Campagnolo EPS V4 Power Unit

The EPS Power Unit is the systems source of power as well as the "brain" of the system, responsible for managing the battery pack, enabling and monitoring the front and rear derailleurs and communicating with the Interface Unit.

Weathertight, o-ring sealed connectors
Compatible only with Campagnolo 12 speed wired drivetrains
Lithium Ion battery duration: 500km/month - 1500km, 1000km/month - 1800km, 2000km/month - 2000km
Water proof to 1m for 30 minutes (IP67 Rated)
Operational temperature: -4F to 140F
Charging temperature: 32F to 113F
The V4 power unit features 10% better battery duration
Recommended to charge this as soon as you get it, and minimum of every 6 months afterwards.