DIY Semiconductor Desktop Drink Cooler Cup | Peltier Chiller

Keep Your Drinks Ice-Cold Instantly — Right on Your Desk

Beat the summer heat with this DIY Semiconductor Refrigeration Cup Kit. Powered by high-efficiency Peltier (thermoelectric) technology, this compact desktop cooler chills your beverages rapidly — no ice cubes, no waiting, no fuss. Whether you're building a custom cooling station or upgrading your desk setup, this kit delivers fast, consistent cold right where you need it.

Made in Mainland China.

Why You'll Love It

• Rapid Cooling Technology: High-quality semiconductor (Peltier) refrigeration sheet transfers heat away from your drink quickly for near-instant chilling.
• Multiple Configuration Options: Choose from 8 variants (A–H) to match your needs — from a basic aluminum cup + refrigeration sheet combo to a four-tube enhanced version with included power supply.
• Durable Stainless Steel & Aluminum Build: Premium materials keep your cup sturdy, lightweight, and easy to clean.
• Desktop-Ready Design: Compact footprint fits perfectly on any desk, workstation, or countertop.
• DIY-Friendly: Great for electronics hobbyists, makers, and anyone who loves a hands-on build — assemble your own personal mini cooler!
• Versatile Use: Compatible with standard cup sizes; chill water, juice, soda, energy drinks, and more.

Available Configurations

• A: Aluminum host refrigeration cup + high-quality refrigeration sheet
• B: Aluminum host refrigeration cup + high-quality refrigeration sheet + power supply
• C: Two-tube refrigeration cup + high-quality refrigeration sheet
• D: Two-tube refrigeration cup + high-quality refrigeration sheet + power supply
• E: Four-tube refrigeration cup + high-quality refrigeration sheet
• F: Four-tube refrigeration cup + high-quality refrigeration sheet + power supply
• G: Four-tube refrigeration cup (enhanced) + high-quality refrigeration sheet
• H: Four-tube refrigeration cup (enhanced) + high-quality refrigeration sheet + power supply

Specifications

Related Products You May Like

• 1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino — great for DIY electronics projects
• 1.54" ST7789 TFT LCD 240x240 SPI Color Display Module — add a display to your DIY cooler build

For more on how thermoelectric cooling works, visit the U.S. Department of Energy – Home Cooling Systems resource.

Learn more: Evaporative cooler

Frequently Asked Questions

Q: How does the semiconductor refrigeration cup work?

A: The cup uses a Peltier (thermoelectric) module — a refrigeration sheet that transfers heat from one side to the other when an electric current is applied. The cold side contacts your drink container, rapidly drawing heat away and chilling your beverage without any moving parts or refrigerant gas.

Q: Do I need to buy a power supply separately?

A: It depends on the configuration you choose. Options B, D, F, and H include a power supply in the package. Options A, C, E, and G include only the cup and refrigeration sheet, so you'll need to supply your own compatible power source.

Q: Which configuration is best for beginners?

A: If you're new to DIY builds, we recommend starting with Configuration B (aluminum host cup + refrigeration sheet + power supply) — it includes everything you need to get started right out of the box without sourcing additional components.

Q: What types of drinks can I chill with this cup?

A: This desktop semiconductor cooler is compatible with most standard cup sizes and works great for water, juice, soda, energy drinks, iced tea, and other cold beverages.

Q: Is this suitable as a DIY electronics project?

A: Absolutely! The kit is popular among electronics hobbyists, makers, and students learning about thermoelectric cooling. It's a hands-on way to explore Peltier module technology while building something practical and functional.