Toyota Prado 250 Series Under-Bonnet Dual Battery Kit

Designed for a clean, factory-style power upgrade, the Toyota Prado 250 Series Under-Bonnet Dual Battery Kit delivers serious off-grid capability without sacrificing cabin or cargo space. Purpose-built to mount entirely under the bonnet, this system integrates seamlessly into the engine bay while maintaining an OEM-style finish.

Featuring the advanced REDARC Alpha BCDC charger, this kit provides intelligent charging, start battery support, solar integration, and Bluetooth monitoring — all in a compact, vehicle-specific solution designed and built in-house by Accelerate Off-Grid Touring.

Key Features

Under-Bonnet Installation – Keeps your cabin and cargo area completely free for passengers and gear

Vehicle-Specific Fitment – Designed exclusively for the Prado 250 Series for a precise, factory-style fit

Start Battery Charging – Recover a flat start battery with the push of a button in as little as 15 minutes, and utilise excess solar power to automatically maintain your start battery when the auxiliary battery is full

Premium Charging System – REDARC Alpha 25 BCDC with smart alternator control, solar input, and Bluetooth monitoring

Accelerate Battery Tray System – Replaces the factory start battery tray while retaining your original start battery

Fuel Filter Relocation Included – Supplied bracket repositions the fuel filter for correct clearance

Behind-Grille BCDC Mount – Optimised airflow and accessibility with a purpose-built mounting bracket

Plug-and-Play Wiring – Pre-terminated, fused, labelled loom for a fast and clean installation

Modular Socket Options – Choose passenger or driver-side socket banks with optional dual-socket upgrade

Durable Construction – Powder-coated textured black components for corrosion resistance and OEM appearance

Designed & Built in Australia – Engineered and tested on the Sunshine Coast

Battery Options

No Battery – Internal battery space allows you to supply and install your own battery.

Internal Battery Space – Sized to suit batteries up to approx. 308mm (L) x 168mm (W) x 220mm (H)

Invicta Xero 100Ah (SNLX12V100BT) – High-performance lithium battery with advanced BMS, Bluetooth monitoring and rugged IP67 design, backed by a 3-year under bonnet warranty.

Invicta Xero 120Ah (SNLX12V120BT) – Increased capacity lithium battery ideal for higher power demands, featuring advanced BMS, CAN bus communication and Bluetooth monitoring, also backed by a 3-year under bonnet warranty.

Invicta Xero Range Benefits:

• High performance BMS – Supports up to 500A pulse and 150A continuous discharge
  
• Long cycle life – 3000+ cycles at 100% depth of discharge
• CAN bus communication – Direct integration with system components for accurate data
• Bluetooth monitoring – Easy access via the Invicta app
• IP67 rated design – Water and dust resistant for harsh environments
• Rugged internal construction – Reinforced casing and vibration-resistant design
• Advanced safety features – Built-in passive and active protections
  

Charger Options

REDARC Alpha 25A (BCDC12025B) – Compact, smart alternator-compatible DC-DC charger ideal for small-to-medium battery systems, featuring dual input (solar + alternator) and Bluetooth monitoring for full system control.

Alpha Series Benefits:

• Start battery charging support – Charge and manage your start battery via Bluetooth app
• Start battery maintenance – Maintains start battery health when parked
• Green Power Priority™ – Prioritises solar input to reduce alternator load
• Adjustable input current limit – Protects vehicle systems and suits smart alternators
• Dual input – Charges from solar and alternator simultaneously
• Bluetooth monitoring – Full visibility and control via RedVision app
• IP67/69K rated – Built for harsh off-road and marine environments
• Over-the-air updates – Future-proof with wireless firmware upgrades

Socket Bank Options

Passenger-Side Socket Banks (Included Option)

Socket Bank 1

• 1 x USB A/C
• 1 x 12V socket
• 2 x Grey Anderson outputs

Socket Bank 2

• 2 x Dual USB A/C
• 2 x Grey Anderson outputs

Socket Bank 3

• 1 x USB A/C
• 1 x Engel fridge plug
• 2 x Grey Anderson outputs

Note: Socket banks are supplied for passenger-side installation only. If you require a driver-side socket, please purchase the Driver-Side Add-On Socket with Y-Lead Bundle.

Whats Included

• Custom Accelerate under-bonnet battery tray (replaces factory tray, retains start battery)
• REDARC Alpha 25 BCDC charger (pre-mounted and wired)
• Fuel filter relocation bracket
• Behind-grille BCDC mounting bracket (powder-coated textured black)
• Pre-terminated wiring harness (fused, labelled, plug-and-play)
• Battery strap and mounting hardware
• All fuses, terminals, and protective conduit
• Installation guide and wiring diagram

Specifications

• Charger: REDARC Alpha 25A DC-DC charger
  
• Voltage: 12V system
  
• Battery Compatibility: Lithium (LiFePO₄) – up to 120Ah capacity
  
• Maximum Battery Size: 308mm (L) x 168mm (W) x 220mm (H)
  
• Mounting Location: Under bonnet – left front engine bay
  
• Finish: Textured black powder-coated
  
• Vehicle Compatibility: Toyota LandCruiser Prado 250 Series (2024 onwards)