Alu-Cab RT.2S Rooftop Tent Ineos Grenadier Power Setup

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This comprehensive guide details the installation of an Alu-Cab RT.2S rooftop tent and its connected remote solar power system on a 2025 Ineos Grenadier.

Equipment Installation:

Alu-Cab RT.2S Rooftop Tent

SunPower Maxeon 3 410W Black Fixed Solar Panel

We order and supply all necessary products for installation. 

vehicle information:

Ineos Grenadier

YEAR:

2025

project details:

Challenge

When traveling off-road for long periods, you need reliable shelter and steady power in remote areas. Ground camping exposes you to wildlife, mud, moisture, and rough terrain. Ground tents also take time to set up and pack away, especially in windy weather, and they use up valuable storage space inside your vehicle.

Using camping gear for long periods in the wild creates extra power challenges. Car starter batteries are made to start the engine, not to run accessories for hours. If you use the main battery for things like a fridge or lights, it can drain quickly and leave you stranded. Portable generators can be noisy and need extra fuel, which is not always practical.

That’s why travelers need a setup that gives them safe shelter and independent power, without risking their vehicle’s ability to start and run.

Solution

The Alu-Cab RT.2S Rooftop Tent, combined with an integrated solar battery network, addresses both accommodation and power requirements. The hard-shell tent housing provides an elevated, weather-resistant sleeping platform that opens rapidly while also serving as the mounting foundation for a high-output solar panel.

The solar panel on the roof collects sunlight and charges a special lithium battery inside the vehicle. This battery runs all your camping gear on its own circuit, so it’s safe. When you drive, the alternator tops up the extra battery, while the main starter battery stays separate and protected from being drained at camp.

It’s important to have experienced technicians install the system. This keeps everything safe, protects your vehicle and gear, and makes sure your warranty stays valid. Skilled installers use the right fuses for all wiring and mount everything securely to avoid damage to the roof during off-road trips.

Execution

The team at Adventure Additions handled the project with a well-organized installation process.

First, they attached the custom mounting brackets to the vehicle’s roof gutters. Then, using special lifting tools, they placed the Alu-Cab RT.2S Rooftop Tent on the roof and tightened it to the brackets with the right amount of force to keep it secure.

Next, they installed the SunPower Maxeon3 410W solar panel on top of the tent and ran the wiring through a strong, weatherproof conduit from the roof into the vehicle.

Inside the cabin, the technicians took out the rear passenger seats to reach the floor area. They fixed the Power Paul Scout 345 Ah lithium battery in a sturdy tray and mounted the Victron Orion XS DC-DC charger on a nearby backplate. The Victron SmartSolar MPPT charge controller was installed right next to the charger.

They ran thick cables from the main starter battery to the DC-DC charger and connected the solar panel on the roof straight to the MPPT solar regulator. The Invicta 2000W inverter was wired to the lithium battery to give safe AC outlets for household devices.

To keep everything safe, they added a 300A main fuse block and a 7-way midi fuse holder to protect each circuit from too much current. They also installed a Bluetooth switch panel so you can control accessories from your phone.

Results

Now, the Ineos Grenadier has a complete setup for remote camping and power. The rooftop tent sets up in less than a minute and gives you a comfortable, raised place to sleep.

The 410W solar panel on top keeps charging the extra battery while you’re parked. The 345 Ah lithium battery easily runs the fridge, lights, and AC appliances at your campsite.

The Victron DC-DC charger quickly recharges the extra battery while you drive, and the starter battery stays separate so your vehicle always starts reliably.

All the parts work safely together, giving you a self-sufficient mobile campsite.

at a glance:

Alu-Cab RT.2S Rooftop Tent Ineos Grenadier Power Setup
The auxiliary power system fits securely beneath the folding rear passenger seats
The solar panel mounts directly to the top shell of the rooftop tent to capture sunlight
The solar panel mounts directly to the top shell of the rooftop tent to capture sunlight
The finished electrical layout contains the lithium battery, charging regulators, and safety fuses arranged cleanly
The finished electrical layout contains the lithium battery, charging regulators, and safety fuses arranged cleanly
Ineos Grenadier Alu-Cab RT.2S Rooftop Tent
The Alu-Cab RT.2S is a slim, hard-shell rooftop tent made for camping. It’s built from lightweight aluminum and opens easily with gas struts. You can mount it on roof racks, canopy shells, or special load bars.
The Invicta 2000W inverter runs regular household appliances that need AC power. It can handle laptops, camera chargers, induction cooktops, and power tools. It safely changes 12V DC from the battery into 240V AC.
The 12V Solar and Battery System is a backup power setup that works separately from the vehicle’s main electronics. It uses a Power Paul lithium battery, a SunPower solar panel, and Victron charging regulators. The system charges from both the vehicle alternator and the solar panel on the roof.
The Victron SmartSolar MPPT controller monitors the voltage from the roof solar panel. It adjusts the current to meet the lithium battery’s needs, ensuring charging is safe and preventing damage from excessive power.
The technicians put the Power Paul lithium battery under the base of the rear passenger seat. This keeps the heavy battery low and centred in the cabin, and protects the electrical parts from weather, dust, and debris.
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