Different usb ports can vary in output, this means charge times will vary depending on the device used to chargethe usb charger will take longer to charge your exposure light than the mains chargerthere is no led on the usb charger to show when your light is charged but if you unplug it and turn the light on you will be able to tell by the colour of the led whether it is fully charged or not
Different usb ports can vary in output, this means charge times will vary depending on the device used to chargethe usb charger will take longer
