How to Connect Maxoak K5 -CPAP battery with ResMed S9

Amazon US: https://amzn.to/2nGxTZ0 Maxoak K5, the longest lasting cpap power bank-highest capacity 297wh, power your 12v or 24v cpap or bipap machine, compatible with cpap/bipap machine such as Philips respironics, Resmed, HDM Z1 and other 12v or 24v compatible cpap/bipap machine,provide convenient backup during power outages. TRAVEL/CAMPING COHMPANION: it featured with three dc outputs 12v 5a /15v 4a/24v 4a which designed for devices such as cpap/bipap machine((*use dc-dc converter from your cpap will get longer hours), camera , led light bulb/ led strip light, fans,laptops and and one standard fast charging 5v2.5a usb port is designed for any 5v usb powered device like smartphone, tablet and more. provide convenient backup during power outages and when power is not available. PORTABLE&LIGHTWEIGHT: Net weight about 4lb,size l8.7inch*w2.5inch*h7.9inch.possibly the smallest size for such high capacty on the market. Easy to carry with the ergonomic handle.Good used for an emergency , camping and traveling.