Shimano Di2 BT-DN110-A 11-Speed Internal Battery R9150 R8050 GRX XTR XT

The Shimano Di2 BT-DN110-A internal battery powers the electronic shifting on your road, MTB or GRX bike. It fits inside the seatpost or fork steerer tube, keeping it out of sight.

• Stays hidden inside the seatpost or fork and weighs just 50 g
• Charges in approximately 1,5 hours with a CA adapter
• You can also charge it from your computer's USB in approximately 3 hours
• Compatible with Di2 E-Tube: Dura-Ace 9000/9100, Ultegra 6800, GRX Di2, Deore XT Di2
• Not compatible with pre-E-Tube Di2. The SM-BCR2 charger is sold separately

Technical specifications

• Battery type: Lithium-ion, internal mounting
• Nominal voltage: 7.4 V
• Capacity: 500 mAh, 3.7 Wh
• Dimensions: Ø17 mm × 160 mm
• Weight: 50 g
• Ports: 1 × SD50
• Compatibility: Shimano E-Tube Di2 (road, MTB, GRX): Dura-Ace 9000/9100, Ultegra 6800, GRX Di2, Deore XT Di2; not compatible with pre-E-Tube Di2
• Charger: SM-BCR2 (sold separately), USB with at least 1A
• Charging time: approximately 1,5 hours with a CA adapter, approximately 3 hours from your computer's USB
• Colour: Grey

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.