The RBE-600 Upgrade Kit is an adapter kit that allows use of the TR-630 battery with First Responder Breathe Easy™ PAPR systems. The 3M™ Breathe Easy ™ Battery Adapter Upgrade Kit RBE 600 provides a ready to use kit including everything needed to adapt a First Responder 3M™ Breathe Easy™ Powered Air Purifying Respirator 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 Easy Clean Holster to an approved belt and plug the Breathe Easy™ powered air purifying respirator into the battery adapter and you are ready to go.