{"product_id":"shimano-di2-bt-dn300-battery","title":"Shimano Di2 BT-DN300 Battery","description":"\u003cp data-path-to-node=\"2\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"2\"\u003eThe Core of the Connection.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-253\" data-path-to-node=\"3\"\u003eThe BT-DN300 is a significant departure from previous generations. \u003cspan class=\"citation-463\"\u003eIt now serves as the central hub for the entire system, featuring three ports that utilize the thinner \u003c\/span\u003e\u003cb data-index-in-node=\"170\" data-path-to-node=\"3\"\u003e\u003cspan class=\"citation-463\"\u003eEW-SD300\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-463 citation-end-463\"\u003e wires.\u003csup data-turn-source-index=\"3\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e By housing the system's \"brains\" and power in one unit tucked safely inside your seatpost, Shimano has created a cleaner, more aerodynamic, and more resilient setup that is virtually impervious to the elements.\u003cbutton aria-label=\"View source details for citation from Shimano. Opens side panel.\" class=\"button ng-star-inserted\"\u003e\u003c\/button\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4\"\u003eWhy the BT-DN300 is a Build Necessity:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,0,0\"\u003eTriple-Port Versatility:\u003c\/b\u003e Features three SD300 ports, allowing for a direct connection to both the front and rear derailleurs. This \"wired\" connection to the derailleurs ensures maximum shifting speed and prevents signal interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-254\" data-path-to-node=\"5,1,0\"\u003e\u003cspan class=\"citation-462\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,1,0\"\u003e\u003cspan class=\"citation-462\"\u003eExceptional Battery Life:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-462\"\u003e Engineered to provide approximately \u003c\/span\u003e\u003cb data-index-in-node=\"62\" data-path-to-node=\"5,1,0\"\u003e\u003cspan class=\"citation-462\"\u003e1000km\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-462 citation-end-462\"\u003e of riding on a single charge.\u003csup data-turn-source-index=\"4\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e It’s a \"charge and forget\" component that lets you focus on the road for weeks at a time.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,2,0\"\u003eInternal Integration:\u003c\/b\u003e Designed to be hidden inside the seatpost or seat tube using a simple rubber grommet. This keeps the battery protected from road spray, vibration, and accidental impact while maintaining the bike's clean silhouette.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,3,0\"\u003eCentralized Charging:\u003c\/b\u003e In the new 12Speed ecosystem, you no longer remove the battery to charge. The BT-DN300 is charged directly through the port on the \u003cb data-index-in-node=\"154\" data-path-to-node=\"5,3,0\"\u003eRear Derailleur\u003c\/b\u003e, making maintenance effortless.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,4,0\"\u003eFirmware Intelligent:\u003c\/b\u003e Works in perfect sync with the \u003cb data-index-in-node=\"53\" data-path-to-node=\"5,4,0\"\u003eE-TUBE PROJECT\u003c\/b\u003e app, allowing you to check battery levels, customize shifting speeds, and update system firmware via Bluetooth from your smartphone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,5,0\"\u003eSafety First:\u003c\/b\u003e Built with multiple fail-safes to prevent overcharging and short-circuiting, ensuring your high-end electronics remain safe during the charging cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003eModel:\u003c\/b\u003e BT-DN300\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-255\" data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eChemistry:\u003c\/b\u003e\u003cspan class=\"citation-461 citation-end-461\"\u003e Lithium-Ion\u003csup data-turn-source-index=\"5\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-256\" data-path-to-node=\"7,2,0\"\u003e\u003cspan class=\"citation-460\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,2,0\"\u003e\u003cspan class=\"citation-460\"\u003eVoltage:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-460 citation-end-460\"\u003e 7.4V\u003csup data-turn-source-index=\"6\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-257\" data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eCapacity:\u003c\/b\u003e\u003cspan class=\"citation-459 citation-end-459\"\u003e 500mAh \/ 3.7Wh\u003csup data-turn-source-index=\"7\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_b518a8b99c061696-258\" data-path-to-node=\"7,4,0\"\u003e\u003cspan class=\"citation-458\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003e\u003cspan class=\"citation-458\"\u003ePorts:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-458 citation-end-458\"\u003e 3 x SD300 Type\u003csup data-turn-source-index=\"8\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,5,0\"\u003eMounting:\u003c\/b\u003e Internal (Seatpost\/Seat Tube)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,6,0\"\u003eCompatibility:\u003c\/b\u003e Shimano 12Speed Di2 (Road)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,7,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,7,0\"\u003eCharging Cable:\u003c\/b\u003e EW-EC300 (Sold separately)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"9,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0\"\u003eThe Alegro Perspective:\u003c\/b\u003e The BT-DN300 is the unsung hero of the 12Speed revolution. While everyone talks about the derailleurs, this battery is what makes that instantaneous shifting possible. In the shop, we love how the three-port design simplifies cable management near the bottom bracket. It’s a small, light, and incredibly reliable piece of tech that forms the foundation of the world’s best-shifting bikes.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eDigital Endurance. Internal Integration. Power your Performance with Shimano.\u003c\/b\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":48589063389407,"sku":null,"price":265.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/660337-01_1.jpg?v=1773496743","url":"https:\/\/alegrocycles.com\/products\/shimano-di2-bt-dn300-battery","provider":"Alegro Cycles","version":"1.0","type":"link"}