What's the difference between Android's Qi2 And Qi2.2 wireless charging?

Qi2 2.0 (Qi2 25W) delivers up to 25 watts, roughly 10 watts more than the earlier Qi2 limit of 15 watts, cutting the time to reach 50% charge from about 50-80 minutes to roughly 30 minutes on compatible devices. The higher-power standard also provides better thermal management, reducing peak charging temperatures and potentially extending battery lifespan.