Using the software program from the Shimano site this is the only means of checking, updating and setting up the software choices for Di2. So not only does it allow you to charge the internal battery, it is absolutely necessary for these reasons.
Verified purchase: Yes | Condition: New
It is a nice way to have it as every time Shimano always updating the system for my di2 works well without problems.
Verified purchase: Yes | Condition: New
Whammy, my batt is charged... But for the amount it costed me, I feel like it should have arrived with a sympathy card! C'mon, it's a glorified phone charger! That price is ridiculous.
Verified purchase: Yes | Condition: New
Nice product. Essential to anyone having a Di2 groupset.
Verified purchase: Yes | Condition: Pre-owned
Works like it should.
Verified purchase: Yes | Condition: Pre-owned
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