Skip to content
Unbound Solar Logo
  • Solar Products
  • Learn
CALL
1-888-907-5792
OR
Get Quote
  • Solar Products
    • Yard Sale: A variety of products available at 20 to 50% off!
    • Solar System Kits
    • Grid-Tie
      • Solar Permit Plan Set
      • Grid-Tie w/ Battery Storage
      • Solar Panels
      • Inverters
      • Hybrid Inverters
      • Sol-Ark Inverter
      • Battery Backup Inverters
      • Mounting Hardware
      • Wiring
      • Breaker Panels
      • Combiner Boxes
      • Enphase Microinverters
      • SolarEdge String Inverters & Optimizers
      • SMA String Inverters
      • Sol-Ark Hybrid Inverters
    • Off-Grid
      • Solar Panels
      • Inverters
      • Sol-Ark Inverter
      • Sol-Ark Hybrid Inverters
      • Pre-Wired Power Centers
      • Magnum Inverters & Power Centers
      • Mounting Hardware
      • Generators
      • Charge Controllers
      • Wind Turbines
      • Wiring
      • Breaker Panels
    • Solar Panels
      • Color – Black
      • Color – Silver
      • Tech Type – Mono PERC | Most Popular
      • Tech Type – Poly | RV, Boat, Remote
      • Heliene
      • Mission Solar
      • Solaria
    • Energy Storage
      • Generators
      • Batteries
      • Battery Banks
      • Backup Systems
      • Battery Chargers
      • Battery Enclosures
      • Battery Monitors
      • Battery Cable
      • Sol-Ark Inverter
      • EndurEnergy
      • Crown Flooded Batteries
      • FullRiver AGM Batteries
      • Fortress LFP Batteries
    • Commercial
      • Commercial Systems
      • Builder Program
      • Installer Program
      • SolarEdge 3-Phase String Inverters & Optimizers
      • SMA 3-Phase String Inverters
  • Learn
    • Customer showcase
    • Pros & Cons
      • Pros & Cons of Solar
      • Are Solar Panels Worth It?
      • Solar Cost Calculator
      • Solar Panels ROI
      • Solar Tax Credit
      • State Solar Incentives
      • Solar Lease Guide
      • Should You Lease Solar?
      • Solar Financing
    • Planning
      • Solar & Home Value
      • Community Solar
      • Sun Hours Map
      • Electrical Requirements
      • Permitting
      • Net Metering
      • Installation Method
    • Designing
      • Grid-Tie vs. Off-Grid
      • Sizing Your System
      • Solar Panel Efficiency
      • 60 Cell vs. 72 Cell Solar Panels
      • Monocrystalline vs. Polycrystalline Solar Panels
      • Best Solar Panels
      • Inverter Types
      • Best Grid-Tied Inverters
      • Ground vs. Roof Mount
      • Best Solar Panel Mounts
      • Lead-Acid vs. Lithium Batteries
      • Best Solar Batteries
      • Adding Battery Backup
    • Installing
      • Step-by-Step Installation
      • Planning & Safety
      • Wiring & Electrical
      • Mounting Panels
      • Battery Installation
      • Off-Grid Commissioning
    • Monitoring & Maintenance
      • Best Monitoring Solutions
      • Panel Cleaning & Maintenance
    • Frequently Ask Questions
      • Grid-Tie Cost Calculator
      • Do I Need Battery Backup?
      • Grid-Tie vs. Off-Grid
      • Off-Grid Cost Calculator
      • Off-Grid System Sizing
      • Best Batteries for Solar
      • Solar Cost Calculator
      • Best Solar Panels of 2021
      • 8 Costly Solar Mistakes to Avoid 
      • AGM vs. Gel Batteries
      • How to Add Battery Backup
      • Best Batteries for Solar
      • Solar Panel Installation Guide
      • California’s Energy Compliance
  • Solar 101
  • Free Guides
  • Project Calculators
  • Videos
  • Commercial
  • Builders
  • Installers
AI Terms
    Categories
      Brands
        Articles
          See more
          Products
            See more
            1. Home›
            2. Brands›
            3. Cotek

            About Cotek

            • Website: http://www.cotek.com.tw/
            • Made in: Taiwan
            • Warranty: 2 years

            Key Points

            • Strict quality control
            • 25 years of experience in the Renewable Energy Field

            Description

            Key Points

            • Strict quality control
            • 25 years of experience in the Renewable Energy Field

            Established in 1986, COTEK Electronic is based in Taiwan and supplies quality DC/AC offgrid sinewave inverters for industrial, backup power, renewable energy and recreational applications. Cotek has grown leaps and bounds over the past 25 years and today it serves an ever-increasing global market.

            Their success stems from a mission to offer a good price point without compromise to quality. With state of the art quality control and management systems in place, COTEK has achieved a product defect rate under 100ppm or less than 0.10% and are committed to cutting that number in half.

            Behind every successful renewable energy company is a great Research & Development team. COTEK is no exception. Their R&D team includes eight electrical engineers with over twenty years of experience. Their combined expertise spans various aspects of electronics including High Voltage, High Power Transformer, Analog, Digital, Microprocessor, Linear and Switching Mode Technologies.

            Showing all 7 resultsSorted by popularity

            • Cotek
              CX-1215 1

              CX-1215

              Cotek CX-1215 15 amp 12 volt Charger
              $201.68
            • Cotek
              SL2000-112 2,000W 12V 1

              SL2000-112 2,000W 12V

              Cotek SL series 2000w 12v Pure Sine-wave Inverter SL2000-112
              $936.19
            • Cotek
              SP700-148 700W 48V 1

              SP700-148 700W 48V

              Cotek SP series 700w 48v Pure Sine-wave Inverter SP700-148
              $342.11
            • Cotek
              CX-1235 1

              CX-1235

              Cotek CX-1235 35 amp 12 volt Charger
              $267.77
            • Cotek
              SP4000-148 4,000W 48V 1

              SP4000-148 4,000W 48V

              Cotek SP series 4000w 48v Pure Sine-wave Inverter SP4000-148
              $1,349.49
            • Cotek
              SP3000-148 3,000W 48V 1

              SP3000-148 3,000W 48V

              Cotek SP series 3000w 48v Pure Sine-wave Inverter SP3000-148
              $1,032.51
            • Cotek
              SE350-112 350W 12V 1

              SE350-112 350W 12V

              Cotek SE series 350w 12v Pure Sine-wave Inverter SE350-112
              $184.90
            solar inverter guide
            Download Your FREE Solar Inverter Guide
            Manage Power Flow Like a Solar Pro! Download Now for Hassle-Free Hookup.
            Get free guide »
            • Column 1
              • Shop
              • Grid-Tie Solar
              • Off Grid Solar
              • Complete Systems
              • Solar Panels
              • Electrical
              • Batteries & Backup
              • Hardware & Racking
              • Commercial
              • Company
              • About Us
              • Contact Us
              • Careers
              • Newsroom
            • Column 2
              • Learn
              • Solar 101: Start Here
              • Solar Resource Center
              • Solar Blog
              • Guide to DIY Solar
              • Getting Started with Solar
              • Tools
              • Solar Cost Calculator
              • Off Grid Calculator
              • Battery Bank Calculator
              • California Solar Mandate Calculator
              • Solar Permitting
            • Column 3
              • Community
              • Blog
              • Customer Showcase
              • Customer Testimonials
              • Ratings & Reviews
              • Referral Program
              • Support
              • Support Hub
              • Terms & Conditions
              • Shipping Policy
              • Returns
              • Freight Delivery Tips
            Contact Us:
            Phone: 1-888-907-5792
            Social Media
            • Terms of Use
            • Privacy Policy
            © 2025 Unbound Solar. All Rights Reserved.