BLJ SOLAR

Your Reliable Home Energy Storage System Supplier

Develop and use excellent BMSs to improve the security, extend the cycle life, and reduce the maintenance costs.

Quality LiFePO4 prismatic batteries with an extremely long life cycle, more than 6000 times.

Laser welding and automatic production ensures the tightness, safety, and productivity of our battry pack.

Why Work with BLJ

  • Experienced OEM Energy Storage System Manufacturer

Being an experienced solar product manufacturer, BLJ specializes in the custom design and manufacturing of high quality home solar energy storage systems which can meet any of the custom project needs.

  • In-House Production, Balancing Quality and Price

As one of the leading China residential energy storage system manufacturers, BLJ produces every battery component and manages every production process independently in its own factory, to deliver the most reliable and cost-effective energy storage systems for home.

  • Strong Design & Durable Structure

From battery electrolytes design, battery pack design, structure design, to battery manufacturing process, laser welding of battery pack and assembly, we master all the technology and do the most detailed, so that we dare to guarantee excellent quality and durability.

  • Intelligent BMS and High Efficiency

Thanks to our sufficient manufacturing and sales experience, our technical team are capable of solving problems in chip matching, program algorithms, and designing BMS to guarantee performance, safety, and lifespan of home ESS products.

  • One-stop Services

Whatever your pre-sales consultation, custom service, technical support or after-sales needs, our professional team is here to help you 24/7.

Get Free Quote

Your personal contact will get back to you within 12 hours.

Our Home ESS Products

Rack-Mounted Battery
Wall-Mounted Battery
Low-voltage Stackable Battery
High-voltage Stackable Battery
All-in-one ESS

Rack-Mounted Battery

We design and manufacture rack mounted batteries with high energy density that store solar energy as backup power to keep home appliances running.

Safe & Reliable

  • Longer Service Life of 6000+ Times
  • Laser Welding Battery Pack
  • Intelligent BMS, Pre-charge, Overcharge, & Over-discharge Protection
  • Solid Internal Architecture Welding & Installation
  • Built-in Switch
  • Lightning Protection
  • Precharge Protection
  • Molex and JST Connectors for Higher Performance
  • UL, CE Certified

Simple & Flexible

  • Modular Design
  • Compatible with the Most Inverters on the Market
  • Easy to Install and Connect in Parallel
  • Support Max. 75 pcs in Parallel
  • Wide Capacity Options of 200Ah and 300Ah Cells

Wall-Mounted Battery

BLJ’s wall mounted batteries provide users with smart ESS solutions and improve power independence for residential energy management.

Smart & Functional

  • Easy Setting of Smart Working Modes
  • Intelligent BMS, Fast Charge / Discharge Protection
  • 24H Energy Monitoring and Management
  • Supported 100% Three Phase Woltage Imbalance
  • With UPS Function, Switch Time ≤ 10ms

Flexible & Efficient

  • Modular Design and Easy to Expand Capacity up to 25.0kWh
  • IP65 for Outdoor Applications
  • Easy to Install

Safe & High-Quality

  • Quality LiFePO4 Batteries with a Longer Lifespan of 6000+ Times
  • Laser Welding Battery Pack
  • Solid Internal Architecture Welding & Installation
  • Optional AFCI (Arc-fault Circuit Interrupter)

Low-voltage Stackable Battery

Our stacked ESS products are mainly used for low-voltage applications such as residential battery energy storage systems, safe and easy to use.

Safe & Efficient

  • Safe LiFePO4 Batteries with a Longer Lifespan of 6000+ Times
  • Safest Chemistry
  • Laser Welding Battery Pack
  • Faster and Safer Charge / Discharge
  • Efficient Energy Conversion

Flexible & Smart

  • Modular Design, Convenient for Installation and Transportation
  • Stacked Design, Easy to Install, Saving Space and Cost
  • Compatible with Inverters of Different Brands
  • Intelligent BMS
  • Easy Setting of Smart Working Modes

High-voltage Stackable Battery

Our stacked-mounted design offers a long service life and extremely high home energy storage reliability.

Safe & Powerful

  • Safe LiFePO4 Batteries with a Longer Lifespan of 6000+ Times
  • Laser Welding Battery Pack
  • Premiun Step-up Converter Safely Increases the Battery Output Voltage to the Input Voltage of the AC Inverter
  • Faster and Safer Charge / Discharge
  • Nominal Voltage 384V & Nominal Capacity 27Ah
  • Efficient Energy Conversion

Flexible & Easy to Use

  • Intelligent BMS, High Quality and Easy to Use and Maintain
  • Modular Design and Easy to Expand Capacity in Series
  • Easy Stacked Install, Saving Space and Cost
  • Compatible with Inverters of Different Brands

All-in-one ESS

ALL-in-one ESS solution from BLJ are made to provide users with a simple, easy-to-use household storage solution for their energy, only minimun installation is required.

Safe & Reliable

  • Longer Service Life of 6000+ Times
  • Laser Welding Battery Pack

Efficient & Versatile

  • Faster and Safer Charge / Discharge
  • IP65 Design for Balcony, Yard, and Other Outdoor Scenes
  • Nominal Voltage 384V & Nominal Capacity 27Ah

Simple & Flexible

  • Compact Design
  • No Need to Install, Connect to the PV Panel Directly
  • Easy to Maintain
  • WIFI, Bluetooth, & APP Available

Safe & Efficient

  • IP65
  • MPPT Algorithm Supports Operating at the Most Efficient Voltage
  • LiFePO4 Batteries with a Longer Lifespan of 6000+ Times

Flexible & Extensible

  • Compact Design, Fanless Design, Quiet and Comfortable
  • Extensible storage 5.12KWH or 10.24KWH.

Customized Residential Energy Storage Systems and Solutions

Backed by years of experience in the solar product industry, BLJ understand all your needs and can offer solar batteries and ESS products that match the functionality and price of your custom residential battery storage projects.

Just tell us with the specifications you need for home energy storage systems, and our expert designers, manufacturing and quality management teams will deliver the most reliable products to you. From aesthetic additions like housing design to functional improvements like battery structure and BMS solution, you can count on us to get the right solution. 

Custom Battery Specifications, from Capacity to Discharge Rates

Custom and Expandable Storage Capacity

Independent or Parallel Pattern Selection

Optional LED Display Screen

Optional Functions, Such as Self-heated Function

Bespoke Exterior Design

Efficient Mass Manufaturing and Guaranteed Quality

Supported by proven production processes, we ensure reliable and high performance ESS products are designed, manufactured, tested, and delivered with short lead times.

From battery production to ESS assembly, we set up dedicated workshops, equipped with the latest equipment, to quickly and efficiently manufacture home ESS products and control costs through mass production.

In addition, we carry out rigorous quality testing during the raw material, production and post-production stages to ensure that the performance of the home solar energy storage system meets expectations.

  • Battery Manufacturing and Testing
  • Battery Capacity Division
  • Home ESS Testing & Debugging
  • BMS Installation and Detection
  • Energy Storage System Assembly
  • Battery Pack Laser Welding and Assembly

Ready to Power Up Your Solar Battery Business?

We are capable and confident to provide you with better solutions thanks to our successful experience working with lots of world-renowned companies.

Factory Tour

See How We Produce Lead-Acid Batteries

Our state-of-the-art manufacturing facility allows us to manufacture and test lead-acid batteries compliant with our clients’ requirements and featured with high performance.

01 Mixing Machine
02 Roll Coating
03 Rolling Machine
04 Slitting Machine
05 Automatic Stacking Machine
06 Automatic Top Sealing Machine
07 Electrolyte Injection Machine
08 Formation Production Lline with HighTemperature PositivePressure
09 Capacity Sorting
10 Automatic OCV Test Equipment

Batteries Power the Home, We Power Your Business.

Leave a strong impression on your customers, making them forever supporters with BLJ’s line of home battery storage systems. With our well-managed production process, strict quality control, and expert customization capabilities, nothing’s stopping you from capturing a wider audience. 

25,000㎡

warehouse and factory

20,000set/Month

Lead-acid battery production capacity

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Get a Free Consultation

We respect your confidentiality and all data is protected.

Get Free Quot99e

Your personal contact will get back to you within 12 hours.