{"product_id":"shimano-di2-bt-dn300-battery-built-in-type","title":"Shimano Di2 BT-DN300 Battery Built-In Type","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano Di2 BT-DN300 Battery Built-In Type\u003c\/strong\u003e keeps your electronic drivetrain's power source tucked inside the frame — out of sight, protected from the elements, and completely out of the way. It mounts internally within compatible frame tubing, integrating with the Di2 e-tube port system so your build stays clean without any compromise to function.\u003c\/p\u003e\n\n\u003cp\u003eCharging is handled in-frame through the e-tube port, meaning there's no need to remove the battery between rides. Once installed, it works quietly in the background — powering your Di2 components through every shift without drawing attention to itself.\u003c\/p\u003e\n\n\u003ch3\u003eShimano Di2 BT-DN300 Battery Built-In Type Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Shimano Di2 electronic groupset systems\u003c\/li\u003e\n  \u003cli\u003eInstallation type: Built-in \/ internal frame mounting\u003c\/li\u003e\n  \u003cli\u003eConnection: Standard Shimano e-tube port\u003c\/li\u003e\n  \u003cli\u003eCharging: In-frame via e-tube port — no removal required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":43711418531884,"sku":"IBTDN3002","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/shimano-di2-bt-dn300-battery-built-in-type-8391639.jpg?v=1771297996","url":"https:\/\/ricycles.com\/products\/shimano-di2-bt-dn300-battery-built-in-type","provider":"RA Cycles","version":"1.0","type":"link"}