- 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
- The use of a single small and discreet internal battery is light weight, efficient and creates a robust and reliable system
- One charge gives a 1000 kilometre range depending on conditions and front mech operation (as this is the main power drain)
- 500 times rechargeable life
- Battery is to be mounted with seatpost or frame/fork manufactures hardware normally inside the seatpost or seat tube/fork steerer
- Reliable and secure water resistant SD300 E-tube terminals connection
- Charging is done via stem junction or handlebar display
- Battery weight is 50 grams
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