SRAM AXS Battery Base Charger 4-Ports (Including USB-C Cord)Keep Those Batteries Charged! Electronic drivetrains are excellent! You know what isn't excellent though? Dead batteries. Nothing is worse than going out for your ride and your shifter stops working partway through. When you need a lot of AXS batteries charged in a hurry, the Four Battery Charger is the tool you want. This USB-C powered charger will fill four batteries as fast as a single charger, with charge time even faster if only one or two batteries are being charged. The fast charging feature gets the batteries to 75% extra quickly, so if you're rushing out the door, we have you covered. Features USB-C interface for improved conductivity and broad compatibility60-minute charge time for four batteries and faster for one or two LED lights indicate charge status and power draw SRAM part number: 00. 3018. 359. 000 | Sram | Axs Battery Base Charger 4-Ports (Including Usb-C Cord) 4-Ports