• Allows you to add a second 30Ah battery for that dual battery setup that will give you the extra juice you'll need to power auxiliary electrical components like a sound system or winch.
• Equipped with an integrated smart battery isolator that will prevent your auxiliary electrical components from draining your starting battery.
• Kit includes an additional battery junction block, all necessary wiring and the battery holder.
• Additional battery sold separately (515176151).
• Incompatible with Defrost, Heat and Ventilation System.

Compatibility: Defender (except XT Cab Models), Defender MAX (except XT Cab Models)