The UCC-TEC (Ultra Capacitor Charger) is a charging device which mainly was designed to charge ultracapacitor modules. The latest version can also charge batteries. Different connection types for the modules are possible: up to five modules with a maximum total voltage of 450 V. The unit can be built in systems, in which big mechanic stress and temperature variations occur. Because it is part of the safety concept of the systems, it includes additional safety systems and diagnostic possibilities. With the PC Software paraTEC-UCC it is possible to parameterize the charger and to switch over between the two charging operations. Additionally the operation of the chargers can be monitored with the software.