{"product_id":"shimano-bt-dn300-di2-battery","title":"Shimano BT-DN300 Di2 Battery","description":"\u003cp\u003eShimano's built-in Di2 battery for 12-speed Dura-Ace R9250 and Ultegra R8150 systems. A long-life 7.4V Li-Ion battery, compact and reliable, giving around 1000km range per charge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3x SD300 E-tube ports for simplified front\/rear derailleur wiring, plus a spare for a fully wired setup\u003c\/li\u003e\n\u003cli\u003eFits inside seatpost or frame\/fork steerer for a clean, discreet install\u003c\/li\u003e\n\u003cli\u003eCharges via the rear derailleur or a stem junction\/handlebar display\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 52g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Madison","offers":[{"title":"Default Title","offer_id":57398983033207,"sku":"SHI-BTDN300","price":174.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/0799\/3635\/files\/s-l1600_53ecb8e4-7bfe-403c-83ff-19f8b803bd5d.jpg?v=1787237444","url":"https:\/\/veloedge.co.uk\/products\/shimano-bt-dn300-di2-battery","provider":"Velo Edge","version":"1.0","type":"link"}