Respironics PAP Lithium Ion Battery Kit for DreamStation & System One CPAP Machines

the lithium-ion battery pack is an accessory for use with certain Philips Respironics sleep therapy and non-invasive ventilation devices it comes with a carrying case battery pack cable adapters and instructions for use to charge the pack you will also need the power supply that came with your therapy device before first use the pack will need to be fully charged which may take up to three hours plug one end of the power supply into an AC outlet and the other into the battery pack it will begin to charge automatically the LED display will light up momentarily to show the charge level to check the charge level press the push button on the LED display a blinking first light indicates a zero to twenty percent charge the second 21 to 40 percent the third 41 to 60 percent the fourth 61 to 80 percent and the fifth 81 to ninety-nine percent the battery pack is fully charged and ready for first