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Shimano Di2 BT-DN110 Internal Battery

Item #: EL196E01
USD$119.99 SAVE 25% USD$160.00 msrp
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Shimano Di2 BT-DN110 Internal Battery

Shimano BT-DN110 Battery

Shimano’s new BT-DN110 battery is the internal battery for their next-gen Di2 systems. This updated model has been optimized for the new smart display systems with wireless bluetooth setup, and has a longer charge life. It features the same size body as the previous generation though, making it compatible the older system. See Shimano’s compatibility chart for full details on models the battery is compatible with.

Features

  • Compatible charger: SM-BCR2
  • Weight: 50g
  • Required for use with wireless Bluetooth setup
4.7 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
6
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1
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Unlock Syncroshift!
Installed this battery into an older Ultegra 6870 system - updated the firmware and woot! Syncro shift is enabled! Note, you don't need the new wireless modules to setup/use the syncro feature so long as you have the PC connection box. Wireless module just lets you do things over bluetooth.
Fast shipping from Jenson, arrived a few days early - everything is good!
April 5, 2017
Purchased
7 months ago
Location:
Ontario, Canada
Needed for Di2 synchronized shifting with Ultegra
The updated Shimano Di2 battery is required for synchronized shifting with Ultegra groupset. Very easy to change on your bike. This was perfect for my wife's bike as she is reasonable new to road cycling and synchronized shifting makes riding better for her.
July 22, 2017
Purchased
3 months ago
Location:
Raleigh, NC
Di2 Internal Battery
As usual Jenson is the best store, great price, service impeccable, costumer service and returns are great, small items selection is always excellent, thanks
July 3, 2017
Purchased
3 months ago
Location:
Brooklyn, NY 11222
Impressive customer service!
The original product went on back order. Once I switched products to the battery I purchased, the product came promptly.
September 18, 2016
Location:
New Jersey
Wireless bound!
Highly recommend. Nothing wrong with current shimano battery but needed this for wireless capability. Worked like a charm. Very pleased!
July 15, 2017
Purchased
3 months ago
Location:
El Paso, TX
Next Evolution
Shimano Ultegra Di2 was installed on my wife's new Giant Propel SL ISP. The bike was purchased NOS and the equipment needed firmware updates immediately. After downloading and installing the Shimano E_Tube Project I learned that the synchro-shift update was available and would install but would not function with the battery upgrade. Upon receiving the battery and installing it the synchro-shift full functionality came online. So impressive is this groupset I ordered one for my bike!
If you have Di2 but haven't updated it this a worthwhile improvement!
July 11, 2017
Purchased
3 months ago
Location:
Oklahoma City, OK. USA
it is what it is....
This battery is required for my set up in order to make use of the D-fly unit which enables wireless tuning of the drivetrain. Not needed but I like using the synchro -shift and most of the bike shops in my area are total crap so even if they initially set up my gearing I'd like the option to dial it in myself.
May 19, 2017
Purchased
5 months ago
Location:
Nebraska.

Q & A

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Browse 6 questions Browse 6 questions and 15 answers
Does the battery comes with hardwarer to install? (C-Clip etc)
Vitaliy U on Feb 17, 2017
BEST ANSWER: Yes! The Battery comes with an installation kit, but it is for a specific type of seat post. I took my seat post to my local hardware store, and found the pieces I needed to mount my Battery in seat post. I got an O-ring to go around the groove at bottom and top of Battery, just big enough to slide battery in but not tight. this keeps it from moving around from side to side. The I got a flat rubber grommet from the toilet parts section, to go around the top, for cushion, then a flat washer, then an internal C-clip to fit inside seat post. I hope this helped you. Also the wires, get them a little longer than recommended so you can remove the seat post easier if you have too. Thanks for asking. Have a Good Day.
can this be mounted in a fork tube?
Matt B on Aug 10, 2017
BEST ANSWER: Yeah, that's what I did with mine. Since I only have one derailleur, I just plugged everything directly into the system information display, and that way I only had to run one wire straight back to the RD. This simplified configuration is different from the example configurations provided by Shimano, but it seems to work just fine.

IF you need more than three ports (and you would if you have two derailleurs), you'll need a B junction in there somewhere, but they are very small and can be plugged in anywhere that is convenient. If you're really pressed for space, Y Split wires might work if you can find any that are long enough.
Will this work in a Pivot Mach 5.5?
A shopper on Jul 15, 2017
BEST ANSWER: yes, this will fit. No matter what bike you use it on, it fits inside the seat post, so you won't be able to use a dropper post, has to be a hollow post.
This is battery for XTR M9050 shifters and RD?
David W on May 25, 2017
BEST ANSWER: Yes.
Do you need to re-program / have a mechanic set up the gearing i.e. 11 speed / compact or triple chainring when swapping out this battery since there is a computer in it? Or are the adjustments in the motors all mechanical and are adjusted the old fashioned way?
jamie. on May 3, 2017
BEST ANSWER: The initial setup of a Di2 system should include a firmware update, which will ensure all the components of the system will talk to each other properly. The update is possible with the SM-BCR2 battery charger connected to a computer running Shimano's E-tube project software. You can also use the PCE-1 PC connection tool. Using the PC interface, you can program how the drivetrain behaves as well as tune the derailleur. Once the initial tuning is complete, the system is basically set and forget and rarely needs adjustments. You can also adjust the trimming and setting of the derailleur on the fly during a ride as needed. The only mechanical adjustments to the derailleurs are the high and low limit screws. If you have additional questions feel free to contact us or Shimano technical support.
dimensions?
A shopper on Feb 5, 2017
BEST ANSWER: I do not have the dimensions for the BT-DN110 battery because I did not measure it before I installed it. I do however have the dimensions of the SM-BTR2 battery that it replaced. The BT-DN110 appeared similar in size to the SM-BTR2 battery that is 16.6mm (21/32”) in diameter and 153mm (6”) long. Hope this helps.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.