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One Stop Solar Battery Storage Factory For 10 Years

With a decade of expertise in battery production, KET is a leading wholesaler of professional solar battery storage products and can tailor solutions to meet specific requirements.

Our battery pack products are widely utilized in various fields including home and commercial energy storage systems, as well as boats such as sailboats, motorboats, fishing boats, and more.

Our production management system is ISO 9001 certified and we maintain strict standards for production and quality control, ensuring the reliability and safety of our products.

Our batteries have passed many certifications, such as UL, CE, CB, ROHS, UN38.3, MSDS, and TUV, and are available for use and sale in most countries globally.
One Stop Solar Battery Storage Factory For 10 Years
Strict Quality Control For Your Solar Battery Storage

Strict Quality Control For Your Solar Battery Storage

At KET, we prioritize the safety of solar battery storage products throughout their entire lifecycle and have established strict protocols for their transportation and storage.

Our facility is equipped with cutting-edge technology, including an automatic battery cell sorting machine, high and low temperature test box, charge and discharge aging instrument, comprehensive tester, and vibration tester, enabling us to thoroughly evaluate the performance of our products.

To guarantee the quality of our batteries, we conduct comprehensive aging tests and charge/discharge tests to verify their capacity, voltage, discharge, and charging performance.
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Your Best Solar Battery Storage For Sale

Solar battery storage refers to the use of batteries to store excess energy generated by solar panels, allowing the stored energy to be used later when the panels are not generating enough energy, such as at night or during cloudy weather. This technology enables households and businesses to become more energy-independent and reduce their reliance on the traditional power grid. The use of solar batteries helps to optimize the use of renewable energy and reduce the impact on the environment.

How To Custom Your Solar Battery Storage?

solar energy battery storage companies

Note: Due to different custom requirements there will be different MOQ requirements, while the cost of raw materials for batteries has fluctuated a lot recently. So please contact us in time and get the latest solar battery storage quotes.

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Pros And Cons Of Solar Battery Storage

Pros of Solar Battery Storage:

Increased Energy Independence: Solar battery storage systems allow households and businesses to become more energy independent, reducing their reliance on the traditional power grid.

Improved Energy Efficiency: By storing excess energy generated during the day, solar battery storage systems enable homes and businesses to use stored energy when the panels are not generating enough, optimizing the use of renewable energy.

Cost Savings: By reducing dependence on the traditional power grid, households and businesses can potentially save money on electricity bills.

Increased Reliability: Solar battery storage systems provide backup power during outages, ensuring a reliable and constant energy supply.

Cons of Solar Battery Storage:

High Initial Cost: The initial cost of installing a solar battery storage system can be high, making it a challenging investment for some households and businesses.

Limited Capacity: Solar battery storage systems have limited capacity, which means that they may not be able to provide all of a home or business’s energy needs, particularly during extended power outages.

Maintenance Requirements: Solar battery storage systems require regular maintenance and monitoring to ensure they are functioning properly.

Limited Lifespan: Batteries have a limited lifespan and need to be replaced periodically, adding to the long-term cost of a solar battery storage system.

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Solar Storage Battery Types And How To Choose?

Solar storage batteries come in several types, each with its own specific advantages and disadvantages.

1.Lead-acid batteries are traditional and widely used, but have a limited lifespan compared to other options. They are also relatively heavy and have a lower energy density.

2.Lithium-ion batteries are widely used for solar energy storage due to their light weight and longer lifespan compared to lead-acid batteries. They have a higher energy density and are relatively efficient, but can be more expensive.

3.Nickel-Cadmium batteries have a long lifespan and are environmentally friendly, but are more expensive than lead-acid and lithium-ion batteries. They also have a lower energy density compared to lithium-ion.

4.Sodium-sulfur batteries are designed for high power applications and have a long lifespan, but are expensive and require specialized handling.

5.Flow batteries are flexible in terms of capacity, as they can be scaled up or down. However, they are relatively expensive compared to lithium-ion batteries.

6.Lithium iron phosphate (LiFePO4) batteries have a longer lifespan compared to traditional lithium-ion, are safer, and more environmentally friendly, but may have a lower energy density.

Based on the advantages and disadvantages of each type of battery, it can be concluded that Lithium-ion batteries and LiFePO4 batteries have been the better options for solar storage. Both offer longer lifespans, better energy density, and higher efficiency compared to lead-acid batteries, while being safer and more environmentally friendly than other options.

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FAQ

How to calculate solar battery storage?
To calculate the solar battery storage size you need, you need to consider the following factors:

Daily Energy Usage: Calculate the average daily energy usage of your home or business by looking at your energy bills. This will give you an idea of how much energy you need to store in your battery.

Solar Panel Output: Determine the daily output of your solar panels by consulting the manufacturer's specifications. This will give you an estimate of how much energy you can generate from your panels on a daily basis.

Depth of Discharge (DOD): This is the amount of energy you can safely discharge from your battery. The DOD is usually expressed as a percentage of the total battery capacity.

Battery Efficiency: Batteries are not 100% efficient, so you will need to take into account the efficiency of your battery when calculating the storage size.

Self-Consumption: Consider how much of the solar energy generated will be used on-site, as opposed to being fed back into the grid. This will give you an idea of how much energy you need to store in your battery.

Once you have considered these factors, you can use the following formula to estimate the battery storage size you need:

Battery Storage Size = (Daily Energy Usage - Solar Panel Output) / DOD / Battery Efficiency

It's important to note that these calculations are estimates and that the actual battery storage size you need may vary based on a variety of factors, such as weather conditions and changes in energy usage.
What is your MOQ of solar battery storage?
If it is our existing standard product, there is no moq requirement.
If it is a custom product, there is a MOQ requirement. However, the MOQ varies from material to material and you can contact us for specific information.
How to ship my custom solar battery storage?
The logistics companies we work with are strong. Currently, depending on your destination and order, we are able to provide options such as air freight, sea freight, express delivery, rail transport and trucking.
Can we make one custom solar battery storage?
Common materials are available to support one custom battery pack.However, if special materials are required, you will need to contact us for specific MOQ.
How do I know whether you've shipped my order or not?
Tracking NO. will be offered as soon as your order be shipped out. Before that, our sales will be there to check the packing status, photo of the order and let you know the detail shipment information.
What is the warranty of your solar battery storage?
The warranty of our battery packs is one year. If you become our VIP, you can get extra 6 months.
How can we pay?
You can pay via T/T, Paypal.
What is your terms of packing?
Generally, we pack the goods in neutral brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes.
Which incoterms you usually take?
Normally, train/sea will be DDP. And if you have your own shipping agent in China, EXW is supported (we can send your goods to your agent's warehouse).
Can you offer the certifications for our solar battery storage?
We make some regular battery packs certificates every year. But most of our battery packs are customized for you. And we can help you to get the certification for your customized battery packs.