MagSafe was launched last year with iPhone 12.
Apple iPhone launch event is all set for next week.
It shows the look of the charger that will be different from the existing charger.

It shows themodel number A2548, and the current one is A2140.
However, no other details of the charger are shared.
Apple has tested the MagSafe charger with eight different iPhone models.

The filing also mentioned New Phone units that can be the upcoming iPhone 13 series.
It is expected that Apple will launch four new iPhone models at the upcoming event.
Though the FCC filing doesnt talk exactly about anything, most of them are guesses around the MagSafe charger.

Heres the tweet,
New Apple MagSafe charger just went thru the FCC.
Apple might do minor internal changes or can part swaps to boost power transmission and efficiency.
Earlier in July, Apple planned to enlarge iPhones charging coil with iPhone 13 for managing heat.

So, a larger coil area requires a new design of MagSafe.
A couple of days ago, a new video was leaked that showed thenaming schemeof the upcoming iPhone series.