BaseCharge 600 From The Wall: 7 hrs
From Wall + USB-C PD: 3.5 hrs
From Solar: 6hrs (SP100* In ideal conditions, see video on solar charging)
BaseCharge 1500
From The Wall:13.5 hrs
From Wall + USB-C PD:8 hrs
From Solar: 4 hrs (4XSP100* in ideal conditions, see video)