Frequently Asked Questions
What is the standard warranty period for your EV chargers?

We offer a standard 2-year manufacturer warranty for all EV chargers, covering non-human damaged parts and performance failures. The warranty period can be extended with additional payment for commercial project clients.

How can I apply for warranty service?

To apply for warranty service, simply contact our customer service team via email, hotline, or local distribution partner, and provide your product model, serial number, and a detailed description of the issue. Our team will respond within 24 working hours and provide a solution, including free repair or replacement for eligible warranty claims.

Do you provide remote technical support and troubleshooting?

Yes. We offer 24/7 technical support for all our products. Our technical team can provide remote troubleshooting, firmware updates, and operation guidance via phone, email, or video call. For supported smart models, we can also perform remote diagnostics and fault resolution via the cloud platform.

What end-to-end services do you offer for commercial projects?

For commercial and enterprise projects, we provide full-cycle end-to-end services, including:

  • Pre-sales: Site survey, load calculation, solution design, and quotation
  • Sales: Product supply, certification support, and delivery coordination
  • Post-sales: Installation guidance, commissioning, operation training, and long-term maintenance
Do you offer OEM/ODM customization services?

Yes. We provide comprehensive OEM/ODM customization services for commercial clients, including product appearance design, LOGO printing, functional module customization, software interface customization, and packaging design. We also support dedicated technical account managers and regular on-site inspections for bulk purchase clients.

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+86 18157757913

support@chinasuntree.com

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