Technical Service / Technical Support

Technical Support

Practical support for battery selection, system matching and product inquiries.

How Can We Help?

Check System Compatibility

Identify the battery and inverter models before confirming a system combination.

Inverter Compatibility →

Help Us Understand Your System

Include these details in your message so we can identify the product and understand your question.

  • Battery model and serial number
  • Order reference or purchase date
  • Inverter / charger model and firmware, if available
  • Application and system configuration
  • Issue description, error codes and photos
  • Your country and contact information

Product Knowledge & Training

Discuss training requirements for your team, installation partners or customers. Topics and arrangements are confirmed with CSSUN for your project.

Product Fundamentals

Product features, working principles and the relevant documentation.

Application Guidance

Product selection and lessons from battery and energy storage applications.

Operation & Maintenance

Model-specific manuals, operating requirements and maintenance guidance.

Technical Support

Welcome to be CSSUN Partner

Distributor, Retailer, Wholesaler
Join Us With Any Of These Roles

Technical Service

Need Battery Urgent?

You can contact us in any way that is convenient for you. We are available 24/7 via: sales@cssun.net or WhatsApp/WeChat: +8613798341910
New Products
Power Battery

CSSUN TECHNICAL ADVANTAGE

CSSUN has setup world-class R&D centers in Foshan Guangdong China, gathering a large number of industry elite including two professors and a dozen senior engineers who have rich experience in battery research, as well as manufacturing, R&D of data center and key infrastructure equipment. the performance of our products has high international standards and a variety of technologies have been granted national and international patents such as the UPS, battery charger, Smart IT Cabin Solution etc. Therefore, choose CSSUN, you can get professional support with

  • comprehensive datasheets, munuals, software, and certificates;
  • 24-hour response time to support the project sites;
  • experienced engineers to offer a seamless combination of customized products and solutions.
CSSUN COMPANY is a Chinese Lithium Battery Manufacturer

CSSUN TECHNICAL TRAINING

CSSUN training program is designed to meet the practical application, training objectives include CSSUN partners, users and employees. The training course will vary according to the background of trainees. We can provide training in the following areas:

  • Product working principle introduction
  • Product maintenance skills training
  • Product application case explanation
  • Customized courses for specific customers

Accurate training will help you to respond quickly and efficiently in any situation, helping you to improve manufacturing facility’s operational efficiency.

Technical Service

Technical Support

Choose the support you need for your battery or energy storage system.

How Can We Help?

Choose a Battery

Discuss your application, capacity requirements and inverter model with CSSUN.

Discuss Your Requirements →
Check System Compatibility

Identify the battery and inverter models before confirming a system combination.

Inverter Compatibility →
Get Product Support

Send the product details and a description of the issue to help us review your request.

Prepare a Support Request →

Help Us Understand Your System

Include these details in your message so we can identify the product and understand your question.

  • Battery model and serial number
  • Order reference or purchase date
  • Inverter / charger model and firmware, if available
  • Application and system configuration
  • Issue description, error codes and photos
  • Your country and contact information

Product Knowledge & Training

Discuss training requirements for your team, installation partners or customers. Topics and arrangements are confirmed with CSSUN for your project.

Product Fundamentals

Product features, working principles and the relevant documentation.

Application Guidance

Product selection and lessons from battery and energy storage applications.

Operation & Maintenance

Model-specific manuals, operating requirements and maintenance guidance.

What Are You Looking For?

Welcome CONTACT CSSUN

While we’re good with smoke signals, there are simpler ways for us to get in touch and answer your questions.

Email *
WhatsApp / Phone (optional)
Project Requirements *
We’ll use your details to respond to this inquiry.