SHIMANO's cylindrical battery can be mounted in various positions internally on road and mountain bikes.

The power house of Shimano Di2 is a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you

Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads

Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever)

The use of a single small and discreet internal battery is light weight, efficient and creates a robust and reliable system

One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain)

500 times rechargeable life

Internal chip enables system wireless functionality of Bluetooth components

Battery is to be mounted with seat post or frame/fork manufactures hardware normally inside the seat post or seat tube/fork steerer

Reliable and secure water resistant E-tube terminals connection

Charging is done via stem junction or handlebar display

• Battery weight is 50 grams
• Product Type Batteries
• Discipline Gravel & Cyclocross
• Discipline Road
• Colour Black
• Size One size
• Di2 Yes