What do you out Under your batteries?

[solarstuff]

Hey folks, I'm building my second solar zetup now and I'm wondering what you chose to put beneath your batteries.

Mine sit on wood with slats for ventilation.

Should I put rockwool or something else beneath for fire safety?

Thoughts? I'm back and forth.

 

[upnorthandpersonal]

I've got them in a double walled/floored box:

This could be interesting

I might put a spring washer there, but I'm not expecting the compression to be accurate - I just need some compression since it's better than no compression. I don't think I exceed 18 psi in any case. I also assume some elasticity in the threaded rods and the insulation foam between cells (not...

diysolarforum.com

There is insulation below, on the sides and on the lid.

 

[jwelter99]

Hey folks, I'm building my second solar zetup now and I'm wondering what you chose to put beneath your batteries.

Mine sit on wood with slats for ventilation.

Should I put rockwool or something else beneath for fire safety?

Thoughts? I'm back and forth.

I use Lynn Super-wool board INO on the bottom and sides, as fireproof to 1100C.

https://www.lynnmfg.com/wp-content/uploads/data/DATA-TC-1114-115.pdf