12.8V 300AH LiFePO4 Solar Lithium Battery


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12.8V 300AH LiFePO4 Solar Lithium Battery
Typical Capacity: 100AH
Typical Voltage: 12.8V
Energy storage: 1280WH
Max. Charge Current: 50A
Max. Discharge Current: 100A
Standard Charge Current: 0.5C
Dimension: 339*185*218mm
Cooling: Nature
Certifications: CE, ROHS, UN38.3, MSDS
Warranty: 3 years
Detail Description of 12.8V 300AH LiFePO4 Solar Lithium Battery
Custom Battery Solutions, Your Way
We specialize in OEM/ODM solar battery solutions tailored to your exact needs. Whether adapting existing models or co-developing new products, our engineering team works closely with you through every stage – from design to certification – ensuring seamless brand integration and compliance with global standards.
Your Vision. Our Expertise. Shared Success.
The 12.8V 300Ah LiFePO4 solar lithium battery is built for demanding solar energy storage needs. With a large 300Ah capacity, it provides stable, long-lasting power for off-grid homes, solar backup systems, RVs, and boats. The battery delivers consistent voltage and deep-cycle performance, supporting daily use in systems that rely on dependable energy around the clock.
This battery is designed for a high cycle life, capable of handling over 6,000 charge and discharge cycles. That means you can count on it to perform for many years without frequent replacement. It’s a smart choice for anyone looking for a long-term energy storage solution with reduced maintenance.
It also comes with a built-in Battery Management System (BMS), which protects the battery during charging and discharging. The BMS safeguards against overcharging, deep discharging, overheating, and short circuits—helping to keep the system safe and running efficiently.
For systems that need it, a Bluetooth module is available. This optional feature allows users to check battery status in real time, such as voltage, current, and charge level, through a smartphone app. It’s a convenient way to stay on top of your system’s performance.
Safety and compliance are key. This battery meets international standards including CE, ROHS, MSDS, and UN38.3, so it’s ready for use across different regions and applications.
Whether you’re building a solar-powered cabin, upgrading a backup system, or installing a reliable power solution in a mobile setup, the 12.8V 300Ah LiFePO4 battery offers strong performance, safety, and flexibility. It can be connected in series or parallel, giving you room to scale as your energy needs grow.
Quality Without Compromise
Every Aisen solar battery undergoes rigorous testing—from raw materials to final shipment. We hold ourselves to the highest standards because your safety and satisfaction depend on it.
Precision Built In. Trust Guaranteed.
• “Meeting Global Standards, Exceeding Expectations”

Why Over 1000+ Clients Choose Aisen
Cutting-Edge Technology
Our team of seasoned professionals consistently delivers groundbreaking advancements in solar technology, ensuring that our products stand at the forefront of the industry.
Competitive Pricing
Despite our top-tier quality, we believe in providing solar solutions that are affordable, making clean energy more accessible for businesses of all sizes.
Quality Assurance
Our solar panels, inverters, and lithium batteries are crafted with the highest standards of quality. Each product undergoes rigorous testing for performance and durability.
Expert Team
We have a dedicated, highly-skilled technical team committed to providing superior customer service and technical support, ensuring that you get the most out of your solar solutions.
Eco-Friendly
We are committed to creating a sustainable future by offering products that reduce carbon footprints and contribute to a greener, healthier planet.
Custom Solutions
Understanding that every business is unique, we offer customizable solar solutions designed to meet your specific energy needs and goals.

Latest Project Solutions
We provide practical lithium battery solutions for solar energy projects. Whether it’s for home backup, off-grid systems, or small commercial use, our LiFePO4 batteries deliver dependable performance. Each project is supported with real, working solutions—long-lasting batteries with strong safety features and reliable output. We focus on helping our customers store solar power efficiently and use it when it matters most.

18000+
Installed Capacity

12000+
Wtgs Installed

Ready To Foster Growth Of Solar Energy
Established in 2016, Aisen is a well-known solar LiFePO4 lithium battery manufacturer in China, dedicated to fostering the growth of solar energy with reliable and efficient storage solutions. We specialize in manufacturing a variety of lithium batteries, including lead-acid to lithium, wall-mounted, and floor-standing lithium batteries, primarily for solar power system applications.
Our factory covers an area of 13,800 square meters, housing more than 80 employees, including a dedicated R&D and professional sales team. We are committed to meeting the unique needs of our customers, offering both OEM and ODM services tailored to individual requirements.
“Quality-oriented, integrity-based, and service-first” defines our company culture. We prioritize providing our customers with efficient, reliable, and sustainable LiFePO4 lithium batteries that enhance the performance and longevity of solar systems. Whether for residential, commercial, or off-grid setups, we ensure our products contribute to a cleaner, greener energy future.
Aisen is your trusted professional lithium battery manufacturer in China, ready to support the growth and efficiency of solar energy systems globally.

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Solar Energy Storage System
We’re professional solar lithium battery manufacturer in China.




Our Commitments
Aisen empowers a sustainable future by pioneering intelligent energy storage solutions that make clean power accessible worldwide.

Mission-Driven
Popularizing solar storage systems worldwide


Value-Based Operations
Built on hard work, innovation, dedication and honesty


Quality Assurance
Delivering reliable, high-performance energy products


Global Impact
Powering cleaner lives across continents

Contact Us For Our Services
Contact us today to explore our reliable, high-quality solar energy solutions. We’re here to provide tailored battery options that meet your specific needs. Let’s work together to power a sustainable future.





Get Answer With The Questions
The 12.8V 300AH LiFePO4 battery offers a large capacity and stable output, making it ideal for storing solar energy over extended periods. It’s perfect for off-grid solar setups, delivering consistent power with high efficiency and minimal maintenance.
This battery is built for long-term use, with a cycle life of over 6,000 times. That means even with daily use, it can last for years without significant capacity loss, giving you dependable energy for solar applications.
Yes, it includes a built-in Battery Management System (BMS) that protects against overcharge, over-discharge, short circuit, and temperature extremes. This ensures safer performance and longer battery life in demanding environments.
For specific requirements, the battery can include an optional Bluetooth module. This allows users to check battery status—such as charge level, temperature, and voltage—through a mobile app, making monitoring easy and efficient.
Absolutely. The battery meets CE, ROHS, MSDS, and UN38.3 certifications. This makes it suitable for international shipping and ensures it’s manufactured to high safety and quality standards.
This battery can power solar home systems, RVs, marine equipment, telecom towers, and off-grid backup systems. Its large capacity and steady discharge make it suitable for high-load, long-duration applications.