#Power converter vs inverter pro#
If a user still likes the idea of an inverter for the sake of convenience, or perhaps is currently using a CPAP model new to market that does not have a DC power cord available yet, EXP PRO does offer a high-quality Pure Sine Wave Inverter that is separate from our battery which you can check out here. You can find more information on the DC power cords we have available here. Most CPAP machines have a DC power cord option, so they can be plugged directly into the battery and not incur any power loss associated with an inverter. The EXP48PRO can power a CPAP for 2-3 nights, and the EXP96PRO can power a CPAP for 4-6 nights using a DC power connection. It’s not a very efficient process, and if any part of the inverter or fan fails, you’re left with a dead battery.ĮXP PRO Batteries do not have built-in inverters, making them extremely efficient, safe, reliable, and last up to 10 times longer. Heat can have damaging effects on battery cells, so typically there is also a fan in these batteries that will also be drawing battery power in the process to keep things cool. They use battery cell energy (up to 40%) just to invert the form of power, and it produces excess heat within the unit. While the batteries that offer AC plugs and have the built-in inverters do provide a convenience, it comes at a cost. It’s worth noting that this process also produces heat. They use energy to change its power form, except instead of converting AC to DC, they convert DC to AC. Inverters work in the same manner as converters. Another cord you might be familiar with, that has that same converter, is a laptop.
You can actually feel the heat coming from that converter in the middle of the power cord when it’s in use. During this process extra power is used for converting that power from AC into DC. That converter manipulates the AC power coming from the wall outlet into the DC power needed to run that CPAP machine. When your CPAP machine is plugged into a normal AC wall plug, there is a built-in converter in the middle of that cord.
#Power converter vs inverter portable#
When choosing a portable battery, those offering DC plugs are most efficient. Interesting fact - CPAP machines actually run on DC power.
These batteries are designed without inverters built into their systems. These batteries are all designed with inverters built into their systems.īatteries that offer DC (direct current) plugs are like those you would find and use in a car like the two EXP PRO Batteries you find below.
Batteries that offer the typical AC (alternating current) plug use the type of outlet you would find and use in your home like the ones below. And unless you’re familiar with electrical current and how it applies to running machines like a CPAP, it can get confusing on which battery is really the best option.ĬPAP batteries can be divided into 2 general categories, those with a built-in AC plug and those with a built-in DC plug. In the CPAP world, how you power your machine matters.
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