About SUNS ENERGY
INTRO
SUNS ENERGY is a manufacturer of off-grid and hybrid solar power systems for telecom, infrastructure, and energy projects worldwide.
We support distributors, EPC contractors, and project developers in delivering reliable power solutions in environments where stability is critical.
Our systems are developed under the JOYVOIT energy solution line，our dedicated brand for integrated solar power systems.
Power You Can Rely On – Even Where the Grid Cannot.
We are not a component supplier.
We are a system solution partner.
Our Journey - Built with the Industry
Over the past two decades, the solar industry has evolved from a niche technology into a core part of global energy infrastructure.
SUNS ENERGY was founded in 2009, when solar was primarily used for small off-grid applications such as rural electrification.
In the early stage, we supplied solar home systems to support basic energy access.
But as the industry evolved, so did the challenges.
After 2015, with the rapid adoption of lithium battery storage, new applications emerged:
- Telecom infrastructure
- Remote monitoring systems
- Security and surveillance
- Hybrid energy systems for unstable grids
Many companies continued selling components.
We chose a different path.
We transitioned from supplying individual products to delivering integrated solar power systems designed for real-world deployment.
This led to the creation of the JOYVOIT solution line – combining solar generation, LiFePO4 battery storage, and intelligent control systems.
👉 Today, our focus is clear:
Reliable power for off-grid and unstable grid environments.
How We Think - Engineering for Reality
Many solar systems fail in real projects – not because of technology limitations,
but because they are not designed for actual operating conditions.
At SUNS ENERGY, we design systems based on:
- High temperature environments
- Unstable or weak grid conditions
- Remote installation constraints
- Long-term unattended operation
Our design decisions are driven by real project conditions, not theoretical specifications.
In our experience:
- System reliability matters more than peak efficiency in long-term projects.
We prioritize:
- Stability over short-term cost
- Reliability over marketing specifications
- Simplicity for real deployment
👉 Because in real projects, failure is not an option.
Why Partner With SUNS ENERGY
We do not focus on retail supply.
We work with professional partners on project-based and bulk requirements.
What makes us different:
- We deliver systems, not just components
- We support both off-grid and hybrid energy projects
- We provide stable supply for ongoing deployments
- We offer OEM and private label solutions (including JOYVOIT)
- We collaborate with partners on engineering and system design
- We understand that for our partners,
system failure is not just a technical issue – it is a business risk. - Our goal is not just to supply equipment,
but to help our partners deliver reliable energy systems to their own customers.
Built for long-term cooperation, not one-time transactions
In critical projects, choosing the right system partner makes the difference between stable operation and costly downtime.
How We Work - From Inquiry to Deployment
We follow a structured workflow to reduce project risks and ensure reliable delivery.
Requirement Understanding
We analyze load demand, location, and application scenarios
System Design
Tailored solar + battery solutions for your project
Technical Alignment
Clear confirmation of specifications and expectations
Production & Quality Control
Standardized manufacturing with strict inspection
Delivery & Support
Logistics, documentation, and after-sales support
A clear process means fewer risks, faster execution, and better project outcomes
Who We Work With
We collaborate with partners across global energy and infrastructure sectors:
- Telecom operators and network providers
- EPC contractors and system integrators
- Security and surveillance companies
- Infrastructure developers
- Solar distributors & importers
👉 We primarily work with B2B clients and project-based applications
👉 Not focused on retail supply
If your business depends on reliable power systems,
you are the type of partner we work with.
Global Deployment Experience
Our systems are deployed across diverse environments worldwide:
✔ 50+ countries
✔ 100+ cities
✔ 80,000+ systems delivered
From telecom towers in remote regions
to hybrid energy systems in unstable grid environments,
our solutions are built to perform under real operating conditions.
- Proven in both off-grid and unstable grid scenarios.
Manufacturing & Quality
SUNS ENERGY is the manufacturer behind the JOYVOIT brand, with over 15 years of experience in solar system production.
Our capabilities include:
- Standardized production processes
- Strict quality inspection and testing
- Reliable supply for global markets
Each system is tested for:
- Safety
- Durability
- Long-term performance
We don’t compete on the lowest price.
We focus on delivering systems that work.
Start Working With Us
Looking for a reliable partner for your next solar project?
Tell us your project requirements – our engineering team will recommend a tailored solution.
We support:
✔ Distributors
✔ EPC contractors
✔ Project developers
Witness of history
We established our company in 2010 with a technical team for solar controllers. We had a vision to empower your life with SUNS.
We made an upgradeable SHS with a plastic power box, which was easy to install and maintain. We received positive feedback from customers and experts at the Solar Expo 2012.
We worked with our UK customer for solar fishing lights, which helped African fishermen catch more fish and earn more income. We also supported local communities with our social responsibility programs.
We built our new brand – Joyvoit, which reflects our value of innovation, experience, and loyalty. We also launched our website and online store, where you can find more information about our products and services.
We improved our website and enriched our solar products from off grid to hybrid and grid on. We also added new features such as smart grids, energy storage systems, electric vehicles, and other distributed energy resources.
Reputation is our wealth, we thrive on competition.
Customer-oriented, we provide cutting-edge technology, superior quality, competitive price, and outstanding service.
Innovation, experience, and loyalty.
Our solution
Our Service
Start Working With Us
Join the Solar Revolution with SHENZHEN SUNS ENERGY!
Join 80,000+ customers. Explore innovative solar solutions for a greener future. Act now for a brighter tomorrow!
