I currently have a Quadlock adapter installed indoors on my bike. However, I wanted to switch to a MagSafe charger to avoid the hassle of plugging it in each time. So, I've built a Quadlock to MagSafe adapter, allowing my phone to be magnetically held on my bike. I opted for the low-cost ESR Halolock, which is available on Amazon. Unfortunately, it's not compatible with the Apple MagSafe charger because the ESR is slightly bigger.

The Halolock is a tight fit, but I've added a hole to assist with removing the charger if necessary.

The Quadlock Socket Receiver is imported from: https://www.printables.com/fr/model/134144-quadlock-socket-reciever