300 Series Toyota LandCrusier Lithium Under Bonnet DIY Dual Battery Kit

Toyota LandCruiser 300 Series Under Bonnet Dual Battery System

DOWNLOAD INSTALLATION INSTRUCTIONS HERE: [300 Series Installation Instructions]
WATCH THE STEP-BY-STEP INSTALLATION VIDEO HERE: [300 Series Installation Video]

Product Overview

Designed specifically for the Toyota LandCruiser 300 Series, this under-bonnet dual battery system is perfect for towing and charging caravan batteries while you drive. Featuring heavy-duty 6 B&S cable, this system allows you to charge lithium batteries in your caravan on the go. Plus, with a 100Ah ignition relay for circuit isolation, you never have to worry about draining your start battery.

Why Choose Our Kit?

• Purpose-Built for the LC300: Designed, tested, and fitted specifically for the Toyota LandCruiser 300 Series by our expert team.

• DIY-Friendly: Includes easy-to-follow instructions and a detailed installation video to guide you through the process, making installation hassle-free.

• Proven Performance: Tested on both our LC300 build a GXL and our latest VX build and installed in over 300 customer vehicles at our Maroochydore workshop or as DIY kits.

What’s Included in the Kit:

• Custom Accelerate Under Bonnet Battery Tray: Laser-cut and folded aluminium, pre-drilled for midi fuse mounting.

• Custom Accelerate BCDC Mounting Bracket: This bracket is designed to keep the DC-DC charger cool and accessible. It has a solar input plug for easy connection to portable solar panels.

• Choice of Battery: Select between the Invicta 100Ah Xero Lithium Battery or the Invicta 120Ah Xero Lithium Battery.

• Choice of Charger: Redarc BCDC1225D (25A) or BCDC1240D (40A) DC-DC charger.

• Custom Wiring Harness: Fully terminated with Techflex and heat-shrink for durability and a clean finish.

• Socket Bank for 3rd Row Cup Holder: Choose your own socket configuration, mounted with a sleek laser-cut aluminium plate.

Tools You’ll Need:

• Phillips head screwdriver

• 8/10/12/13mm sockets

• Socket extension and driver

• 14mm spanner

• 5mm Allen key socket

• Stepped drill bit (up to 24mm) & drill

Key Components:

Invicta 100Ah or 120Ah Lithium Battery

• Over 2000 cycles (100% DoD)

• Safe, stable chemistry with integrated BMS

• Lightweight (12.2kg) with Bluetooth monitoring via the Invicta app. Track amps in/out, charge percentage, temperature, and voltage right from your phone.

Redarc BCDC1225D or BCDC1240D DC-DC Charger

• 25A or 40A 3-stage charger designed to perform in harsh conditions—engine heat, water, and dust are no issue.

• 25A or 40A charge per hour for rapid charging of your lithium battery.

Custom BCDC Mounting Bracket

• Strategically placed for optimal airflow and visibility without popping the bonnet.

• Includes a solar input plug, perfect for plugging in a portable solar panel under the bonnet.

Custom Socket Bank

• Fits into the 3rd row cup holder, securely mounted with 3 screws.

• Choose your preferred socket configuration; additional options available upon request.

Recommended Towing Add-Ons:

Redarc TowPro Elite V3 Towing Kit

• Complete towing kit, including the genuine Redarc Towing Harness, TowPro Switch Insert, and Isolated Anderson Plug.

Isolated Anderson Plug Kit

• Perfect for Towing and charging batteries in your caravan while you drive. We've used heavy-duty 6 B&S Cable to ensure you can charge the lithium batteries in your caravan while you are driving. Plus, we always include a Battery Isolator, to ensure when your car is turned off you can leave the Anderson Plug, plugged in and not worry about flattening your start battery.

Electronic Stability Control (ESC) Kit

• Includes a red Anderson plug, 6mm twin-core cable, midi holder, and midi fuse, ensuring a stable connection to your caravan's ESC system.

This complete DIY kit gives you the power and flexibility to confidently install a dual battery system in your Toyota LandCruiser 300 Series. Whether you're towing or adventuring off-grid, enjoy the peace of mind that comes with reliable, well-designed power solutions.

Order today and take control of your off-grid power!

Here are 4 more great reasons to buy from us:

		Returns are easy, simply contact us within 30 days for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!
		We are 4 wheel drive and camping specalists, we live and breath this and we bring that passion and expertise to everything we do.
		We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.
		Ordering from us is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either.

INSTALL ENQUIRY

Need this item installed?

Book your install with our team today by either:

Filling out a booking request on our Contact Page

Or give us a call on (07) 5479 6652

IMPORTANT SHIPPING INFORMATION

Please note your battery & the rest of your kit may arrive via different freight companies at different times.

Postage Time Frames: 

As each kit is custom built it may take us some time to process and dispatch your order. 

Please allow 2 weeks for estimated dispatch time. Shipping can take 1-2 weeks depending on your location and postal service.

This kit is classified as dangerous goods, because of this it is common for it to be held for 3-4 days on average for inspection during the shipping process. If your kit still hasn't arrived after 2 weeks from shipment date on tracking, please don’t hesitate to contact us

If you need your kit within a particular deadline, please contact us prior to ordering so we can ensure your items can arrive on time.