On certain models the serial number will be proceeded by the letters “NO.” whereas on other models only a number will be displayed. Enter your Schwinn serial number in the box and click button to see what date and year your Schwinn bike was made. This will be displayed on the bottom of the battery grip. The serial number for your battery grip will consist only of numbers and will generally be 10 numbers long. On a sticker inlaid in the flash head printed in black numbers on a silver/grey background.The serial number can be found in the following locations depending on the age of the Speedlite On the bottom of the camera printed in black.The serial number for your PowerShot or IXUS camera will be generally be 12 digits long, however for some older models the serial number may be 9 or 10 digits long. On a white sticker on the box your camera came in.On the bottom of the camera printed in black, grey or white.It can be found in the following locations which are highlighted in the images below. The serial number for your EOS camera will generally be 12 digits long, however for some older models the serial number may be 6 or 10 digits long.