Signature Solar and Wiren Shenzhen Officially Enter Strategic Partnership
Jun.16, 2026
In May 2025, Signature Solar and Wiren (Shenzhen) officially signed a strategic cooperation agreement. The two parties will work closely in the North American and global distributed energy storage markets, jointly delivering higher-quality energy storage products, a more stable supply chain system, and more comprehensive pre-sales and after-sales service support.
This partnership marks a new stage in Wiren Shenzhen’s global expansion strategy and further strengthens Signature Solar’s ability to integrate a high-quality energy storage supply chain.
A Quality-Driven Partnership Foundation
Wiren Shenzhen has always adhered to a “quality-first” product strategy, focusing on the development and manufacturing of lithium battery systems with high safety standards and high consistency.
The core product in this cooperation is the Wiren UL-certified U5 series battery system, designed for residential energy storage and small-to-medium commercial applications, featuring:
- UL-aligned safety design with relevant certification standards
- High cell consistency through strict screening and production control
- Intelligent BMS with multiple protection mechanisms
- Long cycle life design suitable for high-frequency charge/discharge applications
- Modular design for easy installation and scalability
Signature Solar will serve as one of the key distribution partners for this product line, accelerating its adoption in the North American market.

Strengthening Pre-sales and After-sales Service Systems
This cooperation goes beyond product supply and emphasizes a full upgrade of service capabilities.
Both parties will collaborate in the following areas:
1. Optimized Pre-sales Support
- System-level energy storage solution design support
- Application-based configuration guidance (off-grid / grid-tied / commercial storage)
- Fast response mechanism for technical documents and certification materials
2. After-sales Service Assurance
- Joint technical support channel to improve response efficiency
- Remote diagnostics and system commissioning support
- Continuous development of a North America-based service network
3. Quality and Delivery Assurance
- Multi-stage factory testing and system validation before shipment
- Batch traceability system to ensure product consistency
- Stable supply chain management to reduce project delivery risks
Long-Term Strategic Alignment for the North American Market
With the rapid growth of distributed energy storage and residential energy systems, market demand for “safety + stability + maintainability” continues to rise.
This cooperation between Signature Solar and Wiren Shenzhen is a long-term strategic response to this trend:
- Improve accessibility to high-safety energy storage products
- Strengthen supply chain stability and delivery capability
- Promote wider adoption of cost-effective energy storage solutions
- Accelerate the deployment of clean energy in residential and commercial sectors
Wiren’s Brand Positioning: Quality-Driven, Not Price-Driven
Wiren Shenzhen remains committed to a core principle:
In the energy storage industry, long-term reliability is more important than short-term cost.
Therefore, Wiren focuses on:
- Safety redundancy in battery system design
- High-consistency cell selection standards
- Industrial-grade structural and thermal management design
- Long-term operational stability validation
This partnership with Signature Solar further validates international market recognition of Wiren’s quality-driven strategy.
Outlook
Looking ahead, both parties will continue to deepen their cooperation in the following directions:
- Expanding more UL-standard energy storage product lines
- Strengthening localized service capabilities in North America
- Enhancing system-level solution integration
- Improving accessibility and reliability of global distributed energy systems
This partnership is not only a commercial collaboration, but also a shared commitment to advancing safe energy storage and clean energy adoption worldwide.
About Wiren (Shenzhen)
Wiren (Shenzhen) specializes in the R&D and manufacturing of high-quality lithium energy storage systems, covering residential storage, commercial & industrial storage, and specialized applications. The company is committed to a safety-first and quality-first product philosophy.
https://www.wirenergy.net/hess/u5-51-2v-100ah.html
About Signature Solar
Signature Solar is a leading solar and energy storage solutions provider in North America, dedicated to delivering efficient, reliable energy systems and technical support services to customers.













