Belkin battery backup--can use with CPAP?

So the AT&T Uverse guy came out to install a new modem since, with all the kids home for the summer, we're seeing a definite degradation in speed that was very annoying. Bumping up the speed required a new modem. What it left us with is the Belkin battery backup used by the old modem, but no longer required to be installed by law with the new one. It's now ours.

I'd like to use this with my CPAP since a) it's free, b) I don't know what else to do with it and hate to throw it away, and c) I don't have a battery backup to use with my machine in case the power goes out in the middle of the night.

I checked, and my machine's power supply converts the incoming AC power to 24 volts of DC output.

This battery backup, though, converts AC power to 12 volts of DC output, so not a match.

Is there anyway to buy an adapter to add between the battery backup and the CPAP to allow me to use this with my machine?

SleepDepraved2 wrote:So the AT&T Uverse guy came out to install a new modem since, with all the kids home for the summer, we're seeing a definite degradation in speed that was very annoying. Bumping up the speed required a new modem. What it left us with is the Belkin battery backup used by the old modem, but no longer required to be installed by law with the new one. It's now ours.

I'd like to use this with my CPAP since a) it's free, b) I don't know what else to do with it and hate to throw it away, and c) I don't have a battery backup to use with my machine in case the power goes out in the middle of the night.

I checked, and my machine's power supply converts the incoming AC power to 24 volts of DC output.

This battery backup, though, converts AC power to 12 volts of DC output, so not a match.

Is there anyway to buy an adapter to add between the battery backup and the CPAP to allow me to use this with my machine?

There is a ResMed 12/24 volt converter for your pump. This is highly recommended (virtually required) if you want to run from a battery. The issue will be how much power, usually messured in Amp-Hours, does the battery have. Many UPS devices have a 7 Amp-hour battery, enough to get you through a night if you don't use humidity, but only a few hours if humidity is used. Jump starters use a a similar battery, but 18-20 Amp-hours, and scooter batteries, which I recommend, are 35 Amp-hours. All are similar AGM batteries. You can open the device and see what size is in it, but you can get an idea from the weight, which will be about 3/4 pound per Amp-hour capacity.

CapnLoki wrote:There is a ResMed 12/24 volt converter for your pump.

https://www.cpap.com/productpage/DC-Con ... hines.html

CapnLoki wrote:

SleepDepraved2 wrote:So the AT&T Uverse guy came out to install a new modem since, with all the kids home for the summer, we're seeing a definite degradation in speed that was very annoying. Bumping up the speed required a new modem. What it left us with is the Belkin battery backup used by the old modem, but no longer required to be installed by law with the new one. It's now ours.

I'd like to use this with my CPAP since a) it's free, b) I don't know what else to do with it and hate to throw it away, and c) I don't have a battery backup to use with my machine in case the power goes out in the middle of the night.

I checked, and my machine's power supply converts the incoming AC power to 24 volts of DC output.

This battery backup, though, converts AC power to 12 volts of DC output, so not a match.

Is there anyway to buy an adapter to add between the battery backup and the CPAP to allow me to use this with my machine?

There is a ResMed 12/24 volt converter for your pump. This is highly recommended (virtually required) if you want to run from a battery. The issue will be how much power, usually messured in Amp-Hours, does the battery have. Many UPS devices have a 7 Amp-hour battery, enough to get you through a night if you don't use humidity, but only a few hours if humidity is used. Jump starters use a a similar battery, but 18-20 Amp-hours, and scooter batteries, which I recommend, are 35 Amp-hours. All are similar AGM batteries. You can open the device and see what size is in it, but you can get an idea from the weight, which will be about 3/4 pound per Amp-hour capacity.

I've got that converter, but this is a battery backup, not a battery itself. It has the plug that would plug into the power port on the back of my machine, but it doesn't put out 24 V like the regular power supply does. Originally, it was plugged into the back of our modem and then plugged into the wall. If the power went out, it would power the modem for up to 3 hours after the power went out. I figured it would be better than nothing if I could use it. I do have a jump starter that I wanted to use, but the problem with that one is keeping it charged up and having it ready...I would still have to wake up if the power went out, grab it, plug in the DC converter into the jump starter, and like you said, disconnect the humidifier which right now I can't do because I would need the plain hose that goes with my unit which I don't have. I was hoping I could just set this one up so that it would kick on when the power went out during the night.


This is the unit: https://www.amazon.com/Belkin-Battery-B ... B004RRFY5I

SleepDepraved2 wrote:
I've got that converter, but this is a battery backup, not a battery itself. It has the plug that would plug into the power port on the back of my machine, but it doesn't put out 24 V like the regular power supply does. Originally, it was plugged into the back of our modem and then plugged into the wall. If the power went out, it would power the modem for up to 3 hours after the power went out. I figured it would be better than nothing if I could use it. I do have a jump starter that I wanted to use, but the problem with that one is keeping it charged up and having it ready...I would still have to wake up if the power went out, grab it, plug in the DC converter into the jump starter, and like you said, disconnect the humidifier which right now I can't do because I would need the plain hose that goes with my unit which I don't have. I was hoping I could just set this one up so that it would kick on when the power went out during the night.


This is the unit: https://www.amazon.com/Belkin-Battery-B ... B004RRFY5I

OK - good news and bad news. The battery is, as I suspected, a 7 Amp-hour bat that is a good short term (several hours) backup. Unfortunately the Belkin does not provide a "cigarette lighter" socket to plug into so you would have to adapt something. Also, the spec on the Belkin says "36 Watts" (or 3 amps at 12V) which is a bit low so there might be an issue if you ran this with the humidifier. Even without humidity there short term startup load of the pump is about 3 amps before it settles down. The normal supply for the ResMed is something like 90 Watts. The battery is happy to put out at that rate, but the internal wiring might not be up to it and it might be fused. The jump starters are really a step up from this, and a few people have reported success using them in UPS mode. As I've said often my preference is for a larger, 35 AH battery with a BatteryTender charger which can be used in UPS mode and will handle a full night with humidity for most setups - cost is about $100-150.