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Re: battery bank in unheated shed.
A 40° summer day kinda implies C. When I worked in the arctic, 40°F was a nice summer day. Most other places it wouldn't be considered much of a summer day :) At -20°C, freezing isn't likely unless b…1 · -
Re: Disconnect/breaker between solar panel and charge controller
You don't really need a fuse, but a DC rated breaker makes a handy shutoff switch. If using a switch, be sure to check that it has a DC load rating. Switching DC is different than AC, and many AC swi…1 · -
Re: Good time to replace 9 volt smoke alarm batteries?
I think they're 6 x 1.5v nominal cells. An alkaline would be dead at ~1.1v/cell, so ~6.6v for a 9v nominal? 50% no-load voltage ~1.3v x 6 =7.8v. https://en.m.wikipedia.org/wiki/Alkaline_battery1 · -
Re: maxing out a morningstar
I'm also not a fan of running controllers at max capacity regularly, but I don't know if (eg) running 1 flat out would need to be replaced often enough to outweigh the cost of having 2 running at 50%…1 · -
Re: Solar vs grid cost
I think it was photowhit who got off-grid close to grid cost. Icarus is in (very roughly) my neck the woods. Don't know about him, but my internet is via (boosted w/tower mounted antenna) cellular mo…1 ·
