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Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Seatpost, holder, and battery

DIGITAL PREVIEW
Not a Photo

Seatpost, holder, and battery
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Seatpost, holder, and battery
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Seatpost, holder, and battery

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Insert the battery until it is fully inserted by spreading the holder
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Insert the battery until it is fully inserted by spreading the holder

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Ensure the internal lip is engaged with the recessed lip of the battery
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Ensure the internal lip is engaged with the recessed lip of the battery

DIGITAL PREVIEW
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Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Insert the battery and holder into the seat post
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Insert the battery and holder into the seat post

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Compress the splines and push hard to get past this point
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Compress the splines and push hard to get past this point

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Once it is inserted this far, it will get tight
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Once it is inserted this far, it will get tight

DIGITAL PREVIEW
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Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Continue to press the assembly in until it is fully seated
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Continue to press the assembly in until it is fully seated

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed The holder lip should be flush with the bottom of the seat post
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed The holder lip should be flush with the bottom of the seat post

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed To remove the battery, grip the holder by the flat edges with pliers
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed To remove the battery, grip the holder by the flat edges with pliers

DIGITAL PREVIEW
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Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Pull the battery until it is about an inch out, then remove by hand
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed Pull the battery until it is about an inch out, then remove by hand

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed
Di2 Battery Holder For 25.4 Seat Post (20mm ID) 3d printed

DIGITAL PREVIEW
Not a Photo

Di2 Battery Holder For 25.4 Seat Post (20mm ID)

Made by
$22.95
3D printed in white nylon plastic with a matte finish and slight grainy feel.
QTY
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Product Description
This battery holder sleeve is for the Shimano Di2 internal SM-BTR2 or BT-DN110 battery. This battery fits inside the seat post but typically requires a seat post made specifically for Di2.  The holder sleeve allows the battery to be held securely within a non-Di2 specific 25.4mm seat post found on many Cannondale bikes from 2014 to current.  It will also fit other seat posts with the same inside diameter.

This model is for a 25.4 mm seat post with a 20 mm inside diameter.

IMPORTANT NOTE:  We make Di2 battery holders for 25.4mm seat posts with 19 mm, 19.5 mm, 20 mm, and 21 mm inside diameters.  If your measurement is close, pick the smaller size.  If the measurement is more than .5 mm from the available sizes, or an odd shape, contact us for a custom version.  There are also versions made for 27.2 mm seat posts with various inside diameters.

Installation Instructions:
To use this holder, simply spread the holder at the long seam while inserting the battery, with the battery connector end facing the thick lip.  Continue inserting the battery until the battery is fully inserted and touching the inside of the thick lip.  There is a smaller internal lip that holds the battery in place.  Ensure that the battery is locked into that lip, and not simply pressed up against it.  If the battery retracts easily from the holder, that means it isn't inserted fully and is not locked in.  After the holder is attached, insert the battery holder assembly into the seat post.  It will require moderate force to insert when you reach the splines.  Once the battery is inserted, it cannot be easily removed by hand.  Use a pair of pliers to grip the thick lip to pull the battery back out.  DO NOT pull the battery out by the battery connector!  Retraction is easiest by gripping the holder sideways, and twisting it out until it is out about an inch.  It can then be removed by hand.

See the YouTube video for a demonstration.

 
Details
What's in the box:
Di2 Battery Holder For 25.4 Seat Post (20mm ID)
Dimensions:
2.39 x 2.39 x 9.4 cm
Switch to inches
0.94 x 0.94 x 3.7 inches
Switch to cm
Success Rate:
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Rating:
Mature audiences only.
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