Your Reliable Solar Battery Manufacturer

As a professional solar battery factory, BLJ Solar focuses on the R&D and manufacturing of solar batteries like lithium-ion batteries and lead-acid batteries, providing professional solar battery OEM service with technical support at competitive prices.

Lithium ion Battery

With high working voltage, energy density, and long cycle life, our lithium batteries excel. They boast low self-discharge rates, no memory effect, and eco-friendly operation. Stepless expansion capability makes them ideal for large-scale energy storage applications.

Wall Mounted Battery >Rack Mounted Battery >Lead-acid Replacement Battery >More about Lithium ion Battery

Lead Acid Battery

The lead acid battery, also known as a deep cycle battery, features uniform plate reaction, enhanced reliability, and remarkable high-rate discharge performance. Experience exceptional capacity and extended service life with our sealed battery’s radial grid design and compact structure.

Higher safety, no explosion issue



Lower operational cost

More about Lead Acid Battery

No Limits on Solar Battery Customization

Backed by a smart mass manufacturing factory, outstanding technical strength, and excellent engineers with rich experience, BLJ solar is proud of its fulfilling thousands of custom projects and is confident to handle all kinds of custom needs even the most complicated challenges.

At BLJ solar, you will never feel limits on custom selections.

Custom For Your Business

Battery Structure

Battery Capacities


Battery Cycle Life

Outcase Colors

IP Protection Level

Our R&D Strength, Your Technical Support

Technical support is our pride. BLJ Solar boasts a talented team to ensure BMS,EMS, PACK design, and electrical system design to the whole process of R&D and production of the final product.

Battery Management System

An outstanding BMS will be your secret weapon to outshine peers in performance, safety, and lifespan of battery as well as business.

Automatic Production Lines

Automatic production equipment, complete your OEM solar battery order with quality and quantity.

Pack Design

Experienced engineers always know how to design a suitable battery pack to meet the needs of capacity and energy efficiency while helping control your budget.

Quality-Driven Mass Manufaturing

Our factory employs a strict quality management system including EVT, DVT, and MP processes to guarantee that from product design to mass production, our batteries meet higher quality standards and provide a-grade energy efficiency.

Performance Test

EMC test

Insulation test

Temperature Test

Internal resistance detection

Voltage withstand test

Aging test

Vibration test

More Benefits That You Can't Resist

Battery All-around Services

No matter whether you have needs in products, technology, or customization services you will be accompanied by a professional team on a 24/7 service.

Excellent Expertise

With rich expertise and experience in battery cell selection, BLJ Solar can always offer suitable energy solutions at the most competitive prices while maintaining battery performance.

Smart Manufacturing

Armed with automatic production lines, we can not only control your budget but also ensure the reliablity, safety and uniformity of all batteries.

Peerless Technical Support

Backed by our talented R&D team, we boast advanced BMS technology and outstanding strength in pack design, structure design, electrical design, fluid simulation design, and performance tests.

Explore More about Our Capabilities

As an esteemed manufacturer of solar products, BLJ Solar has an abundance of insights and expertise to offer.

Technology has been the driving force behind our remarkable growth over the past decade, positioning us as a key player in the energy storage industry.

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Technical Strength >

Our factory owns the most adavanced production lines and professional laboratories to fulfill in-house manfacturing of different types of solar energy storage products.

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Our Factory >

Placing quality at the top, we leave no stone unturned when it comes to attention. With a focus on performance, our products serve as a testament to our unwavering commitment to quality management.

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Quality Management >

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