However, this leaves open the question if the same problems occur with Apple's new 35w dual-port charger.

So it appears that problems (if any) are due to 'the charging strategy of the M2 Macbook'. If one of the other ports on the charger is drawing power to charge another device, there will inevitably be fluctuations in power delivery via the Magsafe cable, which will cause it to disconnect. My best understanding now is that Anker chargers (and/or other multi-port chargers) will work with the Magsafe cable without issue, as long as it is the ONLY cable drawing power from the charger. This is consistent with other comments I've seen here & from customers on Amazon. It's recommended to use a standard USB-C to USB-C cable to power the M2 Macbook.'

PS 2: Just now I received an updated response from Anker customer support: 'Because of the charging strategy of the M2 Macbook that disconnects its MagSafe port when it receives a power adjustment, there will be disconnections when charging the M2 MacBook with the original Magsafe charging cable with multi-port chargers.

Macbook air usb c charging