TheTR-640 Battery Charger Cradle is a replacement part for the TR-641 and TR-644 battery charger kits. It provides an easy-to-use interface between all TR-600 Series batteries and all TR-900 Series power supplies.Ensure your 3M™ Powered Air Respirator is ready to use with Battery Chargers for 3M™ Powered Air Respirators. Our chargers feature a visual lamp to indicate charging status and are availlable in single or multiple stations.
