CDM CVK-70 Billcon Heavy duty Coin Counter, Coin Counters. The Billcon CVK-70 - Super compact, light weight and portable. The smallest motor driven coin counter available today. Weighs only 18.5lb, yet it's counting capability is almost as fast as regular models on the market. With compact dimensions, about the same size as this brochure, and the optional carrying handle, the CVK-70 is portable and easy to store.