I gave up the Waze app for GPS as it drained my iphone battery to quickly. I switched over to the default maps app on the iphone 7.
I always wondered why there isn't there a charging standard for phone mounts/cradles just like the old cordless phones where placing it in the cradle made two metallic leads connect the charging circuit.
https://thewirecutter.com/reviews/best-qi-wireless-car-phone...