Shimano Di2 12-Speed Essential Power & Wiring Kit (BT-DN300 Battery + Charger + Cables)

Complete Di2 Electronics Add-On: Everything you need to power up and wire a 12-speed Shimano Di2 groupset. Complete your 12-speed electronic groupset installation with the Shimano Di2 Essential Power & Wiring Kit. This package contains all the crucial power and connectivity components required to link your rear derailleur, front derailleur, and central battery into a reliable, high-performance system. Designed for Shimano’s latest 12-speed Di2 semi-wireless platform, the core of this kit is the BT-DN300 internal battery, offering long-lasting power storage neatly tucked away inside your seatpost. The bundle features two EW-SD300 electric wires in the most common road bike frame lengths: 600mm wire: Routes directly from the central battery to the Front Derailleur. 1200mm wire: Routes from the central battery to the Rear Derailleur. When it’s time to top up, the included EW-EC300 magnetic charging cable plugs straight into the port on the rear derailleur, eliminating the need to dismantle or unseat any frame components. Whether you are building a new custom bike or pairing this kit with a core groupset bundle, this pack delivers a plug-and-play setup. What’s In The Box Part / Model SKU Item Description Quantity BT-DN300 IBTDN3003 Shimano Di2 Internal Battery (3-Port) 1 pc EW-EC300 IEWEC300A Shimano Di2 Magnetic Charging Cable (1.5m) 1 pc EW-SD300 (600mm) IEWSD300IL060 Shimano Di2 Electric Wire - 600mm (Internal Routing) 1 pc EW-SD300 (1200mm) IEWSD300IL120 Shimano Di2 Electric Wire - 1200mm (Internal Routing) 1 pc