Frequently Asked Questions - MORNSUN Distributor
Find answers to common questions about MORNSUN products, ordering, shipping, and technical support.
General Questions
Where can I buy authentic MORNSUN products?
You can buy authentic MORNSUN products from authorized distributors like LiTong Power. As a Tier 1 authorized distributor, we guarantee 100% genuine MORNSUN power modules with full traceability and manufacturer warranty. Avoid unauthorized sellers to prevent counterfeit products.
How do I verify if a distributor is authorized by MORNSUN?
To verify an authorized MORNSUN distributor, check for: 1) Official authorization certificate from MORNSUN, 2) Listed on MORNSUN's official website distributor page, 3) Ability to provide original manufacturer warranty, 4) Direct technical support from MORNSUN FAE team. LiTong Power is a verified Tier 1 distributor with official authorization.
What is the typical delivery time for MORNSUN products?
Delivery times vary by location: USA (1-3 days), Germany (2-3 days), India (3-5 days), Japan (2-3 days), Korea (2-3 days), Vietnam (2-3 days). We maintain local stock in major markets for same-day shipping on popular models. Contact us for specific delivery estimates to your location.
Technical Support
Do you offer technical support for MORNSUN power modules?
Yes, LiTong Power provides comprehensive technical support including: product selection guidance, application circuit design, EMC/EMI recommendations, thermal management advice, and troubleshooting assistance. Our FAE (Field Application Engineer) team has 25+ years of combined experience with MORNSUN products.
How do I choose the right AC/DC or DC/DC converter for my application?
Consider these factors: input voltage range, output voltage/current requirements, isolation needs, efficiency requirements, operating temperature, package size, and safety certifications. Our FAE team can provide free selection guidance - contact us with your specifications for recommendations.
Are MORNSUN products RoHS and CE compliant?
Yes, all MORNSUN products are RoHS compliant (2011/65/EU) and carry CE marking for European markets. Many products also have UL, cUL, and CB certifications. We can provide certificates of compliance and full technical documentation upon request.
Ordering & Shipping
What is the minimum order quantity (MOQ) for MORNSUN products?
We accommodate orders of all sizes. For standard catalog items, we have no minimum order quantity - you can order single units for prototyping. For high-volume production orders, we offer competitive volume pricing. Contact our sales team for specific pricing and availability.
Do you offer samples for evaluation?
Yes, we provide samples for qualified customers. Sample requests are typically processed within 1-2 business days. Standard samples ship from local stock. Contact us with your company information and project details to request samples.
What payment methods do you accept?
We accept wire transfer (T/T), major credit cards, and PayPal for smaller orders. For established customers, we offer net-30 payment terms subject to credit approval. All prices are in USD unless otherwise specified.
Warranty & Returns
What warranty do MORNSUN products come with?
MORNSUN products typically come with a 3-year warranty from the date of manufacture. As an authorized distributor, we facilitate warranty claims directly with MORNSUN. Please retain your purchase documentation for warranty service.
What is your return policy?
Standard products in original, unopened packaging can be returned within 30 days of purchase. Special order and custom products are non-returnable. Please contact our customer service team to initiate a return authorization.