But they might need some air flow (Venting) so they dont get too hot?
I know you said AGM (I love mine - so great choice) but I would still feel funny not having some venting just because they are still a form of L/A battery. But thats just me.
Is that box 100% sealed?
2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor