SRAM ETAP BATTERY CHARGER AND CORDTOOL FREE BATTERY CHARGERe Tap is the latest and greatest drivetrain from SRAM. The wireless system has two rechargeable batteries, one on the front derailleur and one on the rear derailleur. Both of these batteries easily snap into the charger for quick charging. With USB compatibility, the charger can be connected to any USB power source or A/C USB adaptor. A battery only takes up to 60 minutes to fully charge so you'll be back on the road in no time. Features Quick charging with up to 60 minutes for a full charge USB compatible so you can plug it into any USB power source Easy to use by just snapping the battery into the charger Compatibility: SRAM Red e Tap Finish: Black | Sram | Axs Etap Battery Charger And Cord Charger And Cord, No Battery