You mean the fridge or the Thumper.

Fridge cycles on and off so not sure but its a Engel.
Almost their biggest, I think its a 32L and supposed todraw around.5 to 2amps.
Low, med ,high.
The Thumper is a 60amp/hr with 1300CCA.

this is from top of my head, need to go in shed to confirm.