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How long your Cobra power inverter will operate your connected AC load is dependent on the following: Battery charge capacity, power rating of the connected AC load, and power inverter efficiency. Check your CPAP specifications for the maximum power consumption under typical operating conditions. Your power inverter peak efficiency is 90%. All that's left if the required battery charge capacity of the battery to keep your device running for 8 hours. There are many useful websites that can help to figure out the battery requirements. Take the information you have on hand and visit: https://portablementor.com/what-will-an-inverter-run/
Sorry, there was a problem. Please try again later.It would depend on the battery you decided to carry with you. It comes with cables to connect to either a battery or to the car adapter port. Since car batteries come with various amounts of juice they can hold it would depend on the battery.
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