{"product_id":"shimano-di2-bt-dn300-internal-mount-battery-3-port-for-electronic-shifting-systems","title":"Shimano Di2 BT-DN300 Internal Mount Battery 3-Port for Electronic Shifting Systems","description":"\u003cp\u003eThe Shimano Non-Series Di2 BT-DN300 internal mount battery is engineered to deliver exceptional performance and reliability for your Di2 electronic shifting system. Compact and lightweight, this 7.4V Li-Ion battery fits discreetly inside your seatpost or frame, ensuring a clean setup without compromising on power. Its robust construction and excellent sealing have been rigorously tested to withstand diverse riding conditions, from heavy rain and mud to rough cobblestone roads and extreme temperatures.\u003c\/p\u003e\n\n\u003cp\u003eWith a single charge offering an impressive 1000-kilometer range, the BT-DN300 supports efficient shifting over long distances, while its 500-cycle recharge life ensures durability for years to come. The battery integrates seamlessly with Shimano’s SD300 E-tube terminals, providing a secure and water-resistant connection. Charging is conveniently managed through the stem junction or handlebar display, making it simple to keep your system powered up.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding long-lasting power for Shimano Di2 electronic shifting systems\u003c\/li\u003e\n  \u003cli\u003eDelivering reliable performance in harsh weather and challenging terrain\u003c\/li\u003e\n  \u003cli\u003eMaintaining a lightweight, compact, and discreet installation inside the bike frame or seatpost\u003c\/li\u003e\n  \u003cli\u003eOffering easy charging through integrated system ports\u003c\/li\u003e\n  \u003cli\u003eEnsuring a secure, water-resistant connection with SD300 E-tube terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse outside Shimano Di2 electronic shifting systems\u003c\/li\u003e\n  \u003cli\u003eInstallation without compatible seatpost, frame, or fork hardware\u003c\/li\u003e\n  \u003cli\u003eCharging without stem junction or handlebar display support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last on a single charge?\u003c\/strong\u003e\u003cbr\u003eA single full charge provides approximately 1000 kilometers of riding range, depending on riding conditions and front derailleur operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the battery water-resistant?\u003c\/strong\u003e\u003cbr\u003eYes, the BT-DN300 features a water-resistant SD300 E-tube terminal connection, ensuring reliable performance even in wet conditions.\u003c\/p\u003e","brand":"Shimano Non-Series Di2","offers":[{"title":"Default Title","offer_id":45477671633071,"sku":"BTDN300","price":174.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1632477102-57136100.jpg?v=1768516200","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-di2-bt-dn300-internal-mount-battery-3-port-for-electronic-shifting-systems","provider":"Swinnerton Cycles","version":"1.0","type":"link"}