Get USB power from AA Batteries with the TRAVEL LOG EMERGENCY CHARGER, charges USB enabled devices

Buy a BATTERY TO USB CONVERTER: https://amzn.to/3UwspQE
A powerbank is nice but will eventually need an electrical outlet to charge it. Should you not have that available, you could get electricity to charge your USB enabled devices by using 4 AA batteries and this little gizmo called TRAVEL LOG EMERGENCY CHARGER. How long it's going to take to charge a phone or tablet I don't know, because no specs about amps or speed are provided, or how long the batteries will last. But, it seems handy to be able to convert battery power to USB power.