UPBRIGHT AC Adapter Compatible with AirSep Model No REF BT025-1 Air Sep Power Cartridge 17.4VDC 3A 17.4V DC Battery Charger (for BT024-1 15VDC 6.4Ah Batt Pack) 60W PW028-1 PW0281 Power Supply Cord
Amazon.com: 4x1.5v C Size UM2 R14P Carbon Zinc Chloride Battery Duration 280 min : Health & Household