SRAM AXS Battery Base Charger - 4 PortsFor use with SRAM eTap and eTap AXS drivetrains. When you need a lot of AXS batteries charged in a hurry, the Four Battery Charger is the tool you want USB C interface for improved conductivity and broad compatibility 60 minute charge time for four batteries, faster for one or two Fast charging feature gets batteries to 75% extra quick Benchtop or wall mountable design Batteries sold separately 00. 3018. 359. 000