GOAT (for now) Mobile MagSafe charging solution

For the Solterra, for my iPhone 16 Pro with the unreliable USB C port, I wanted something that would hold the phone visibly and securely and charge it with a decent amount of juice, and ideally with cooling. (I was waiting for TackForm to bring the CR07 back, but, alas, support confirmed it’s been discontinued.)

The components I currently have, which work together brilliantly:

ESR + Coolpow mount in use, holding iPhone 16 Pro
ESR + Coolpow mount in use, holding iPhone 16 Pro

Coolpow vent hook and 17 mm ball interface close-up
Coolpow vent hook and 17 mm ball interface close-up

So far it seems to work really well. I was camped out charging at a Tesla Supercharger station on a road trip and had the Subaru in Room Mode. The phone was streaming audio through CarPlay while I watched the Rams trounce the Buccaneers,  and providing a data hotspot for my laptop. Even with all of that going on, it charged the phone quickly (it was about 50% when I tossed it on the charger).

The vent clip that comes with the ESR just did not fit the Solterra, but the one from “Coolpow” did and fit perfectly. I left it connected to the ESR hanging off the vent for a two hour drive and it was rock solid. I’m stoked. 

Edit: The vent mount is usually ... fine ... but I don’t really like having stuff hanging from it long term, and it does block the vent if you want to use it for, you know, heating or cooling the car. Sigh. This cupholder mount is kind of a kludge but works perfectly with the ESR charger (the 17mm ball on the ESR fits perfectly), and is my daily mount now: Universal Cup Holder Expander Adjustable Base with Phone Mount.

[1] I can draw 9W from both the other USB-C and the USB-A, or 22.5W from the USB-A port, while USB-C1 delivers a steady 45W; if only one of the USB-C ports is in use, and nothing else, it gets 67W, more than enough for laptop use, etc.



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