WELCOME TO China Manufacturer Lithium Battery 10a 20a 30a PWM Charger Solar Controller 12V
Our factory area spans a 5-story industrial building covering approximately 5,000 square meters. We focus on the R&D, production, and sales of high-performance solar controllers, solar inverters, solar panels, and associated solar power products. With a professional and technical team bringing nearly 20 years of industry experience alongside excellent management personnel, we excel in delivering top-tier R&D, customization, and production solutions for domestic and international clients.
Factory Overview & Culture
Adhering to the core belief of being accountable to our customers and the market, we prioritize cost-effective products as the foundation of development. Alongside continuous R&D investments, we optimize product costs, perform 100% full-function tests on all goods before delivery, and provide responsible, comprehensive service to maximize profit and market potential for our partners.
Frequently Asked Questions
Q
Do you manufacture all of these solar products in-house?
Yes, we operate our own solar panel factory, plastic & injection facility, PCB facility, cabling plant, lithium battery production plant, and multiple assembly lines. All products we offer are fully designed and manufactured by our team.
Q
How do you manage product quality control?
We have specialized in solar lighting and charging products for 20 years. Every item undergoes strict inspection processes to meet international quality standards, backed by a comprehensive one-year warranty.
Q
What is the typical defect rate of your products?
Our strict production and testing standards maintain a defect rate of under 0.2%, providing users with secure, consistent operation.
Q
What after-sales service capabilities do you provide?
We have a dedicated customer service and technical team ready to address complaints, feedback, and operating issues promptly, alongside regular updates on market information.
Q
How is exclusivity handled for OEM & ODM projects?
Before commencing custom projects, we execute product mold contracts, non-disclosure agreements, and exclusive sales agreements to secure your design and distribution rights.
Q
What is the policy regarding order cancellations and refunds?
Once the Proforma Invoice (PI) is confirmed and the production queue is active, refunds for cancellations are generally not accepted. If we cannot supply products due to stock shortages, we issue prompt refunds.
We remain committed to the sustainable development of global clean energy and look forward to creating a bright, sustainable future with our partners worldwide.
CONTACT US FOR DETAILED SPECIFICATIONS
Jonas Energy
