Reporting longer life spans than batteries, the DC Series coin-cell supercapacitors are available in capacities from 0.15F to 8F at voltages up to 5.5 WVdc. As per the company, this is as much as five times the capacitance of some other coin-type supercapacitors or ultracapacitors. Available in three case configurations for horizontal, vertical, and center-lead mounting, the series includes case sizes as small as 6.8 mm x 4.6 mm. Operating temperature ranges from -40°C to +85°C. Prices start at $0.55 each/1,000. Illinois Capacitor Inc., Lincolnwood, IL. (847) 675-1760.