Joined: Jan 2009
Posts: 44,240
Likes: 6,495
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
A few months ago, I got a reconditioned iphone 12. It's in such good condition that I can't tell it's been used, and even the battery is strong. Anyway, it gives me the impression that the GPS receiver is not a power hog. I haven't done any measurements, though.