The 3M™ Breathe Easy Battery Adapter Upgrade Kit provides a ready to use kit including everything needed to adapt a First Responder 3M™ Breathe Easy Powered Air Purifying Respirator (PAPR) to use of the 3M™ Versaflo™ Standard Battery TR 630. The easy to use kit includes a battery adapter (TR 659), battery (TR 630), charger (TR 641N) and easy clean holster (TR 657). Simply attach the 3M™ Easy Clean Holster to an approved belt and plug the 3M™ Breathe Easy Powered Air Purifying Respirator into the battery adapter and you are ready to go.