New in retail box for use to charge the SM-BTR2 and BT-DN110 lithium ion internal battery. It will charge to full in 1.5 hours without the need to remove your battery. As an added feature, it can be used to update Di2 component firmware and change system functions via a Windows PC. Please note that this charger will not work for external Di2 batteries. For Bike Type Road Bike - Racing Brand Shimano MPN ISMBCR2 Type Bicycle UPC 689228725621 EAN Does not apply Part Type Bicycle part .
