The 3M™ Versaflo™ Battery Charger Kit TR-644N is a complete, 4-station battery charger for 3M™ Versaflo™ Powered Air Purifying Respirators TR-600 and TR-800 Series. It consists of a 3M™ Versaflo™ Power Supply TR-944 and four 3M™ Versaflo™ Cradles TR-640.
3M™ Versaflo™ Battery Charger Kit, TR-644N is a complete 4 station battery charger for 3M™ Powered Air Purifying Respirator Systems, TR-600 Series. It consists of a 3M™ Power Supply TR-944, and four 3M™ Versaflo™ Battery Charger Cradle, TR-640. The 3M™ Battery Charger, TR-644N will charge a 3M™ Versaflo™ Standard Capacity Battery, TR-630 or 3M™ Versaflo™ High Capacity Battery, TR-632 in less than 4 hours. The 3M™ Charger, TR-644N can charge up to 4 batteries at the same time.