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Shimano BT-DN300 Di2 internal mount battery, 3-port

£110.00  £174.99
In Stock
One size
Part Number:

BTDN300

GTIN:

4550170894740

  • The power house of Shimano Di2 is a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you
  • Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads
  • The use of a single small and discreet internal battery is light weight, efficient and creates a robust and reliable system
  • One charge gives a 1000 kilometre range depending on conditions and front mech operation (as this is the main power drain)
  • 500 times rechargeable life
  • Battery is to be mounted with seatpost or frame/fork manufactures hardware normally inside the seatpost or seat tube/fork steerer
  • Reliable and secure water resistant SD300 E-tube terminals connection
  • Charging is done via stem junction or handlebar display
  • Battery weight is 50 grams

Why Shop With ONIT Sports?

At ONIT Sports, we aren't just a retailer; we’re a hub for the South Wales cycling and triathlon community. As a leading independent cycle specialist in South Wales, we know that the right bike isn't just about the specs - it’s about how it feels on the road, the trail, or in a TT. Whether you’re visiting us in-store or browsing online, you’re getting advice from people who live and breathe life on two wheels.

Expert Build & Safety Check

Every bike that leaves our hands is professionally assembled and safety-checked by our fully trained technicians. We don’t just "box" bikes; we prepare them so that they arrive at your door, set-up and ready for the first mile.

Premium Delivery & Setup

We offer fast, secure UK shipping on all bikes. For that extra touch of care, we also provide a FREE bike fit on bikes collected in store - ensuring your new pride and joy is setup for you, ready for your first ride.

Flexible Finance with Novuna & PayPal

We believe top-tier performance should be accessible. We offer a range of flexible finance solutions through Novuna Personal Finance, as well as PayPal options, allowing you to spread the cost with a plan that suits your budget

Cycle to Work Specialists

Looking to save on your next ride? We proudly accept a wide range of Cycle Scheme vouchers, helping you make the most of tax-free cycling benefits with zero hassle.

Start your cycling journey with On It Sports, and hit the road with the total confidence that only expert-level support can provide.

Colours Black
Sizes One size
Brand Shimano
Model Year 2026
Barcodes 4550170894740
SKUs / Part Numbers BTDN300

Please note: Manufacturers can sometimes change the specification of the products from time to time.