energy as DC energy and therefore, you will need a power inverter to convert DC energy into
AC energy.
Some of the major contributors to the cost of solar battery are chemical substances and plates that
make up the battery, battery life cycle, storage capacity and usable capacity
Whether you choose a battery manufactured by a state-of-the-art startup or a manufacturer with a long
history depends on your preferences. An evaluation of the quality and warranties associated with each
product can give you additional guidance when making your decision.
Types of Solar Battery
When evaluating solar battery options you should use some compare some specifications such as
technology, brand, life cycle, and maintained etc.
Below, learn about all the criteria you should use to compare your home's energy storage options, as
well as different types of solar batteries.
There are generally many types and technologies in solar batteries, but Tall Tubular and
Lithium-ion batteries are most successful batteries for solar applications.
Tall Tubular Solar Battery
Solar battery is the upgraded version of normal tall tubular battery as per solar application
requirement.
For solar application, batteries required to be charge on low ampere. So, tall tubular solar
batteries are designed in C-10 types for slow charging capabilities.
Tall Tubular battery is the most success and oldest technology in batteries. Mostly, you will
need either 12V 150 AH solar battery for home.
Pros and cons of Tall Tubular solar battery
Pros - Advantage
• 1500 Life cycles

2. • 5-7 years life.
• Cost effective.
• Easy to maintain.
• Low cost repair.
Cons - Disadvantage
• Heavy in weight.
• Timely refill required.
• More space required compare to lithium.
Lithium-ion Solar Battery
There are different types in lithium ion solar batteries. The best type of lithium ion battery for
your solar panels is lithium iron phosphate (LiFePO4). LiFePO4 batteries are completely safe,
not burned or stable for 15 to 20 years and maintenance-free. It has good electrical
performance with low resistance. The main advantage of this battery is the good thermal
stability, increased safety, in addition to the high current rating and long cycle life if misused.
Solar batteries for home with solar panel are increasingly focused on lithium-based batteries,
which have seen a steady reduction in costs in recent years.
The biggest benefit of lithium-ion batteries is it’s extremely high life-cycle (up to 5000 cycles)
and its high charge and discharge capabilities that help harvest more energy from your solar
panels. They also lose less capacity at idle, which is useful in solar installations where energy is
rarely used.
For these reasons, lithium ion batteries are a good choice for any solar PV system, small or
large, off-grid or grid-tied. The biggest disadvantage is its high price tag. Lithium ion solar
battery systems can cost 4 times more than a flooded solar battery system.
Pros and cons of solar lithium ion battery
Advantage
• 5000 life cycles.
• 15 years life.
• Low maintenance.
• No refilling required.
• Less in weight and space.

3. • High energy density.
• Fast charge and discharge.
• High efficiency up to 97%.
Disadvantage
• Expensive: Double in cost compare to other.
Solar Battery Price List 2019
Generally, solar battery price start from 20 AH @ Rs.2800 to 200 AH @ Rs. 12,000. Price of solar
battery also depends on quality and solar brand.
Price List
Solar battery model AH rating Selling price
20 AH Solar Battery 20AH Rs. 2,800
40 AH Solar Battery 40AH Rs. 3,700
60 AH Solar Battery 60AH Rs. 4500
75 AH Solar Battery 75AH Rs. 6000
100 AH Solar Battery 100AH Rs. 7,800
150 AH Solar Battery 150AH Rs. 11,900
200 AH Solar Battery 200AH Rs. 12,900
Warranty of Solar Battery
There is a warranty of 3 to 5 years.
Because of battery performance naturally decreases over time, most manufacturers will also guarantee
that the battery retains a certain part of its capacity during warranty. This is that it depends on the
brand of battery you have purchased and how much capacity it will lose over time.
The brand will replace it with a new battery and during the Pro Rata warranty period, a new battery is
offered at a discounted price, also known as a buyback offer.
Conclusion - Solar Battery Buyer’s Guide
Calculation of Solar Battery Back up
• Solar batteries come in 12 volt standard.
• Quantity of solar batteries depends on the volt of solar inverter.

4. • For example 1 kW Solar system, it comes in 24 volt with 2 batteries of 12 volt.
• All Solar systems come with standard battery back for 6-8 hours.
• You can also increase your battery backup by purchasing higher AH rating
battery or you can double the quantity of batteries.
• You can decrease the battery backup by installing lower AH rated batteries.
Choose solar battery
• Go with reputed solar brand only.
• Better to install the solar inverter and battery of same brand.
• Tall tubular solar batteries are better and cost effective.
• Go for 150 AH rating battery with 5 years warranty.
Another important component of a solar battery is the solar inverter or solar charge controller.
This helps to ensure that the energy produced during the day does not overload the battery.
In addition, it prevents the power stored in the cells from running back into the panel and
destroying the battery overnight.
FAQ about Solar Battery
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