What Is An Ess Battery And How Does It Work? 

What Is An Ess Battery ?

An ESS (Energy Storage System) battery is a device that stores electrical energy for later use. It allows for efficient and effective management of energy from various sources, including renewable energy sources such as wind and solar power.

The basic components of an ESS battery include the battery cells, a battery management system (BMS), and an inverter. The battery cells are responsible for storing the electrical energy, while the BMS ensures the battery operates safely and efficiently. The inverter converts the DC (direct current) energy stored in the battery into AC (alternating current) energy, which can be used to power homes, businesses, and other electrical devices.

How does an ESS Battery work?

The way an ESS battery works is relatively simple. When excess energy is produced from renewable sources such as solar or wind, it is stored in the ESS battery for later use. This stored energy can be used during times when energy demand exceeds supply, such as during peak usage hours or during periods of low renewable energy production.

The battery management system is responsible for monitoring the battery’s performance and ensuring it is operating efficiently and safely. This system also controls the flow of energy between the battery and the inverter, as well as the charging and discharging of the battery.

When the stored energy is needed, the inverter converts the DC energy into AC energy, which can be used to power homes or businesses. This process is known as discharging. Conversely, when the battery needs to be recharged, the inverter converts the AC energy into DC energy, which can be stored in the battery cells. This process is known as charging.

Advantages of using an ESS Battery!

ESS batteries have several advantages over traditional energy storage methods. One of the main benefits is that they allow for efficient management of energy from renewable sources. They also help reduce the overall energy demand during peak usage hours, which can help reduce the strain on the electrical grid.

In addition, ESS batteries provide backup power in the event of a power outage, which can be particularly useful for those living in areas with unreliable power grids or for critical infrastructure such as hospitals or data centres.

Overall, ESS batteries are a valuable tool for the management of renewable energy sources and for ensuring a reliable and efficient energy supply. As technology continues to advance, it is likely that ESS batteries will become even more prevalent and play an even greater role in the transition to a more sustainable energy future.

You can get premium ESS Battery from Akira, reputed ESS & EV battery Battery Manufacturer in India.

What is ESS Battery in Electrical Vehicles?

You might have heard that energy is difficult to store on any scale and is either dissipated or lost after being used. That is where an ESS comes into picture. ESS is the abbreviation of Energy Storage System and is widely used for various applications.

What is ESS?

ESS or Energy Storage System can be defined as a device or a group of devices assembled together to convert electricity from the power systems and to store energy by converting electricity to other forms of energy in order to supply electrical energy at a later time for use by converting it again into electricity. The most common type of ESS are the battery ESS which are used widely for various purposes.

It is the most advanced technology developed to provide a wide range of options to use it more efficiently and systematically by reducing the costs and dependency on the utilities to provide electricity. It provides a more resilient energy infrastructure, eventually reducing the consumption of electricity by a stable supply of power and thus reducing the costs of both the consumers and utilities.

These ESS have various uses in different sectors like power transmission, power plants, homes, factories etc. But the biggest advantage of an ESS is its use in the electrical vehicles.

ESS in Electrical Vehicles (EVs)

The transportation system in India is going through a massive change as the government is planning to bring more efficient ways by undergoing a global transition of making the Indian market shift from Lead Acid batteries to Lithium ion batteries containing the latest technology of ESS or Energy Storage system. With the increase in demand in the electrical vehicles and stationary energy sources, the use of Energy Storage systems is being recommended for the ecosystem.

The government is trying to start the use of ESS in the electrical vehicles on a very large scale. The perfect size and capacity is a very crucial part for an electrical vehicle as it decides the weight of the vehicle and the manufacturing cost of it.

Lithium ion batteries are a little expensive to manufacture. They are used in various devices but particularly in the electrical vehicles. With the introduction of ESS, energy can be stored and used later which has been a game changer in the field of technology. 

The demand of Energy Storage systems is increasing day after day as the marketers and consumers are increasing the demands of the use of electrical vehicles everyday. Smart charging will always be essential for the world as the demand for electric vehicles will increase as it is one of the safest, cheapest and cleanest forms of transportation system available.

ESS battery manufacturer in India

Akira being the largest ESS battery manufacturer in India produces the battery with the intention of providing a reliable energy source. We are also known as EV battery manufacturers who equip the battery with the latest technology with high efficiency and durability.

Benefits of Lithium-Ion Batteries

Nearly all of the electronic devices we use on a daily basis, from our earbuds to our laptops and cell phones, are powered by lithium-ion batteries. These batteries are widely used in the electric vehicle industry as well and are not just used in consumer gadgets. 

The need for lithium ion batteries has grown significantly over the past several years since they are seen to be the most suited energy storage systems for powering electric cars.

Due to these high demands, there has been a rise in the number of lithium-ion battery manufacturers across the world. If you want some reasons to choose lithium ion batteries, here are some of the benefits of choosing lithium ion batteries:

Understanding the Benefits of Lithium-Ion Batteries

1.High Power Density

First off, lithium-ion batteries have a tremendous power capacity. Their energy density, which ranges from 100 to 200 Watt-hours per kg among different battery types, is one of the greatest. Because of this, they serve high-power sources for green applications like electric vehicles .

2.Low self-discharge rates

The shelf life of batteries is shortened by self-discharge. Low self-discharge rates, a measure of how rapidly a cell will lose its energy when lying on the shelf owing to undesirable chemical activities within the cell, are essential for any device that needs a continual source of power.

Many lithium-ion battery manufacturers are trying to bring innovative batteries that will have a lower discharge rate.

Self-discharge rates change depending on the type of battery and the surrounding temperature. Self-discharge rates for lithium-ion batteries range from 1% to 3% monthly. Other batteries, in contrast, self-discharge at rates between 15% and 30% monthly.

3.High recyclability and minimal impact on the environment

Lithium is totally recyclable and non-toxic. These batteries are easily recyclable after use in the industries where lithium, cobalt, nickel, and manganese metal salts are mined. The construction of various energy storage systems makes use of these extracted salts.

Clean energy can be produced by lithium-ion batteries, which are very simple to recycle. Lead acid and Nickel-Cadmium batteries, by contrast, are extremely hazardous and challenging to recycle.

4. Quick recharging

Lithium-ion batteries can be charged in no more than an hour. Compared to lead acid batteries, which require more than 10 hours to charge, this is a lot quicker. 

It takes two to four hours to fully charge lithium ion batteries. This is crucial for taxis and rental cabs because they generate more revenue for their drivers with less downtime.

5.Easy to maintain

Compared to other batteries, lithium-ion batteries require comparatively little maintenance to remain functional. Since there is no memory effect, these batteries don’t need any special maintenance to increase their lifespan.

Summary

Lithium ion batteries are an integral part of today’s world and are used almost everywhere. Above mentioned are some of the important benefits of using lithium ion batteries from leading lithium ion battery manufacturer, Akira who also rank as one of the top Telecom Battery Manufacturers in India.

Useful Advantages of Lithium-Ion Batteries

Lithium-ion batteries, rechargeable batteries, have become an integral part of modern inverter technology after being introduced in the year 1999. Now, not only inverters but they power tablets, laptops and smartphones across the world. Apart from that lithium-ion batteries are proving their potential by supporting electrical vehicles in the emerging market. Many experts are predicting that the benefits offered by these batteries are bound to replace conventional petrol-fuelled vehicles by empowering electric cars, electric motorcycles, trucks and buses. There are many advantages of this type of battery which are then resulting in a hike in the number of EV Battery Manufacturer. With the information provided in this blog, you can enhance your knowledge base related to amazing benefits offered by lithium-ion batteries.

Compact and lightweight

Lithium and carbon electrolytes are used in lithium-ion batteries and the properties of these electrolytes include lightness. They are also smaller than the components used in lead-acid batteries but they offer twice the capacity. This characteristic makes lithium-ion batteries easier to carry, and achieve increased runtime.

High energy density

Lithium is a metal that releases and stores great amounts of energy packed in a small size. It also delivers a high level of performance. This leads to longer life of the batteries as compared to other rechargeable batteries. If you are looking for a high-quality battery option then you can choose Ruchira Green Earth,one of the leading lithium-ion battery manufacturers in India. You can contact the professionals and find out the best one as per your requirements.

Require less maintenance

Unlike many older types of batteries, lithium-ion batteries don’t have a lazy battery effect or memory effect. It means that they tend to use all their power and give up their last bit of power. In simple words, these types of batteries can be recharged any time, no matter if the battery percentage is 95% or 20%. The best part is that there is no high-fi maintenance required for the same.

Low self-discharge rate

Self-discharge is an irreversible and natural phenomenon that every battery has to go through. Lithium-ion batteries possess that rate to be very low which then reduces its recharging requirements. Within the first 24 hours of use, the battery peaks at about 5% of self-discharging rate and then it stabilizes at 1-2% of self-discharge in a month. On the other hand, nickel-based rechargeable batteries lose around 10 to 15% in the first 24 hours and then another 10-15% in a month.

How Can Solar-Powered Homes Contribute to Green Living?

Solar-powered energy is gaining all the hype in the 21st century. There are many advantages that the world can reap from the sun. Decreased dependency on the limited sources of energy, reduced electricity bills, reduced carbon imprints leading to a greener atmosphere, etc. In the northern part of India, we mostly hear about long power cuts. It is due to the lesser amount of water availability. In Haryana too, many battery manufacturers are trying their best to produce the highest quality solar batteries and solve the issue.

Many Solar Battery Manufacturers in Haryana are contributing to making our lives greener.

Here, in this blog, we will discuss how the use of solar energy can make green living easier. Let’s get started.

  1. Lighting:

Outdoor lighting is now powered by solar energy. With the use of solar panels, lighting is supported by solar energy. There are several solar lighting products available for homes, fences, and walls. Flashlights, lanterns, and string lights are also available under this segment.

  1. Generators:

 Solar-powered generators are neither noisy nor smelly, unlike other traditional generators. You can get rid of the smelly gas-powered and noisy engines. Though they might not fulfill all your power needs, they are sufficient for smaller devices and appliances. 

  1. Water heaters:

These are widely needed and used appliances during winters. Where traditional water heaters can prove very expensive, solar water heaters can cut costs and conserve energy. Several types of solar heaters are available like direct and indirect circulation systems and flat plate and integral collector systems. 

If you need any kind of help in selecting the best solar battery as per your requirements, then contact Ruchira Green Earth. They are one of the leading solar battery manufacturers who have served millions of customers for decades. 

  1. Chargers:

This might come as a surprise to you, but many vendors have started supplying solar-powered chargers for tablets, cell phones, etc. In many chargers, there is a large fold-out panel capable of soaking sunlight. Many are also equipped with USB backup capability alternatively to be used during cloudy days. 

  1. Security:

Solar-powered security cameras are also helping us to lead a greener life. With the rise in usage and requirement, competition in this field is increasing. So, we are getting a large number of benefits like increased features. For example, cameras with motion detection, night vision, audio, facial recognition, and video storage options. 

Tip- Having battery backup and an electrical connection for cloudy days is a must.

  1. Attic Fans:

An attic fan is one of the devices that is used to keep homes cooler during summers. It pushes out hot air and keeps homes cooler. Attic fans also reduce moisture during snowy winters. They are also powered by solar energy. Hence, making things simpler. 

  1. Green Driving:

The use of EV batteries as a source of clean energy is increasing these days. Many Ev battery manufacturers in Haryana have turned the way we used to look at emissions by electrical vehicles. Ruchira Green Earth can help you in enjoying efficient storage capacity and increased energy potential without any hassles.

Why lithium ion technology is considered the future of energy?

Energy storage is an invention that has changed the course of human life for the better. Though the term ‘battery’ and modern day battery features are relatively new inventions of the 19th century, the use of stored energy has ancient relevance. Prototypes of the present batteries that produce electrical energy have gone through a massive evolution. The lead acid type of battery that is still in use is one of the first rechargeable type batteries.

As of today, the batteries in use are compact in size and come in various capacities. Akira is a leading lithium-ion battery manufacturer in India that is offering high quality batteries for vehicles and household use. Lithium ion batteries are one of the finest innovations that are being used to power a variety of gadgets and equipment from phones to solar. Let’s have a look at why they are considered one of the best innovations for the future of the energy sector.

Characteristics

· A late twentieth century invention lithium ion batteries have high energy density.

· They have specific cathode formulations appropriate for different applications.

· For the anode, graphite is commonly used.

· The electrolyte is usually a type of lithium salt suspended in organic solvent.

Uses and life cycle

Lithium-ion batteries have found their usage commonly in the portable electronics and electric vehicles

· Defined as the number of full charge-discharge cycles, the life of a lithium ion battery is around two to three years. Generally, they give about three hundred to five hundred charge cycles depending on the manufacturing brand.

Performance, cost, and safety

· Energy capacity of lithium ion batteries is very high and unmatched with any other type of battery.

· Though the cost of the lithium ion batteries might seem higher than other types of batteries especially in vehicles, you have to remember they replace the use of fuels. Hence, in the long term, they are way more cost saving.

· The flammability of the electrolyte used in portable electronic devices is a concern but research is underway to find non-flammable electrolytes.

The lithium ion batteries are appropriate for both commercial and home use. Scientists and researchers are exploring further opportunities for use for lithium ion batteries. Compact in size, the lithium ion rechargeable batteries are safe to use and provide high efficiency. Lithium ion battery powered two wheelers and three wheelers are the best examples of high capacity and energy efficiency.

If we are to accelerate the pace of transition to a carbon-free world, E-mobility is the best solution. Electric vehicles are not only energy efficient, but also highly durable if the batteries are bought from a reputed. In India, Akira is a leading brand that manufactures lithium ion batteries for two wheelers and three wheelers and is also leading as a Telecom battery manufacturer in Haryana . An initiative of the Ruchira Group, Akira is pioneering the way towards energy efficient futures in a sustainable way. Given the rising fuel costs and fuel caused damages to the earth, electric vehicles are best suited for the present times and the future. Akira manufactures high quality lithium ion batteries to power up your two wheelers and three wheelers.

E-Scooter Or Regular Scooter? Which One is Better For You ?

Science and technology invented various types of electric motor vehicles for people’s comfort, luxury, and autonomy of mobility. For example, people use E-Scooter and regular scooters for transportation when they need to take short rides instead of cars. Mostly the choice depends on people’s wishes. Some want to go with E-Scooter whereas others with the regular. Most of us know that regular scooters run with the help of petrol. But, being a relatively new technological innovation, E-Scooter are yet to be understood properly by the general public. It works the same as regular scooters but without the help of petrol. Now you must be thinking how does it run? It runs with the help of a battery. Without the batteries, the engines or the motors of both types of two wheelers are as good as dead. Here, we will discuss the differences in detail to help you make a smart choice. 

Some basic differences between E-Scooter and regular two wheeler batteries:

  • Volts: Looking at the size and weight of our two-wheeler one must think that a regular scooter or scooty is heavier and larger than an E-Scooter, so it requires more volts to work. But that’s not the case. The reason is that a regular scooter needs volts only to start the vehicle and the rest is continued by the engine with the help of petrol. But in the case of E-Scooter, the battery is the all-in-all. The flow of current carries the scooter from one place to another when someone rides. Higher is the volt, fast is the flow of current. So in e-Scooter, the volt required is more than of a regular bike battery.
  • Types of battery: We can use the same kind of battery for both E-Scooter and the regular two wheelers if we want, but it might not be comfortable for us. From the review or experience, it’s known that lithium-ion batteries are lightweight, charge quickly, and last for a fairly long time. So it is a better choice for an E-Scooter. 
  • Design and manufacturing: When we look at two wheeler batteries, we can see that although we use both E-Scooter and regular two wheelers for transportation, their structure and system are different. Technically both the bikes don’t work the same. We know that electric scooter are regular scooters with the addition of an electrical drive system. It consists of a battery, a motor, and a way to integrate power. But a regular two wheeler needs one more major thing that is petrol to get the energy to work. 

Judged from cost, efficiency, and environmental sustainability, E-Scooter with lithium-ion batteries are a better choice. All you need to do is choose a powerful lithium-ion battery from a reputed E-Scooter battery manufacturer. Akira is a leading lithium-ion two-wheeler battery manufacturer reputed for highly efficient and durable E-Scooter batteries. If you are wondering which brand to buy from, doubtlessly Akira is the best choice as it also offers low maintenance at an affordable cost. Know more: https://ruchiragreenearth.com/

Akira Why To Invest In Lithium Batteries Today

Lithium batteries were introduced during 1980-the 90s. The invention helped in revolutionizing laptop computers, cellular telephones, and other portable electronics markets. Lithium batteries are those batteries that have lithium as their anode. In the batteries, the charge moves from cathode to anode during charging and from anode to cathode when they are discharging. High efficiency and energy density and lightweight are the main characteristics of lithium batteries. 

Why Do You Need Lithium Batteries?

Out of other types of batteries available in the market, lithium batteries are contributing to increased application in emerging technologies. Take a look at the advantages of lithium battery over other available options-

1. Portability

Logistics is one of the main benefits that can be reaped by using lithium batteries. According to lithium battery manufacturers, it is the top reason why people invest in it. It can be taken anywhere without any overflow of acid.

2. Quick Charging

Yes, it is another big thing to be kept in mind while deciding on which battery to invest in. These batteries recharge much faster as compared to lead-acid batteries. That is why companies are actively using the battery to give a full day backup to mobile batteries by charging for a small period of time.

3. Free From Maintenance

You don’t need to worry about taking it to lithium battery manufacturers or call professionals frequently. Investing in this will help you in saving maintenance time. In addition, they don’t have any memory effect, which means they don’t have to be completely discharged before charging it again.

4. High Efficiency

If you are looking to choose a battery that is long-lasting, reliable, and stable, then a lithium battery is the answer. It is because they have denser energy that makes them capable of having high power capacity. They can also be used for power requirements like mobile phones and laptops.

5. High Cycle Life

Lithium batteries handle a life cycle of more than 3000 times in their lifespan of over ten years. They are lightweight and compact in size. That is why lithium batteries are used in multiple portable consumer electronic devices.

6. Cell Voltage

The voltage produced by a lithium battery is 3.6 volts which is much higher than nickel-metal hydride, nickel-cadmium, and standard alkaline cells. That is why lithium batteries require fewer cells in many applications. Even for smartphones, a single cell is needed which makes it simple to manage power.

Bottom Line

Lithium batteries have very distinct advantages as mentioned. You can leverage them all. If you are looking for effective and state-of-the-art technology in lithium batteries, then reach Akira Battery Manufacturers. The lithium-ion battery available in the company will help you get the highest quality. You can just call the professionals; they will guide you regarding the choice you should make. Visit www.ruchiragreenearth.com for more information.

The Unique Challenges of Lithium-Ion Battery Safety

The demand for lithium-ion batteries is growing at an exponential rate. The reason being the rise in the variety and number of IoT-based devices, battery-oriented material handling, and automation equipment. From high-capacity batteries to small smartphones, the high energy density of the cells costs less than other battery technologies. But there are some risks to using Li-ion batteries.

What Are Those?

As there are different requirements for batteries like Li-ion cells for smartphones, 3-12 Li-ion cells for laptops, and hundreds of them for airplanes and cars. They are produced in myriads of forms like a pouch, cylindrical, and prismatic. Cell cases can be soft and hard and electrodes can be stacked and wound. Some of the other problems include-

·       Over-voltage

·       Overcharge

·       Charging outside of the accepted

·       Over-discharging

·       Fast-charging of the over-discharged cells

·       Deep discharging

1. Internal Short Circuits

Overcharging and rough handling can lead to internal short circuits. When the battery becomes stuffed with the ions then it expands which can mechanically stress out the battery. Hence, electron-conducting metallic deposits can be the result.

2. Charging Problems

When the battery is not charged between the temperature +5 to +45 Celsius degrees it could suffer severe damages like cell rupture and runaway. It will end the decomposition and oxidation of the electrolyte.

3. Voltage Limits

Lithium-ion batteries have a high vulnerability to stress when voltage ranges outside the safe voltage. When the battery exceeds this range, then premature aging happens.

Battery Safety Is Must

Nothing to worry about the issues. Solutions come along with the problems.  Many battery manufacturers are striving to come up with solutions to the problems commonly faced. Battery Management System is the answer to all the battery-related issues. It acts as a watchtower inside the battery. It can-

·       Detect potential threats

·       Give protection to the battery from severe damages

·       Enhance the reliability, safety, and longevity of the batteries

But what really is BMS (Battery Management System)? It is a controller and a sensor that computes and measures data for ensuring the operation of the battery safely.

It also works to avoid the distribution of power and safeguards the battery pack from any kinds of loss and damage. The critical information and services that BMS provides are-

·       Over-cutting protection

·       Cell balancing

·       SoC and SoH Calculation

·       Data analysis and acquisition

·       Thermal protection

·       Over & Under Voltage Protection

·       Avoid thermal runaway with pre-emption

·       Warning of potential failure with detection

·       Stop thermal runaway with intervention

·       Minimize damage with containment

At the vehicle level as well, BMS can help you with offering information about safe driving, preventive protection, secure and rescue, and adaptive protection.

Lithium-ion Battery manufacturers are using technology to ensure the safety of the battery at the battery, vehicle, integration, and component level. Akira is a leading lithium-ion battery manufacturer that deals in high quality batteries for two wheelers and three wheelers. Visit them at www.ruchiragreenearth.com  to find the battery that suits your needs.

Know Your Two-Wheeler Battery Better: Important Battery Terms

Do you find it hard to buy a new battery for your two-wheeler because the specifications required have unfamiliar terms to understand? Have you faced difficulties in comprehending the battery terms when a seller or mechanic explains it to you? An informed customer is the best buyer and it is the responsibility of any reputed battery manufacturer to provide easy access to information related to their products. In this blog post let’s get to know a few of the basic battery terms in frequent use. This will certainly help you to understand your battery requirements better to make a wise choice in purchasing.

Functions of a battery in a two-wheeler: 

Starting the engine is the most important and most basic function of the battery in two-wheelers and automotive. Whether your two-wheeler is used frequently or kept idle, whether your two-wheeler is being used in a cold climate or hot, you need to start using it. Therefore you need a battery powerful enough and compatible with all these different conditions. Apart from starting, the battery is in use for the purpose of horn and light. However, for e-bikes, rechargeable batteries are the real fuel that functions to pull the vehicle through a motor. There are a few leading two-wheeler lithium-ion battery manufacturers to choose the best battery you need. 

7 basic battery terms

  1. Volt: Since starting the engine is the most important function, the volt is a very important term to understand. Volt is the unit of pressure from an electrical circuit’s power source. This pressure pushes charged electrons (current) towards functions like lighting a bulb or starting an engine. For two-wheelers and cars, 12V batteries are needed. 

In this environmentally conscious age, people are taking a responsible step and opting for e-bikes. For e-bikes, the battery works like fuel and therefore there is a need for more voltage. Usually 48V to 72V batteries are used in e-bikes.

2. Amp-Hour: Because of the volt or pressure generated, amperes of current flows in the electric circuit. Ampere is the unit that measures the rate of flow of electric current and amp-hour or ampere-hour is the amount of energy charge in a battery that allows one ampere of current to flow for one hour. A 12V two-wheeler battery can typically deliver 4.5 amperes/hour. 

In the case of e-bikes amp-hour empowers a controlling function between the battery and motor. Usually a 10Ah battery works well with a 20Ah controller.

3. Cold Cranking Amps: CCA refers to a battery’s capacity to kickstart the engine even in cold climatic conditions. The CCA rating refers to the number of amps a 12-volt battery can deliver at cold temperature while maintaining the voltage.

4. Acid: Sulphuric acid (H2SO4) or a mixture of sulphuric acid and water is used as an acidic substance to form the electrolyte of the battery. Occasional distilled water top up is required to maintain the electrolyte level. The better the battery, the lesser the frequency for top up.

5.Active-material: Active-material refers to the active portion of the battery plates. Depending on the technology used, active-material can be different.

6. Lead-acid batteries: Lead-acid technology is one of the oldest technologies for batteries which is also comparatively cheap. They are a type of rechargeable battery using sponge lead and lead peroxide for conversion of chemical energy to electric power.

7. Lithium-ion batteries: Li-ion is an advanced battery technology that uses lithium-ions to travel between electrodes through the electrolyte to produce power. Though it is a bit costlier, effectiveness is unmatched in terms of energy and power range. Besides, there’s the boon of low maintenance and longer durability.

Choose the best battery for your two-wheeler!

A two-wheeler is your companion to carry out important everyday tasks as well as occasional adventure or romantic rides. To get the best performance and stay hassle-free, you need to choose the perfect battery from a reputed two-wheeler battery manufacturer. Ruchira Green Earth,a lithium-ion battery manufacturer,  has moved a step further towards ecological sustainability by promoting e-vehicles with a range of batteries under the flagship brand Akira. The e-bike batteries by Akira are cost effective as well as best performing.
No more confusion,  the best option! Choose for uninterrupted and powerful rides. Visit us to know more: https://ruchiragreenearth.com/ev-batteries/e-cycle-batteries.