I have a 120vac CPAP machine which is 15 years old. It draws 2A for the blower and 2A for the water heater. I do not have an inverter in my new Lance 1040. What make and model of CPAP machine op...
There are several online retailers that sell dozens of brands and models. Many of them offer either a self contained battery or dual voltage capabilities. Google search CPAP machines and youll be surprised at the variety.