How long will the batteries last on the 24V-X2-SB18 and what is the recharge time? The included 24-Volt 4.0Ah batteries deliver up to 35 minutes of runtime on a single charge. With the included quick charge docking station, the recharge time for the included batteries is just under 2 hours. Related articles What power supply is needed to power the 24V-X2-SB18 24VBAT-XR8 and 24VBAT-XR12 Charger Compatibility Snow Joe® Electric Snow Thrower Won’t Start or Stops During Use Motor and Internal Parts Replacement General Troubleshooting for Battery and Charger