Faster wireless charging: Qi2 devices typically support up to around 15 W of power—faster than old Qi chargers that were often limited to about 5–7.5 W. 

Better efficiency: Magnetic alignment improves energy transfer and reduces wasted power and heat. 

Improved device communication: Qi2 chargers and devices “talk” to each other to deliver the right amount of power safely.

Backward compatibility: You can still charge older Qi-compatible devices on a Qi2 charger (they’ll charge, but usually at the older slower speeds). 

A few things to consider:

✔ Often works fine if:

• You use a proper fast adapter and cable. 

• Your devices support Qi2 or the correct MagSafe alignment. 

⚠ Can seem unreliable if:

• The charger isn’t producing enough power. 

• Your phone/watch isn’t placed perfectly.

• Your device has thick cases or accessories.

• You expect wired charging speeds (wireless is always slower). 

✅ Tips to Make It Work Better

✔ Use a high-quality fast wall adapter (30 W+ PD) — not just the phone’s included cable.

✔ Remove thick phone cases. 

✔ Make sure the phone/watch is centered on the charging pad. 

✔ For magnetic models, ensure the device actually aligns with the magnets.