Those two batteries are of identical internal construction, both are combination starting and deep discharge batteries. The YellowTop is warranteed for automotive use and the BlueTop is warranteed for marine use.
The marine battery has a longer warranty because it is not calculated on being in a high heat automotive engine compartment, rather in a ventilated and cooler marine engine room.
The actual performance under a Jeep hood is identical. If you want the longer marine battery warranty and are willing to lie to get it, get a BlueTop and if you need to make a claim, say you used it in a boat. Else get a YellowTop and be truthfull.
Very often, different model batteries with different terminal configurations are available. If you are planning to stack two batteries on their sides in a Mean Green or Smittybuilt dual battery tray, the best battery version (because it is least likely to short) is top post only. If you are using a single battery, then a model with both top posts and side terminals is convenient - but do not attach a winch or the engine starter to the side posts, those are for light duty use only. Likewise always attach jumper cables to top posts only.
The marine battery has a longer warranty because it is not calculated on being in a high heat automotive engine compartment, rather in a ventilated and cooler marine engine room.
The actual performance under a Jeep hood is identical. If you want the longer marine battery warranty and are willing to lie to get it, get a BlueTop and if you need to make a claim, say you used it in a boat. Else get a YellowTop and be truthfull.
Very often, different model batteries with different terminal configurations are available. If you are planning to stack two batteries on their sides in a Mean Green or Smittybuilt dual battery tray, the best battery version (because it is least likely to short) is top post only. If you are using a single battery, then a model with both top posts and side terminals is convenient - but do not attach a winch or the engine starter to the side posts, those are for light duty use only. Likewise always attach jumper cables to top posts only.