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🔋 Power your ride with the battery pros trust — light, reliable, unstoppable.
The SHIMANO BT-DN300 is a compact, 59g lithium-ion battery designed exclusively for the latest 12-speed Dura-Ace and Ultegra Di2 wireless shifting systems. It offers enhanced charge capacity and extended runtime for all-season cycling, featuring upgraded wiring for superior reliability and seamless integration into your bike’s seat tube. Backed by a 1-year warranty, it’s the essential power source for high-performance road, gravel, and cyclocross bikes.
| ASIN | B0B1KP6CCT |
| Antenna Location | Bicycle |
| Battery Capacity | 500 milliamp_hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 3.2 ounces |
| Best Sellers Rank | #307,753 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #887 in Adult Electric Bicycles |
| Brand | SHIMANO |
| Customer Reviews | 4.8 4.8 out of 5 stars (34) |
| Included Components | Shifter Battery |
| Item Dimensions | 10 x 6 x 2 inches |
| Item Weight | 3.2 ounces |
| Manufacturer | Shimano |
| Model Name | Di2 Battery |
| Model Number | Shimano |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 192790894720 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | Limited Warranty |
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