What is a super capacitor, super capacitor battery, high capacity capacitor - tatanh1983/conchodom GitHub Wiki
KR Series 5.5 V 0.33 F Ø 11.5 x 12.5 mm Radial Coin Cell Super Capacitor
https://www.futureelectronics.com/p/passives--capacitors--super-caps/kr-5r5v334-r-eaton-2481943