0 of 2 people found the following review helpful
I need to try this over time.,
Verified Purchase(What is this?)
This review is from: PortaPow Solar USB Battery Pack for Smartphones, GoPro, SatNavs, Other Portable Electronics (Accessory)
Initially charged from the mains. It has recharged the Samsung S4 three times so far. I will be putting it to the test later next month. All seems good.