Originally Posted by
perrymk
Thanks for the comments. I'll address a few.
-I can't really use the phone as I would on the trail as I need a phone now. Maybe for a day hiking I could, but not 10 days. Extrapolating is where I come up with wanting 4-5 re-charges.
-From reading descriptions of power banks, it seem there is recent technology (USB-C, some others) that charges noticeable faster, even half the time.
-I like the idea of having two power banks, in case one fails. Also can take only one (less weight) for shorter trips.
I'm leaning more towards the Nitecore as it is water resistant and so light. It's pricey but as I sometimes say about price: buy once, cry once.