Suzhou, Jiangsu, China info@example.com +86 512-1234-5678

Your Reliable Solar Power
Solution Provider

As the foremost solar energy systems supplier in China, HanWu Energy offers a comprehensive range of solutions including cost-effective LiFePO4 battery packs, solar modules, on-grid, off-grid, and hybrid solar systems.

Why Choose Us

Founded in 2016, Suzhou Preta Intelligence and Technology Co.,Ltd is a high-tech enterprise specializing in the design, research and development, production, sales and service of photovoltaic, storage integration and energy storage systems products, committed to providing high-quality energy storage products and smart energy storage solutions to customers around the world.

  • 2016Company Establishment Year
  • 325Professional Team Members
  • 15000Factory Scale (㎡)
  • 1880+Successful Cases

HanWu Energy Solar Energy System Solutions

Lead Acid Replacement Battery

Lead Acid Replacement Battery

Compared to lead-acid batteries, lithium iron phosphate batteries of the same volume feature higher energy density and lighter weight.

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Wall Mounted Battery

Wall Mounted Battery

Lightweight and portable home energy storage option, features a compact and integrated design, offering a convenient space-saving solution.

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Server Rack Battery

Server Rack Lithium Battery

Modular design of PACK, featuring strong versatility, independent maintenance capability, with spaciousness facilitating ventilation and heat dissipation.

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All-in-One Energy Storage

All-in-One Energy Storage System

By employing battery and inverter in one system and modular stacking design, our energy system allows flexible matching of energy storage units.

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Battery Energy Storage System

Battery Energy Storage Cabinet

Battery energy storage cabinet, support OEM/ODM, Highly Integrate lifepo4 battery clusters, PCS, air conditioner, fire protection system.

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Off-Grid Solar System

Off-Grid Solar System

With our unique battery packs and solar panels, coupled with inverters, our engineers will assist you in designing the required off-grid system solution.

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Solar Battery Manufacturer Certificates

Quality Certifications

Quality is crucial for the survival of a company, our production plants have obtained most of the relevant certificate, including

  • ✓ CE
  • ✓ BIS
  • ✓ UL
  • ✓ ROHS
  • ✓ CB
  • ✓ UN
  • ✓ UN38.3
  • ✓ MSDS

Our Advantages

R&D Team

R&D Team

Preta possesses a strong research and development team, most of the Engineers have at least 7 years experience in the Lithium battery and Solar energy area.

Automation

Automated Production Line

HANWU have fully-automation production line to realize the real short delivery cycle through functional modularization and parts generalization.

Rich Experience

Rich Experience

From 2021 to 2022, HANWU launched over 3GW projects in total in Germany, Austria, South Africa, Brazil and other countries.

Customization

Customization Service

With over 7 years of extensive experience, our technical team excels in designing and fulfilling your customization needs for battery packs.

After Sales

After-Sales Service

HANWU's dedicated support team ensure professional and timely after-sales service, guaranteeing the reliability and efficiency of our products.

Business Support

Business Support

HANWU offer our global business agents a range of support, such as product catalog, datasheet, technical services, agent policy.

Strict Quality Control

Strict Quality Control

At our factory, strict quality control measures are integrated into every stage of production for battery packs and solar panels. From inception to completion, each step undergoes meticulous quality assurance checks.

Testing Before Delivery

Testing Before Delivery

HANWU conduct rigorous testing on both battery packs and solar panels. For battery packs, testing is integrated throughout the entire production process, encompassing BMS testing, battery charging and discharging tests, and more.

How HanWu Energy support you?

HANWU manufactures solar products for you at factory price, if you need customizations, please tell us in advance, and then you sell and provide after-sales service for your clients. We will be here at your service to support you.

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