Can-Am Defender Auxiliary Battery Installation Kit

Unleash the full potential of your Can-Am Defender with the Auxiliary Battery Installation Kit. Designed for those who demand more from their off-road experience, this kit lets you seamlessly add a second 30Ah battery, ensuring you have the extra juice to power up your essential auxiliary components—be it a booming sound system or a robust winch. The integrated smart battery isolator is your guardian, preventing any drain on your starting battery, so you can ride with confidence. Complete with a battery junction block, all necessary wiring, and a sturdy battery holder, this kit is the ultimate upgrade for the adventurous spirit. (Additional battery sold separately.) Note: Not compatible with the Defrost, Heat, and Ventilation System.

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.

Designed to fit: 

• 2018 DEFENDER
• 2018 DEFENDER MAX
• 2019 DEFENDER
• 2019 DEFENDER MAX

Orders $89 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

Orders under $89 qualify for $4.99 standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.