Hi there, I’m brand new to the portable power station world. My only experience is with smaller external batteries used to charge phones, tablets, laptops, etc, via USB and UPS’s by APC and CyberPower with lead acid batteries I’ve used for home computers.
I bought two Elite 30 V2’s, one for me and one gifted to my dad. Primarily as an inexpensive way to try the devices out and for his specific need.
My question is his unit has been powering itself off while it’s been plugged into the wall and having no power outages. I think I might have solved this problem by turning ECO Mode off in the app, both AC & DC. He has his ResMed AirCurve 11 BiPAP. machine plugged into his unit intending not to be interrupted while sleeping if the power goes out. Is this possible and if so, have I made all the correct adjustments necessary?
My second question is, I believe there’s some degree of inefficiency plugging the BiPAP machine directly into the unit’s AC outlet due to the power being converted from DC to AC by the inverter and then back to DC on the BiPAP machine? I saw 12V power cords on Amazon specifically for the BiPAP machine he has that would plug into the car DC Output 12v/10a on the unit…would buying one of those for about $30 be worthwhile?
Thanks!
Hello, you can try turning off the ECO mode. It should be effective. In addition, you don’t need to buy wires. 2880.95DC efficiency 0.88/(80W+DC self-consumption 9W) = 2.83 2880.95AC efficiency 0.9/(80W+AC self-consumption 9W) = 2.76 The efficiency is about the same.
Regardless of efficiency I would never use an Elite 30 V2 for a medically necessary device nor would I default to using an unreliable standby UPS as the “default” power source for running the same device. Not only is 3 hours of runtime relatively useless (you need a larger power station), but you are adding an additional failure point for something that may be needed 1% of the time in an emergency. If the UPS or the AC inverter fails, regardless if shore power is working, the BiPAP fails because its plugged into the Bluetti, instead of shore power. You need a minimum of 2kW worth of battery just to run the BiPAP for 24 hours. The Elite 30 V2 should more so be used as an emergency power source for non-essentials and personal devices (i.e. recharging smartphone, laptop, etc).
The runtime is not 3 hours. The runtime so far has been 6 hours with 40% battery remaining. He never sleeps longer than 6 hours so it’s more than adequate. It would seem runtime is approximately 10 hours.
The BiPAP machine is not a ventilator and it shutting off for any reason results in waking up from sleep and being unable to go to bed until the issue is resolved.
Finally, how much is this 2k watt hour battery going to cost?
I’m not sure you understand the use case here. Power outages occur once or twice per year and last 3-5 hours, not always at night. The use case is being able to power the BiPAP machine at night while sleeping for a typical power outage due to planned maintenance or due to weather causing specific, focused, liminted line damage. We’ve lived here for 50 years and there’s never been a power outage lasting longer than 6 hours. If there’s a tornado or major storm which causes widespread damage with downed power lines resulting in power outages for several days, this is a situation not being included and will be handled by other actions.