Keep your external Di2 battery organized and ready for the next ride with a compact USB charging dock designed for the SM-BTR1 battery format.
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SM-BTR1 compatibility: Designed for the external SM-BTR1 Di2 battery used with compatible 7970 and 6770 electronic shifting systems.
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Simple drop-in charging: The upright cradle helps align the battery with two spring contacts.
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Visible LED status: A front-mounted indicator makes charging status easy to check at a glance.
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3D-printed housing: Fine layer lines and minor surface variations are normal characteristics of the manufacturing process.
Please verify the model number on your battery before ordering. Not compatible with internal Di2 battery models.
This is an independently produced compatible accessory.