1.0F EECS5R5V105 Panasonic - Super Capacitor 5.5V (19 mm) - AD37593

Description:

Yes, you read that correctly: a 1.0 Farad capacitor. This tiny capacitor can be charged and then slowly dissipated by running a full system for hours. Combine two in series for 1F at 11V. These capacitors will not overvolt or reverse bias.

Data sheet