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Toyota Landcruiser 300 Series Dual Battery System

Original price $3,859.00 - Original price $4,894.00
Original price
$3,859.00 - $4,894.00
Current price $3,859.00

DOWNLOAD INSTRUCTIONS HERE: 300 Series Installation Instructions


Perfect for Towing & 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 an 100ah Ignition relay for circuit isolation so never worry about flattening your start battery.

Toyota LC300 Under Bonnet Dual Battery System

The team at Accelerate has been working hard designing, testing & fitting Under Bonnet Dual Battery Systems into Toyota Landcruiser 300 Series and we are super excited to release it to the public as a Full DIY kit for you to install in your 300 Series.

As 300 series owners, 4x4 enthusiasts and caravaners - we've thought of absolutely everything (PLEASE LET US KNOW IF WE'VE MISSED SOMETHING).

Our DIY kit has been tested on our Toyota Landcruiser 300 Series GXL plus we've fitted it into 20+ Customer cars in our workshop in Maroochydore on the Sunshine Coast.

What's included in the kit

  1. Custom Accelerate Under Bonnet Battery Tray
  2. Custom Accelerate BCDC Mounting Bracket
  3. Solar Input - choose from under bonnet or rooftop
  4. Invicta 100ah Lithium Battery
  5. Redarc charger BCDC1240D
  6. Socket Bank in the 3rd row of Seat Cup Holder (choose your own socket combo)
  7. Full Wiring Harness
  8. Easy to follow instructions so you can DIY this install like a professional. All you need is
    1. Our Kit
    2. Phillips head screwdriver
    3. 8/10/12/13mm sockets
    4. Socket Extension & Driver
    5. 14mm spanner
    6. 5mm Allen Key Socket
    7. Stepped Drill Bit Up to 24mm & Drill

Accelerate OG Battery Tray:

Custom LaserCut & Folded Aluminium Battery Tray. Fits in original battery location. You will retain your existing start battery (now north > south) plus add in an Invicta 100ah Lithium Battery.  

The Tray is pre-drilled with mounting locations for midi fuses to run all your accessories.

All mounting hardware that you need is included - like spacers, screws....

Invicta 100ah Lithium Battery:

This lightweight Lithium Battery is built to power all your 12v accessories. 

  • Large number of cycles >2000 (100% DoD)
  • Safe and stable chemistry & Integrated BMS
  • Weight 12.2kg
  • Bluetooth connection on your smart phone - In order to use the Bluetooth functionality, please download our INVICTA App today. Allows you to see
    • Amps in
    • Amps out
    • Battery Charge %
    • Temperate
    • Voltage
    • Cycles

DC-DC Charger:

Redarc BCDC1240D - 40Amp 3 Stage DC-DC Charger. 

The REDARC BCDC1240D under bonnet DC2DC Battery Charger is a 12V 40A DC to DC battery charger, capable of high performance in engine bay installations, potted to survive and thrive against heat, water and dust. Pumping in 40amps of charge into your lithium battery per hour.

BCDC Mounting Bracket:

This has been custom designed by our team of 4x4 experts to ensure the BCDC is mounted in a nice cool location while all the lights can be viewed without popping the bonnet PLUS you'll get a Solar Input Plug plug under bonnet so you can plug in your portable solar Panel without opening the bonnet. 

Socket Bank:

Accelerate's custom laser cut Aluminium plate is powder coated with a textured finish to match your existing Toyota Interior. The socket bank slots right into your 3rd row of seats cup holder on the passenger side, locked into place with 3 screws. 

Choose from your socket configuration in the options - if something you want isn't listed, please add it into the notes section at Checkout. 

Wiring Harness:

BCDC Wiring Harness

Custom wiring Harness, fully terminated and triple insulated with Techflex & Heat-shrink to ensure it looks cool while staying protected.

CupHolder Wiring Harness

2 x 6mm cable feeds, one run's the Accessory Sockets & the other run's the Anderson Plug's. Terminated and ready to plug in.

UPGRADE TO a Rooftop Solar Panel Input:

Red Anderson Plug at each end with 6mm cable - the perfect solution for you to plug into your rooftop mounted solar panel.

 Add on's

Redarc TowPro Elite V3 Towing Kit For Landcruiser 300 Series

  • Genuine Redarc Towing Harness
  • TowPro Switch Insert
  • TowPro Elite V3

Isolated Anderson Plug

Perfect for Towing & 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 an 100ah Ignition relay for circuit isolation so you never worry about flattening your start battery.

Electronic Stability Control (ESC Kit)

A easy solution if you have a Red Anderson Plug on your caravan for ESC. Our kit uses 6mm Twin Core Cable, conduit for protection, Midi Holder & Midi Fuse.


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


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.