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Looking for an original China solar battery manufacturer? Look no further than KET, your go-to expert in customized LiFePO4 solar batteries. With our 13 years of experience, we've empowered countless homes and businesses with efficient and reliable energy storage solutions.Our team of battery specialists combines expertise with creativity, crafting custom solar battery packs that perfectly match your specifications. From voltage and capacity to size and design, we've got you covered.
But our commitment doesn't stop at solar battery customization. We've forged strong partnerships with global leaders like LG and Samsung, ensuring a steady supply of top-quality battery cells. Plus, our rigorous quality control processes and ISO 9001 certification guarantee products that meet the highest standards.
Whether you're powering your off-grid cabin or embarking on an epic road trip, our OEM LiFePO4 solar batteries offer exceptional performance and longevity. With KET, you can trust in the reliability and innovation that come with our CE, FCC, RoHS, UN38.3, and MSDS certified products.
Join the solar revolution with KET and let our expertise and passion for renewable energy take you to new heights. Together, we'll power a brighter and greener future!
Features of KET LiFePO4 Solar Batteries
Superior PerformanceAs a top China solar battery manufacturer, KET produces LiFePO4 solar battery with excellent performance, providing efficient energy storage and discharge.
Extended LifespanWith a remarkable lifespan of up to 2,000-5,000 cycles, KET LiFePO4 solar batteries are built to go the distance, providing long-lasting and reliable energy storage solutions.
Enhanced SafetySafety is a top priority for all solar battery manufacturers. KET's LiFePO4 batteries are equipped with advanced safety features to protect against overcharging, over-discharging, and short circuits, providing peace of mind for you and your solar power system.
Eco-Friendly ChoiceBy choosing KET OEM LiFePO4 solar batteries, you contribute to a cleaner and greener environment. Free from toxic chemicals and with a low carbon footprint, our batteries are an eco-friendly alternative for sustainable energy storage.
Hot LiFePO4 Solar Batteries Series
Wholesale Rack Mount Solar Battery from China
• Nominal Voltage: 48V
• Nominal Capacity: 100AH @ 0.2C
• Energy: 4800Wh
• Charge Voltage: 54.75± 0.2 V
• Weight: about 45.0Kg
• Size: 440*430*177mm
• Maximum Modules in parallels: 16P
Solar Battery Solutions LiFePO4 48V 200Ah in China
• Nominal Voltage: 48V
• Normal Capacity(25°C, 0.2C ): 10240Wh
• Voltage window (Vdc): 44.8~58.4V
• Max.pulse discharge current (A): 150A 10S
• BMS communication: CAN/RS485/RS232
• Battery Type: LiFePO4(BYD OPC)
• Maximum Modules in parallels: 16P
Customized 48V Solar Battery for Home Use
• Nominal Voltage: 48V
• Normal Capacity(25°C, 0.2C ): 10240Wh
• Terminal: M8
• BMS communication: CAN/RS485/RS232
• Safety standard: UN38.3.MSDS
• Voltage window (Vdc): 44.8~58.4V
• Max. number of parallels supported： 16
Manufacturer Direct 48V Solar Battery Storage Solutions
• Nominal Voltage: 24V
• Normal Capacity(25℃, 0.2C)： 5120Wh
• Voltage window (Vdc)： 22.4-29.2V
• Max.pulse discharge current ( A)： 200A 30S
• Storage temperature： 0℃ ~ 30℃
• BMS communication： CAN/RS485/RS232
• Maximum Modules in parallels: 16P
Wall Mount 48V 50Ah Solar Solutions Batteries
• Nominal Voltage: 48V
• Nominal Capacity： 50AH @ 0.2C
• Energy： 2560Wh
• Internal Resistance (AC): ＜ 50 mΩ
• Efficiency of Charge： 100% @ 0.5 C
• BMS communication： CAN, RS485, RS232
• Maximum Modules in parallels: 16P
Manufacturer Direct 48V Solar Battery Storage Solutions
• Nominal Voltage: 24V
• Normal Capacity(25℃, 0.2C)： 5120Wh
• Voltage window (Vdc)： 22.4-29.2V
• Max.pulse discharge current ( A)： 200A 30S
• Storage temperature： 0℃ ~ 30℃
• BMS communication： CAN/RS485/RS232
• Maximum Modules in parallels: 16P
Factory Wholesale 48V 100Ah Stacked Solar Battery
• Nominal Voltage: 48V
• Nominal Capacity： 100AH @ 0.2C
• Energy： 5120Wh
• Monthly Self Discharge： Less than 3.5% per month at 25℃
• Container： Metal plate
• BMS communication： CAN/RS485/RS232
• Maximum Modules in parallels: 16P
Manufacturer Direct 12V 24V 36V 48V Solar Battery Customized
• Nominal Voltage: 12V - 48V
• Normal Capacity: 7Ah - 1000Ah
• Voltage window (Vdc)： 22.4-29.2V
• Size： customized
• Storage temperature： 0℃ ~ 30℃
• BMS communication： customized
• Housing: customized
Why Choose KET as Your Solar Battery Supplier?
Customizable Solutions
We understand that every solar power system is unique. At KET, we offer customized solar battery solutions tailored to your specific requirements, including capacity, voltage, size, and design, ensuring seamless integration into your solar setup.
Industry-Leading Expertise
With over 13 years of experience and partnerships with renowned companies like LG and Samsung, KET brings industry-leading expertise to deliver top-quality custom LiFePO4 solar batteries and exceptional customer service.
Certified Quality
As an ISO 9001 certified solar battery manufacturer, KET guarantees standardisation of production and quality control. Additionally, our solar batteries comply with certifications such as CE, FCC, UN38.3, and MSDS, ensuring the highest quality and safety standards.
Manufacturing Capability
With an impressive production capacity of up to 2000 battery packs per day (Ahead of most China solar battery manufacturers), KET can meet the growing demand for LiFePO4 solar batteries, ensuring prompt delivery and availability for your renewable energy projects.
Pictures from Top Solar Battery Manufacturer
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- Certification
- Production & Test Equipment
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UN38.3
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Certification for Safe Transport of Goods
air transport
ISO 9001 2015
invention of Lithium battery testing equipment
Battery charge and discharge test system
Rechargeable battery performance testing equipment
Vibration Testing Machine
Salt spray test cabinet
Lithium battery automatic testing equipment
Discretionary cabinets
Integrated Tester
Battery Detector
Automatic Wire Stripping Machine
Automatic spot welding machine
LiFePO4 Solar Battery : The Ultimate Guide
- How long do solar batteries last?
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As an expert in the field, I'll share you with the different types of solar batteries and their lifespan. Let's explore!
Lead-Acid Solar Batteries:
With an average lifespan ranging from 3 to 5 years, lead-acid batteries provide steady power supply and support your energy needs over an extended period. But lead-acid batteries have more serious environmental problems.
Lithium-ion Solar Batteries:
Lithium-ion solar batteries can last more than 5 years. And as the most outstanding representative of the Lithium-ion battery family, LiFePO4 battery has an estimated lifespan of 8 to 20 years. LiFePO4 batteries have excellent all-round performance and are very environmentally friendly, making them an excellent choice as SOLAR batteries.
Flow Batteries:
Unlock the potential of flow batteries, the guardians of sustained solar power. These remarkable systems can endure up to 25 years, offering a reliable and enduring energy storage solution.
It may seem like you have a wide range type of solar batterier to choose from. But as a solar battery manufacturer for many years, we can tell you responsibly that LiFePO4 is the better choice for solar cells. LiFePO4 solar batteries are more environmentally friendly, have a longer life and are safer, which are all important reasons why it is the first choice.
- Do solar lights need batteries?
- Do solar lights need batteries? The answer is yes or no. Let's delve into the details, shall we?
In order for solar lights to store solar energy during the day and to turn on and illuminate the sun lights at night, solar lights require batteries. Traditional solar lights commonly use rechargeable batteries, such as NiMH or Li-ion battery.
But interestingly, if you only have solar panels and a controller (no batteries), it is also possible for the solar lights to work. But unfortunately, solar lights will no longer work when the sun stops shining. And the truth is that we need solar lights to work at night more than anything else, which is why we need batteries.
- How many solar batteries are needed to power a house?
- There is no single answer to this question. Because every household uses different amounts of electricity. But here, KET will teach you how to calculate how many solar batteries are needed to power a house. The steps are as follows:
Determine the energy requirements: First, you need to determine the daily electricity consumption of your house. This information can be obtained by looking at your electricity bill. For example, if you used 300Kwh of electricity in April, then your daily electricity consumption would be 300kwh/30 = 10kWh.
Battery capacity requirements: We already know that we need 10kwh of electricity per day. Then theoretically we need a battery capacity of 10kwh. But in practice, we also need to consider the depth of discharge of the battery, such as the common lithium-ion solar battery. Their recommended DOD (depth of discharge) is 80%. So the actual battery capacity required is 10kWh/80% = 12.5kWh.
Calculate the number of batteries required: There are many different capacities of solar cells available on the market, such as 5kWh, 10kWh, 20kWh. So let's take a 5kWh solar battery as an example, the number of batteries required (in parallel) is 12.5kWh/5kWh = 2.5 ≈ 3, which means that three 5kWh solar batteries are required, which can be connected in parallel to meet the needs of a power a house.
Of course, if you still don't know how to do the calculation, you can seek help from a professional solar battery manufacturer. All of KET's customer service staff are professionally trained. They can answer any questions you may have in a very short time.
- How to check if solar panel is charging battery?
- As an expert in solar batteries, I'm here to help answer a common question in a lighthearted and down-to-earth manner: How can you determine if your solar panel is effectively charging your battery? I'll provide you with some practical tips to tackle this puzzle. Let's get started!
Embrace the Sun's Warm Embrace
Take a glance at your panel and ensure it's basking in the sun's glow. A well-illuminated panel is a positive sign that it's actively charging your battery.
The Voltage Clue
Now, let's turn to the numbers to unlock the mystery. Grab your trusty multimeter; it's your detective tool for this mission. Connect it to your battery terminals while the solar panel is connected. If the measured voltage exceeds the current charge of the battery, your solar panel is successfully charging your battery.
Current: The Flow of Energy
To measure its flow, you'll need an ammeter. Connect the ammeter in series with the battery to gauge the current. Ideally, you should observe a healthy current flowing into the battery, signaling effective charging.
In fact, there are many ways to verify it. Here are just 3 of the easiest to operate for everyone. If you want to know more professional information, you can also contact a professional solar battery manufacturer - KET. With a R&D team of more than 20 people, KET can solve most of your professional questions.
- Do all solar lights have batteries?
- Most solar lights have batteries included. But a few will be designed without batteries and they only work when exposed to sunlight.
- Do i need a battery for my solar system?
- Before answer your question, you need to tell me what type of solar system you are using? If you are not sure, you can also check the manual that comes with the solar system. There are 3 different types of solar system and I will tell you if you need batteries for each one.
On-grid systems: If you have a on-grid solar system, where your solar panels are connected to the grid, you don't need batteries. The excess power generated during the day will be transferred to the grid and when your solar panels are not generating enough power (e.g. at night), you can draw power from the grid. In this case, the grid acts as a virtual "battery" for your system.
Off-grid systems: Off-grid systems cannot be connected to the grid, in which case your solar system needs batteries. Storage batteries store the excess solar energy generated during the day for use at night or when the sun is not shining enough. These batteries allow you to have a self-sustaining power source and can provide electricity when the sun is not shining.
Hybrid systems: Some solar systems combine grid-tied and off-grid functionality. These hybrid systems can use batteries to store excess solar energy for use during peak demand periods or in the event of a power outage. At this point your solar system will also need batteries.
If at this moment you find yourself in need of batteries for your solar system, then you can contact KET for an up-to-date quote on solar batteries. KET is a source solar battery manufacturer and can offer the best price and service. All of KET's solar batteries are made with LiFePO4 battery cells, which are more environmentally friendly, safer and have a longer lifespan.
- What happens to solar power when batteries are full?
- When solar power batteries are full, a solar charge controller comes into play to regulate the charging process. Think of it as a traffic cop directing the flow of energy. The solar charge controller monitors the battery's state of charge and the incoming solar power. Once the batteries reach their maximum capacity, the charge controller restricts the flow of energy from the solar panels to prevent overcharging. It acts as a guardian, ensuring the batteries are not overwhelmed with excess energy.
The inverter also plays a vital role in both off-grid and grid-tied systems. Its job is to convert the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that can be used to power your appliances or fed back into the electrical grid.
In an off-grid system, when the batteries are full, the inverter continues to supply AC power to your home using the stored energy. So, even if the batteries cannot accept any more charge, you can still utilize the power generated by the solar panels directly. It's like having a backup generator that kicks in when needed, ensuring you have a continuous power supply.
In a grid-tied system, when the batteries reach full capacity, the excess energy that cannot be stored flows through the inverter and is fed back into the electrical grid. The inverter adjusts the electricity to match the grid's requirements, allowing others to benefit from your surplus power. This process is facilitated by a net metering arrangement, where you will receive credits or compensation for the electricity you contribute to the grid.
So, when solar power batteries are full, the solar charge controller prevents overcharging, and the inverter ensures that the generated energy is put to use either for your home's needs or shared with the grid. Both these components work together to optimize the efficiency and functionality of your solar power system.
- Can solar panel be connected directly to battery?
- Charging batteries with solar panels—sounds easy, right? Just connect the panel directly to the battery and voila! Well, technically, you can do that, but hold your horses! It's like walking a tightrope without a safety net. You might think you've got it all figured out, but trust me, it's not a walk in the park.
Here's the deal: connecting a solar panel directly to a battery is like attempting a risky acrobatic stunt. Sure, it's possible if you meet specific conditions, like having small power panels or ensuring the voltage matches perfectly. But let's be real, it's not a foolproof plan.
Here's where our superhero, the Solar Charge Controller, comes to the rescue! Think of it as the wise old owl that ensures everything runs smoothly. It regulates the voltage and current from the panel to the battery, protecting your battery from overcharging and keeping it safe and sound.
Believe me, trying to charge a battery without a charge controller is like walking on thin ice. You risk frying your battery, and trust me, nobody wants a crispy battery for breakfast. It's like playing a high-stakes game of battery roulette, and let's just say the odds aren't in your favor.
But fear not, my friend! Using a Solar Charge Controller is the way to go. It's like having a personal assistant who knows all the battery-charging secrets. With this clever device, you can sit back, relax, and let it handle all the nitty-gritty stuff. No more worries about overcharging or battery mishaps.
Now, there are two types of charge controllers to choose from. We have the trusty PWM controller—reliable, cost-effective, and does the job just fine. It's like the good ol' faithful companion who gets things done without breaking the bank.
And then we have the fancy MPPT controller—the high roller, the cream of the crop. It's more powerful and efficient, squeezing every drop of sunlight for maximum productivity. But remember, it comes at a price, my friend. If you're ready to splurge for top-notch performance, this is your ticket.
- Can you mix solar batteries?
- It is not recommended that you mix solar batteries. Mixing solar batteries is possible, but some strict conditions need to be met. Here are some conditions to consider:
Battery types: The battery characteristics of different types of batteries are also different and should never be mixed. For example, lead-acid batteries and lithium batteries should never be mixed.
Capacity and age: Even for the same type of battery from the same manufacturer, the capacity of the old and new batteries will be different. This is because the actual capacity of the battery decreases with age. And when batteries of different capacities are used together it can lead to uneven charging and discharging, which can seriously affect battery performance.
And in most cases, these conditions are difficult to meet. I am sure that all solar battery manufacturers would not advise you to mix solar batteries.
- What are the best batteries for solar off-grid?
- When we talk about what the best batteries for solar off-grid are, the top choice is LiFePO4 (lithium iron phosphate) batteries. They offer a long lifespan, faster charging, and are more environmentally friendly compared to other options like lead acid and traditional lithium-ion batteries. LiFePO4 batteries are durable, efficient, and provide reliable power for off-grid applications.
If you want to learn more about the characteristics of the different types of batteries, then you can read this article: Comprehensive Guide to Battery Classification.
If you are looking for a manufacturer who can offer you a one-stop solution for solar batteries, then please contact KET! As a leading solar battery manufacturer, KET's R&D team can provide you with the most professional solar battery solutions within 24 hours, and all you need to do is inform our customer service staff of your requirements.
Contact KET to Start Your Custom Solar Battery Project
"KET Battery will always be here to support your custom China solar battery project."
"I've been in battery for 10 years to service hundreds of our customers. Providing premium service, perfect custom battery pack solutions and professional sales is my pursuit in my working life. Your satisfaction is my power."
Sales Director
Sales Director
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