The Shimano Di2 battery is a 7.4V, high performance Lithium-Ion battery designed to deliver reliable, long life even in the worst conditions. In conditions requiring consistent and frequent shifting, the battery is capable of 1000 kilometers of use.
Works with all Shimano Di2 systems
Li-Ion 7.4V technology
1000 miles/1600 km average range (mileage may vary depending on number of shifts)
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