Campagnolo EPS V2 Super Record/Record Power Unit; - The new EPS V2 Power Unit gives the cyclist the possibility to use the most advanced groupset while maintaining sleekest look to his or her ride. - The EPS Power Unit is much more than just a battery. Its housing contains all the electronics of the EPS drivetrain, the system memory input/output gates and the battery charger plug. - This design choice benefits both the reliability and the performance of the system, which is also upgradeable. - Specially developed internal casing designed to absorb road vibrations and impact: for maximum protection of the battery and electronic components on even the worst road surfaces. - Casing with ultrasonically welded seams: makes the system 100% waterproof - Input/output gates: for charging the battery and, when necessary, diagnosing the system and updating the firmware and Eeprom. - DTI - DIGITAL TECH INTELLIGENCE: the digital brain of the EPS drivetrain. DTI monitors and checks the battery, transmits and receives signals to and from the interface and controls and monitors the functions of the rear and front derailleur. - The unit also checks for system faults, warning the user when necessary via an RGB LED and a buzzer.