20A PWM Techfine 20A 30A MPPT PWM Solar Charge Controller Manual Speed Control PWM for Home

• After-sales Service: Yes
• Warranty: 1 Year
• Certification: CE
• Condition: New
• With LED: With LED
• Flexibility: Portable
• Model NO.: MS Series Controller
• Application: Car Charger, Solar System
• Accessories: Solar System
• Transport Package: Carton Packaging
• Specification: 270*190*98
• Trademark: UPSEN OR OEM
• Origin: China
• Production Capacity: 50000PCS/Year

Product Description

Q1. What is packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, 
We can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 7-20 days after receiving your advance payment. 
The specific delivery time depends on the items and the quantity of your order.

Q5. Can you OEM and ODM Service?
A: Yes, we can  provide free OEM Service, and ODM Service is available for volume order too.

Q6. Do you test all your goods before delivery?
A: Yes, all our products have more than 6~8 hours for againg, and strict test before dispatch

Q7: What's UPSEN Factory advantage?
A: 1:  High working efficiency and production, to be sure compeitive price
     2: Strict material quality control, to be sure all materials meet CE standards
     3: Independent test equipment suitable for most international standard tests 
     4: Each process been tested before assembling which can assure low fault rate, and improve shortages
     5: Professional R&D Engineers with average bachelor degree
     6: Products average upgrading every 1.5~2 years 
     7: 1% free unit or 2% free parts for timely warranty service
     8: Free technical support before and after sales