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Quick Answer The ResMed AirSense 11 needs a 65W power supply. Output: 24V DC at 2.71A. Input: 100-240V AC. The genuine ResMed cord (part 39205) is the gold standard. The HKY AirSense 11 Power Supply is the safest pick. UL certified. 5-year warranty. Avoid cheap no-name adapters without UL marks. Those can fry your CPAP….
Quick Answer A medical device power supply must match four specs. Voltage. Amperage. Polarity. Waveform. Use the OEM adapter when possible. Replace it from the manufacturer’s parts site. For backup, use pure sine wave power only. Skip cheap adapters and modified sine wave inverters. Both fry medical gear in seconds. A reader’s BiPAP adapter died…
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