ResMed's S9 Series CPAP and BiLevel machines use an external power supply with AC Power Cord. There are two versions of the power supply: a 90-Watt version which is supplied as standard with the system, and a 30-Watt version available as an optional accessory. Both power supplies are designed for universal inputs of 100-240V, 50-60Hz and can be used in most countries around the world.
This S9 90-Watt Power Supply measures approximately 6.5 x 2.5 x 1.5 inches and weighs approximately 1.25lbs. It is designed to power both the S9 CPAP/VPAP and an H5i Heated Humidifier. It can also be used to recharge ResMed Power Station II Batteries.
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