1, MagSafe external battery itself does not support MagSafe wireless charging, want to charge it need to use Lightning charging cable for wired charging. The MagSafe external battery indicator will show yellow when it starts charging and green when it is fully charged. 2, the official recommendation is to use more than 20W adapter to charge MagSafe, power is not enough to charge, is slow.
3. The MagSafe external battery will automatically magnetically adsorb and align with the back shell of iPhone 12 series. After adsorption, the battery will automatically start charging, and the battery will automatically stop charging after being removed, without physical switch