A dual battery setup is a must-have for those who love outdoor adventures, especially off-road trips. It allows you to power your electronics and accessories without worrying about draining your primary battery.
If you’re planning to install a dual battery system, the next thing you need to decide is where to install it.
Best Spots to Install a Dual Battery Setup
In this article, we’ll discuss the top three best locations to install a dual battery setup within your vehicle along with their benefits.
1. Under the Bonnet
The engine compartment is the most common location for a dual battery setup and for a good reason. It’s a convenient location that doesn’t require any additional modifications. It is often a good option for older or more typical 4×4 vehicles.
Suitable Vehicles
Examples of vehicles that are suitable for this installation include:
- Toyota Landcruiser
- Toyota Hilux
- Toyota Prado
- Isuzu D-Max,
- Mitsubishi Triton
- Nissan Patrol
Benefits
Here are some benefits of installing your dual battery setup under the hood:
- It’s a space-saving solution that keeps your auxiliary battery out of the way
- The engine heat helps keep the battery warm, especially during cold weather
- Easy access for maintenance and troubleshooting
- Shorter cable runs reduce voltage drops, which improves battery performance
- You can take advantage of the alternator’s charging capability to recharge the auxiliary battery while driving
2. Within the Cabin / Behind Passenger Seat
This location is suitable for people who don’t have engine bay space, don’t want to lose vital boot space, or have less reliance to carry extra passengers or heavy cargo.
Suitable Vehicles
Examples of vehicles that are suitable for this installation include:
- Mitsubishi Pajero Sport
- Isuzu MU-X
- Ford Everest
- Toyota Prado
- Fortuner
Benefits
Here are some benefits of installing your dual battery setup under the hood:
- It’s a space-saving solution that keeps your auxiliary battery out of the way
- The engine heat helps keep the battery warm, especially during cold weather
- Easy access for maintenance and troubleshooting
- Shorter cable runs reduce voltage drops, which improves battery performance
- You can take advantage of the alternator’s charging capability to recharge the auxiliary battery while driving
3. Rear Cargo Area / Canopy
Another popular location for a dual battery setup is in the rear cargo area of your vehicle. This option is ideal for larger vehicles or those with limited engine compartment space. Dual cab vehicles are rapidly gaining popularity among 4WD enthusiasts and for good reason. These vehicles offer a unique blend of size, flexibility, safety, and luxury that was once only found in high-end SUVs.
Suitable Vehicles
Examples of vehicles that are suitable for this installation include:
- Ford Ranger
- Volkswagen Amarok
- Holden Colorado
- Toyota Hilux
- Isuzu D-MAX
- Mazda BT-50
Benefits
Here are some benefits of installing your dual battery setup under the hood:
- Allows for larger battery installation, which provides longer run time for your accessories
- Setup takes up no space within the cab of your 4WD
- Provides easy access for maintenance and troubleshooting
- Keeps the battery away from the heat of the engine, which can extend its lifespan
- Provides additional weight over the rear axle, which can improve traction and stability on uneven terrain
Conclusion
Choosing the right location for your dual battery setup is essential for its performance and longevity. Whether you opt for under the hood, the rear cargo area, or under the driver or passenger seat, each location offers unique benefits.
Consider your vehicle type, size, and intended use to determine the best location for your dual battery setup.
With proper installation and maintenance, a dual battery setup can be a reliable and convenient power source for all your off-road adventures