
Image source: zdnet.com
Introduction
Wireless charging technology has come a long way, with new innovations aiming to keep our devices cool during the charging process. The traditional issue of phones heating up while wirelessly charging has led companies to develop cooling solutions for charging stands. In a recent test conducted by a tech expert, three Qi2-certified wireless chargers with unique cooling mechanisms were put to the test to evaluate their effectiveness in keeping smartphones cool.
The Tested Chargers
The three wireless chargers under scrutiny were the Mophie 4-in-1 charging stand, the Ugreen Qi2 25W Magflow wireless charger, and the ESR Qi2.2 3-in-1 charging station. Each charger boasted distinct cooling technologies to address the common issue of phones heating up during wireless charging. The Mophie charger utilized StealthCharge Technology to keep phones cool passively, while the Ugreen charger monitored phone temperature and adjusted charging levels accordingly. On the other hand, the ESR charger employed an active cooling mechanism with its CryoBoost fan-cooling technology.
Test Results
The test involved charging an iPhone Air and a Google Pixel 10 for 30 minutes using each of the three chargers. Temperature measurements were taken on the charging pad, the back of the phones, and specific heat-sensitive areas like the camera bump. The results indicated that the ESR charger, with its active cooling fan, kept both phones significantly cooler compared to the other chargers. However, the Mophie stand proved to be quieter in operation but was not as effective in cooling the Pixel 10 as the Ugreen charger.
Conclusion
While the test shed light on the varying cooling capabilities of wireless chargers, it also raised questions about the significance of heat in wireless charging. The experiment revealed that wired charging actually generated more heat in the iPhone Air compared to the wireless chargers. This observation challenges the notion that heat is the primary concern during charging. Ultimately, the study emphasized that factors like device compatibility, additional features, and portability may outweigh the importance of cooling mechanisms in wireless charging stands.
Based on reporting from zdnet.com
