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Shimano BT-DN320 Di2 Battery – Internal 310mAh Wireless Battery for XTR & XT Di2 Rear Derailleurs
Shimano BT-DN320 Di2 Battery – Internal 310mAh Wireless Battery for XTR & XT Di2 Rear Derailleurs
Shimano Non-Series

Shimano BT-DN320 XTR/XT Di2 Wireless Rear Derailleur Battery

£39.99
Pre-Order

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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano BT-DN320 XTR/XT Di2 Wireless Rear Derailleur Battery

Brand:Shimano Non-Series

Code:BTDN320

Shimano BT-DN320 Di2 Battery – Internal 310mAh Wireless Battery for XTR & XT Di2 Rear Derailleurs


The Shimano BT-DN320 Di2 Internal Battery is the power source behind Shimano’s next-generation wireless electronic shifting systems. Engineered for XTR and XT Di2 12-speed drivetrains, this compact 310mAh lithium-ion battery delivers reliable, long-lasting performance for mountain biking, gravel, and trail riding in all weather conditions.

Designed to integrate seamlessly into your bike frame, the BT-DN320 battery powers your wireless Di2 rear derailleur with incredible efficiency and durability, offering an impressive range of up to 340km on a single charge.

  • Shimano Di2 Wireless Battery for XTR/XT 12-Speed Groupsets
  • 310mAh High-Capacity Lithium-Ion Cell – Long life, fast charging, and energy-efficient
  • Integrated Internal Mount Design – Compact and lightweight for clean frame integration
  • Up to 340km Range Per Charge – Power-saving system optimises energy use
  • Highly Sealed for All-Weather Durability – Proven performance in mud, rain, and extreme temperatures
  • Compatible with EC-DN100 Charger – Quick and easy recharging

Ideal For:

  • Riders upgrading to Shimano Di2 12-speed electronic shifting
  • Mountain bikers and gravel riders seeking reliable wireless drivetrain power
  • Cyclists looking for lightweight, compact, and maintenance-free electronic shifting systems
  • Those who want clean aesthetics and long battery life on their trail or XC bike

Power your precision shifting with the Shimano BT-DN320 Di2 Battery, built for high-performance, wireless, 12-speed XTR and XT groupsets.

Technical Information
  • Battery Type:
    Lithium-Ion (310mAh capacity)
  • System Compatibility:
    Shimano Di2 12-speed XTR and XT wireless groupsets
  • Mounting Style:
    Internal (stealth frame integration)
  • Charging Interface:
    EC-DN100 (sold separately)
  • Weight:
    Lightweight for optimal bike balance
  • Weather Resistance:
    Fully sealed for off-road and harsh condition use
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.
Sizing Information
Professional Opinion
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