SL33 Magnetic Phone Cooler – Semiconductor Radiator iOS & Android
SL33 Magnetic Phone Cooler – Semiconductor Radiator iOS & Android
SL33 Magnetic Back-Clip Phone Cooler — Stay Cool During Gaming & Streaming
Keep your smartphone running at its best with the SL33 Semiconductor Phone Cooler. Featuring a unique 6-shaped semiconductor cooling module and a magnetic back-clip design, this ultra-lightweight radiator rapidly draws heat away from your phone so you can game longer, stream further, and browse without slowdowns.
Key Features
- 6-Shaped Semiconductor Cooling Technology: Rapidly lowers device temperature during high-load activities like mobile gaming and live streaming, helping maintain smooth, stable performance.
- Magnetic Back-Clip Design: Snaps securely onto the back of your phone in seconds — no need to remove your case. Detaches just as effortlessly when you're done.
- Universal Compatibility: Fits mainstream iOS and Android smartphones with a width of 65–88 mm, covering the vast majority of popular models.
- Dual-Mode Power Input (5V–2A): Powered via USB so you can cool and charge simultaneously — no battery drain, no lag, no interruptions.
- Ultra-Light & Portable (61 g): At just 61 grams and roughly palm-sized, the SL33 slips easily into a pocket or bag — ideal for on-the-go gamers and streamers.
- Certified & Safe: CE, FCC, RoHS, and KC certified for your peace of mind.
Product Specifications
| Model | SL33 |
| Input | 5V – 2A |
| Dimensions | 96 × 65 × 22 mm |
| Weight | 61 g |
| Compatible Phone Width | 65 mm – 88 mm |
| Certifications | CE, FCC, RoHS, KC |
| Country of Origin | Made in China |
How to Use
- Clip the SL33 onto the back of your smartphone, ensuring the aluminum surface is flush against the back of the phone (works best without a case).
- Connect the included power cable to a charger that outputs at least 5V–2A (cable must also support 2A minimum).
- The indicator light will turn on, confirming the cooler is active and your phone is being kept at an optimal temperature.
⚠️ Important: For optimal cooling performance, ensure your charger outputs at least 5V–2A and your power cable supports at least 2A. Using underpowered accessories may reduce cooling effectiveness.
For more information on smartphone thermal management and device safety, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.
Learn more: Nokia Lumia
Frequently Asked Questions
Q: Does the SL33 phone cooler work with a phone case attached?
A: Yes! The magnetic back-clip design attaches over most phone cases. However, for maximum cooling efficiency, direct contact between the aluminum surface and the phone's back panel is recommended — so performance is best without a case.
Q: What devices is the SL33 magnetic phone cooler compatible with?
A: The SL33 is compatible with the vast majority of iOS and Android smartphones that have a body width between 65 mm and 88 mm, making it suitable for most popular models including large-screen and standard-sized phones.
Q: Can I charge my phone while using the SL33 phone cooler?
A: Absolutely. The SL33 is powered via USB (5V–2A input) and operates independently of your phone's charging port, so you can keep your phone charging while the cooler is active — no need to choose between power and cooling.
Q: How loud is the SL33 phone cooler fan?
A: The SL33 is designed to be compact and relatively quiet, making it suitable for use during gaming sessions, live streams, or video watching without becoming a significant distraction.