Andrewr05
[Replicant 42069]
I don't have the general electrical know-how to actually reverse engineer or anything, but I guess I don't know unless I try.
The Bluetti AC200L has a "48 volt" output port (it's speculated that it's just an output at its internal battery voltage) that can only be used by connecting their proprietary output box.
The Bluetti D40 converts the output to "12v".
It allows you to directly connect to your "house battery" to keep it topped off or it allows you to connect to a 12 volt fuse box/bus bar system and power all of your loads off it.
The box also contains its own MPPT controller as well to directly charge your house batteries through the D40 via solar.
It does not backfeed into the main unit to top off the AC200L.
I have seen threads where other people haveu sed a voltmeter and have gotten voltage directly out of the 48V port, but as soon as a load is put onto it it shuts off.
It is likely that the third pin on the connector has some sort of communication with the D40 box.
I wonder how hard it would be to reverse engineer that and be able to just pull a straight 48V out of that port for connecting your own devices?
Has anyone thought of this now that Bluetti is finally shipping the D40 unit?
Surely it wouldn't be too difficult to spoof whatever signal it is sending and get it to think the D40 is connected.
Anything is bound to be cheaper than the $200 Bluetti wants for the BLUETTI D40 DC-DC Battery Charger
The Bluetti AC200L has a "48 volt" output port (it's speculated that it's just an output at its internal battery voltage) that can only be used by connecting their proprietary output box.
The Bluetti D40 converts the output to "12v".
It allows you to directly connect to your "house battery" to keep it topped off or it allows you to connect to a 12 volt fuse box/bus bar system and power all of your loads off it.
The box also contains its own MPPT controller as well to directly charge your house batteries through the D40 via solar.
It does not backfeed into the main unit to top off the AC200L.
I have seen threads where other people haveu sed a voltmeter and have gotten voltage directly out of the 48V port, but as soon as a load is put onto it it shuts off.
It is likely that the third pin on the connector has some sort of communication with the D40 box.
I wonder how hard it would be to reverse engineer that and be able to just pull a straight 48V out of that port for connecting your own devices?
Has anyone thought of this now that Bluetti is finally shipping the D40 unit?
Surely it wouldn't be too difficult to spoof whatever signal it is sending and get it to think the D40 is connected.
Anything is bound to be cheaper than the $200 Bluetti wants for the BLUETTI D40 DC-DC Battery Charger