Recommendations to convert SLA battery to multiple voltages

[krby]

Thanks for the info, Phil1977!

One really last remark: Have you thought about fuses?

I have. I've been assuming one fuse per output-to-device, regardless of whether I'm going with a single 12V step-down or your suggestion of one per device.  I've got a fuse for between the battery and the inverter I'm replacing all this with, but I'm lame and haven't installed it yet. My "excuse" the inverter has a 60A fuse on DC input side and the DC cables into the inverter are 6AWG, and my load is 300-350W max now.



 One sort of "problem" is I'm building this a proof-of-concept with separate modules initially in a wood or plastic enclosure, but I eventually plan to build it as a PCB. I say that because the fuse situation would change.

[Phil1977]

Sounds good, good luck & have fun!

If you make an own PCB I´d set some placeholders/footprints for common mode chokes. Sometimes the grounding on a PCB is that much butter than with individual modules that EMI that was dampened in cables and connectors now directly effects the components. So do not be greedy on decoupling caps and use common mode chokes where necessary...