When choosing a CPAP machine for car camping, consider a portable CPAP machine or a battery-powered CPAP machine. Both types of machines are designed for travel and are ideal for camping off the grid.

If you need to power your CPAP off the grid, such as when camping, the optional (and at $350 somewhat pricey) Transcend Micro PowerAway Battery is designed specifically for use with this model.

You can probably get one with a 24V DC socket and use the "car adapter" sold for your CPAP. DIYing your own off a Lead Acid battery just doesn't make sense.

PITTSBURGH -- A field test of battery-powered CPAP devices to combat sleep apnea among drivers is now underway with the help of three suppliers and a major truckload fleet, according to a report ...