1. Introduction
Thank you for choosing the SUNPOW GXZ-C2 Dual Compartment Ultrasonic Cleaner. This device utilizes 45 kHz ultrasonic technology to provide efficient and gentle cleaning for a variety of items, including jewelry, glasses, watches, and contact lenses. Its unique dual-tank design allows for separate cleaning of different item types, ensuring hygiene and convenience. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Safety Information
- Do not immerse the main unit of the cleaner in water or other liquids.
- Use only clean tap water or a recommended non-abrasive cleaning solution.
- Keep the device out of reach of children and pets.
- Unplug the power cord from the outlet when not in use, before filling or emptying the tank, and during maintenance.
- Do not operate the cleaner with an empty tank. Ensure the water level is between the MIN and MAX lines.
- Avoid cleaning items with loose stones, cracked coatings, or delicate surfaces that may be damaged by ultrasonic vibrations. Refer to the 'Recommended / Not Recommended' section.
- Observe recommended usage intervals: Do not operate for more than 15 minutes continuously. Allow the device to rest for at least 5 minutes before restarting.
- Do not disassemble or attempt to repair the device yourself. Contact customer support for assistance.
3. Product Overview
3.1 Components
- SUNPOW GXZ-C2 Ultrasonic Cleaner Unit
- Jewelry Cleaning Basket
- Contact Lens Cleaning Basket
- Power Adapter
3.2 Key Features
- Dual Frequency Cleaning: Utilizes 45 kHz ultrasonic technology with both standard and deep cleaning modes for versatile use.
- Dual Compartment Design: Features a large tank for jewelry, glasses, and watches, and a dedicated small tank for contact lenses, preventing cross-contamination.
- Ultra-Quiet Operation: Operates at less than 45 dB, ensuring a peaceful cleaning experience.
- Multi-functional: Suitable for cleaning silver, gold jewelry, diamond rings, earrings, glasses, watches, razors, dentures, and more.
- Easy and Safe Use: Simple water-based cleaning, eliminating the need for harsh chemicals and protecting sensitive coatings.

Image: The SUNPOW GXZ-C2 Ultrasonic Cleaner demonstrating its 45kHz ultrasonic cleaning technology and 360-degree deep cleaning. Before and after examples show improved clarity for glasses, a watch, and contact lenses.

Image: Illustration of the unique dual-tank design of the SUNPOW GXZ-C2, featuring a large tank for deep cleaning glasses and jewelry, and a small tank for gentle care of contact lenses, ensuring safe and hygienic cleaning.
4. Setup
Follow these steps for initial setup and preparation for cleaning:
- Open the lid of the ultrasonic cleaner.
- Fill the main tank with clean tap water up to the 'MAX' line. For enhanced cleaning, a small amount of mild detergent or specialized ultrasonic cleaning solution can be added.
- If cleaning contact lenses, fill the small contact lens compartment with appropriate contact lens solution.
- Place the items to be cleaned into the appropriate basket (jewelry basket for large items, contact lens basket for lenses) and then place the basket into the tank. Ensure items are fully submerged but not overcrowded.
- Close the lid.
- Connect the power adapter to the DC 12V port on the back of the unit, then plug the adapter into a standard electrical outlet.

Image: A visual guide illustrating the six simple steps to use the SUNPOW GXZ-C2 ultrasonic cleaner: pouring liquid, placing items, connecting power, selecting cleaning mode, choosing the compartment, and wiping the device clean.
5. Operating Instructions
5.1 Control Panel Overview
The control panel features intuitive buttons for easy operation:
- Power Button (⏸): Press and hold for 3 seconds to turn the device ON or OFF.
- Mode Indicator Lights: Indicate the selected cleaning mode (Standard or Deep).
- Compartment Selection Button (☰): Press to cycle through compartment options: BIG (large tank), SMALL (small tank), ALL (both tanks).

Image: Detailed view of the SUNPOW GXZ-C2's intuitive control panel, illustrating the compartment selection options (BIG, Small, All) and the power button with indicators for Standard and Deep cleaning modes.
5.2 Cleaning Modes
The device offers two cleaning modes:
- Standard Mode (5 minutes): Ideal for daily light cleaning of delicate items such as soft contact lenses, colored contact lenses, gold rings, watches, and other precious articles.
- Deep Mode (5 minutes): Provides powerful stain removal for items like glasses, metal necklaces, razor heads, keys, small tools, and other items with stubborn dirt.

Image: The SUNPOW GXZ-C2 showcasing its two cleaning modes. The top unit illustrates the 5-minute standard mode for light daily cleaning of items like contact lenses and delicate jewelry. The bottom unit demonstrates the 5-minute deep mode for powerful removal of stubborn stains from glasses, metal items, and tools.
5.3 Cleaning Procedure
- After setup, press and hold the Power button (⏸) for 3 seconds to turn on the cleaner.
- Press the Compartment Selection button (☰) repeatedly to select the desired cleaning compartment: BIG, SMALL, or ALL.
- The device will automatically start cleaning in the default mode (Standard). If you wish to switch to Deep Mode, press the Power button briefly to toggle between modes. The corresponding indicator light will illuminate.
- The cleaning cycle will run for 5 minutes and then automatically shut off.
- Once the cycle is complete, unplug the device.
- Open the lid and carefully remove the cleaned items. Rinse them under clean water if necessary and dry with a soft, lint-free cloth.
6. Maintenance
Proper maintenance ensures the longevity and performance of your ultrasonic cleaner:
- After Each Use: Unplug the device, open the lid, and carefully pour out the water from the tank.
- Cleaning the Tank: Wipe the interior of the stainless steel tank with a soft, damp cloth. Do not use abrasive cleaners or scouring pads, as these can scratch the surface.
- Cleaning the Exterior: Wipe the exterior of the unit with a soft, dry cloth. Avoid getting water into the control panel or power port.
- Storage: Store the cleaner in a cool, dry place away from direct sunlight and moisture. Ensure the tank is empty and dry before storage.
- Included Baskets: Rinse the jewelry and contact lens baskets with clean water after each use and allow them to air dry.

Image: Detailed views of the SUNPOW GXZ-C2's components, including the transparent lid for monitoring, the premium DC 12V power port for stable power, the corrosion-resistant 304 stainless steel tank, and the separate cleaning baskets for jewelry and contact lenses.
7. Troubleshooting
If you encounter any issues with your SUNPOW GXZ-C2, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Power cord not properly connected. No power from outlet. | Ensure the power adapter is securely plugged into both the device and a working electrical outlet. Try a different outlet. |
| Poor cleaning results. | Insufficient water level. Incorrect cleaning mode. Items too dirty or overcrowded. | Ensure water is between MIN and MAX lines. Select the appropriate cleaning mode (Standard for light, Deep for stubborn). Pre-rinse heavily soiled items. Clean fewer items at a time. Consider adding a mild cleaning solution. |
| Device stops during operation. | Automatic shut-off after 5 minutes. Overheating protection activated. | This is normal operation. If it stops prematurely, unplug the device and let it cool down for 5-10 minutes before restarting. Ensure not to exceed 15 minutes of continuous use. |
| Unusual noise or vibration. | Normal ultrasonic operation. Device not on a stable surface. | A slight buzzing sound is normal. Ensure the device is placed on a flat, stable surface. If the noise is excessive or unusual, discontinue use and contact support. |
If the problem persists after trying these solutions, please contact SUNPOW customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | SUNPOW |
| Model Number | GXZ-C2 |
| Product Dimensions (L x W x H) | 22.6 x 10 x 7.3 cm |
| Product Weight | 510 grams |
| Color | White |
| Ultrasonic Frequency | 45 kHz |
| Liquid Volume Capacity | 300 Milliliters |
| Noise Level | < 45 dB |
| Power Source | DC 12V Adapter (Included) |
| Included Components | Jewelry cleaning baskets, adapter, contact lens cleaning basket |
| UPC | 722891898787 |
| Country of Origin | China |
9. Recommended / Not Recommended Items
To ensure optimal cleaning and prevent damage, please refer to the following guidelines:
Recommended for Cleaning (✅)
- ✅ Contact Lenses and Cases
- ✅ Waterproof Glasses, Watches, Metal Bracelets
- ✅ Rings, Necklaces, Earrings (without loose precious stones)
- ✅ Makeup Brushes, Nail Clippers, Combs, Razor Heads, Toothbrushes, Dentures
Not Recommended for Cleaning (❌)
- ❌ Glasses/Sunglasses with scratches or cracks in the coating
- ❌ Tarnished Silver
- ❌ Jewelry with loose or porous precious stones (e.g., pearls, emeralds, amber, opals)
Note: After 15 minutes of use, allow the device to rest for 5 minutes before restarting.

Image: A comprehensive guide detailing items that are recommended (e.g., contact lenses, waterproof watches, solid metal jewelry) and not recommended (e.g., glasses with damaged coatings, tarnished silver, jewelry with porous or loose stones) for cleaning with the ultrasonic device.
10. Warranty and Support
SUNPOW is committed to providing high-quality products and customer satisfaction. While specific warranty details may vary by region and retailer, we generally offer support for manufacturing defects within a reasonable period from the date of purchase.
For any questions, troubleshooting assistance, or warranty claims, please contact our customer support team through the retailer where you purchased the product or visit the official SUNPOW website for contact information.
Please have your model number (GXZ-C2) and proof of purchase ready when contacting support.





