Super Capacitor (Stacked Coin Type) Available in 2.7V and 5.5VDC and Capacitance from 0.15~8.0F Model Number ... Series Double Layer Cap.Small sized, lightweight and maintenance freeHigh capacitance and low resistance for long cycle life applicationsWider ... handheld scanner, telephone, car stereo, computer, toy, LED display, relay, electric buzzer, e-meter, computer, notebook, home network, rice ...