SUPERSTART DEEP CYCLE BATTERIES:
These are high quality, marine grade deep cycle batteries. Great for house banks in boats, caravans or for camping and 4x4 setups to run fridges and other components.
These batteries have a CCA rating and are capable of jump starting or emergency paralleling when needed.
However, these are primarily deep cycle batteries, if you're looking for a true dual purpose battery that can do both, try here.