I am the creator of the oscilloscope captures that show the ESS event.
Battery means connected to the battery (with fuse), so yes a load will drain battery until dead.
BOSCH LB24DP105 Dual Purpose Battery 105 Ah - 12.8 V Group 24 Lithium Battery, LiFePO4 for Starting and Deep Cycle. I think the battery will start the jeep, running a 1/0 cable from the battery box to the blue sea battery switch. There is a 50A connector on the battery box, going to add a 175A...
led's are rock lights from Amazon. There are plugs for rain, have not had any problems in 4 years. Keep in mind I am in Tucson, rains like end of the world then in 10 minutes the sun comes out.