"The USB-U Charger takes the power from three AA batteries (though it can run for a shorter amount of time on two) and converts it to 5V — USB Spec — by using a DC/DC Step-Up converter, the ...

Well, the answer is kinda Yes. All non-completely-defective USB chargers will supply 5v power to the power pins on the USB connector, so there's no danger in cooking anything on the phone.

Itspecially targets fashionable and business people or traveler groups. 90W slimfeatures as slim and light design technology and three other multi-functions:adjustable voltage function, 5V USB charger ...

Changing it to the genuine Samsung fast charger – 5V, 2A and the fast charge circuit of 9V, 1.67A fixed the issue and her phone was fully charged in a few hours (about 75 minutes for 100% in ...

HOME OFFICE AND TRAVEL USB CHARGER: One USB charging station for multiple devices in your home, small and compact for portability, 4.65 ft power cable can make the charge reach further, 110V to ...