Campagnolo Super Record WRL Batteries. The Campagnolo Super Record WRL Batteries power Campagnolo Super Record WRL 13-speed groupsets. You can also use these batteries with previous Super Record WRL 12-speed groupsets. Each battery snaps securely onto the front or rear derailleur for quick installation and removal. A built-in LED lets you check battery status at a glance, while the MyCampy app or compatible bike computer provides more detailed battery information. Each battery delivers over 750 kilometers of riding per charge and reaches a full charge in less than 60 minutes. Each battery is specific to the derailleur and cannot be interchanged. These batteries are compatible with both the Campagnolo Super Record WRL 12-Speed and the Super Record WRL 13-Speed groupsets. Each battery is specific to the front or rear derailleur and cannot be interchanged. Battery Life: Over 750 kilometers. Charge time: 60 minutes or less. Expert advice and customer service in case you need any help. At Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service. We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.