Comment on Server for a boat
poVoq@slrpnk.net 6 months ago
Get a PicoPSU for automotive use (there are two varieties, one that needs stable 12v and another that can run directly off a battery with varying voltage).
Comment on Server for a boat
poVoq@slrpnk.net 6 months ago
Get a PicoPSU for automotive use (there are two varieties, one that needs stable 12v and another that can run directly off a battery with varying voltage).
sailingbythelee@lemmy.world 6 months ago
I think you’ve hit on the key difference between home and boat use: the variable voltage. My battery varies between about 13.3V and about 11.2V depending on its charge state. I’ll look into these.
poVoq@slrpnk.net 6 months ago
When you are actively charging the batteries off a solar panel for example, it will be even higher, up to 17V or so I think. The Automotive PicoPSUs only cost a little more and will smooth it out up to 24V I think… there are even some models that go up to 48V.
helenslunch@feddit.nl 6 months ago
Yes that’s incorrect. Open circuit voltage for solar panels can be in the hundreds of volts, but you’re never gonna put that into your battery. You’re gonna run it through a charge controller that will bring it down to a normal voltage. For a lead acid that will be somewhere around 13.6V and 14.4V for LFP.
jake_jake_jake_@lemmy.world 6 months ago
i didn’t downvote but 17v on a 12v battery maybe seems a bit high. I’m more used to about 7-14% over (maybe up to 14v on a 12v batt) when charged/floating but i don’t use solar anywhere currently, and i usually work on 48v systems. i normally expect to see about 54v on a fully charged battery string (13.5v per battery x4) with the rectifiers running.
i also second the opinion of running an automotive PSU for this situation.