Add a real time clock to give your MS3's SD card logs a time / date stamp. This module solders to the MS3X board on the included pin headers.
Requires a lithium battery, not included due to shipping
restrictions. It's compatible with the following batteries: (BR1216, BR1220, BR1225, CR1216, CR1220, CR122)
For more information on Megasquirt products, see www.megasquirt.co.uk