Versaflo™ Battery Charger Kit TR-641N is a complete single station battery charger for TR-600 Series PAPRs. It consists of a TR-640 Cradle and a TR-941 Power Supply. The TR-641N battery charger will charge a Versaflo™ Standard Capacity Battery TR-630 or Versaflo™ High Capacity Battery TR-632 in less than 4 hours. The TR-641N charger will charge one battery at a time. Batteries may be stored on the charger, fully charged, ready for immediate use.