Anker banks are good; and it's worth noting for any future folks reading this thread that you can?get 12V PD USB-C cables, but they work with fewer banks and adapters. Notably, no recent Anker AC plug or powerbank supports 12V output.?
Also, many larger powerbanks/"solar generators" now have 12V DC output plugs. Always test them! I've measured many that will happily drift all the way up to 13.7v. I use a Drok buck/boost converter on the 12v output of a Anker Solix bank and have gotten consistent 12V into my QMX+ that way.
73!
On Thursday, April 17th, 2025 at 9:30 AM, Stan Dye via groups.io <standye@...> wrote:
I wired my first QMX for 9V, and have been very happy that I did.
I also use a PD power bank and 9V trigger cable for it, and it has worked very well.? The powerbank measures right at 9.0V, but at transmit there is about a .2V drop in the cable, so I am always transmitting at about 8.8V, which is a fine safety margin, even for FT8.? Note that because of the steeper voltage curve for a 9V build, you don't need to reduce the voltage as much for the same margin.
And the power bank I chose is an Anker 10000mAh unit that is smaller than the QMX - a perfect match, which gives me several hours of operation.
Stan KC7XE
