🔋 Power Up Your Peace of Mind! 30-day refund and 24-month exchange guarantee. Tested units ensure great working condition. Compatible with 100-240VAC for global use. Works seamlessly with Puritan Bennett GoodKnight series. Equipped with OVP, OCP, and SCP for safety. 13.5V Power Global Compatibility 1.5A Output The UpBright 13.5V AC/DC Adapter is a reliable power supply designed for Puritan Bennett GoodKnight CPAP and BiPAP machines. With a global input voltage range and robust safety features, this adapter ensures safe and efficient operation, backed by a solid warranty.