UpBright 21V AC Adapter for BACK2LIFE B2L # A48S2101000R GPU482101000WA00 MKA-482101000 GPU482101000WAOO Back 2 Life B 2 L BACKLIFE Back to Life BL Therapeutic Massager 21VAC 1000mA 1A Power Supply Input: 110V - 117V - 120VAC 60Hz or 220V - 230V - 240VAC 50Hz Suitable Input Voltage For Your Shipping Address. Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New 21V AC / AC Adapter Replacement For BACK2LIFE B2L MODEL: A48S2101000R GPU482101000WA00 MKA-482101000 GPU482101000WAOO BACK 2 LIFE B 2 L BACKLIFE BACK to LIFE BL Therapeutic Massager 21VAC 1000mA 21.0V 1.0A AC21V 1A Class 2 Transformer Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU