Prado 250 Series – 220Ah Underfloor Dual Battery Kit - With Jumpstart Feature 

Designed for maximum hidden power and seamless integration, the Toyota Prado 250 Series 220Ah Underfloor Dual Battery Kit delivers the highest-capacity underfloor system available for the new 250 Series. Engineered after extensive testing and refinement, this system provides serious off-grid capability while keeping your cargo area completely untouched.

Featuring a massive 220Ah slimline lithium battery and the advanced REDARC Alpha BCDC charger, this system offers intelligent charging, start battery support, and full Bluetooth monitoring — all in a fully plug-and-play package designed for real-world touring.

Key Features

Underfloor Installation – Keeps your cargo area and cabin completely free, with all components hidden beneath the factory floor

Massive 220Ah Capacity – Extended runtime for fridges, lighting, induction cooking, and high-demand accessories

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

Vehicle-Specific Design – Purpose-built tray engineered exclusively for the Prado 250 Series

Plug-and-Play Integration – Fully pre-terminated, fused, and labelled wiring with no need to run cabling to the engine bay

Premium Construction – Laser-cut and powder-coated components finished in textured black

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

Drawer System Compatible – Designed to work with RV Solutions drawer systems

Integrated System Ready – Compatible with Accelerate inverter and compressor kits

Designed & Built in Australia – Engineered and tested on the Sunshine Coast for harsh touring conditions

Charger Options

REDARC Alpha 25A

Waterproof, smart alternator-compatible, jumpstart-capable DC-DC charger with Bluetooth monitoring.

REDARC Alpha 50A (Dialled to 40A for Prado Compatibility)

• Start battery charging support via Bluetooth app
• Start battery maintenance mode
• Green Power Priority™ (solar-first charging)
• Adjustable input current limit
• Dual input – solar + alternator
• Bluetooth monitoring via RedVision app
• IP67/69K rated for harsh conditions
• Over-the-air firmware updates

Battery

12v 220 Ah Underfloor Lithium > Spec Sheet
Exclusive under-floor fitment battery designed for maximum capacity in the Prado 250.

• 12V 220Ah slimline LiFePO₄ battery
• High-performance BMS with 240A max discharge
• Lightweight, slim and compact housing
• Designed for deep-cycle auxiliary power systems
• Can be used in parallel to increase capacity
• Built-in over-voltage, under-voltage, over-current, and temperature protection
• M8 threaded terminals for secure connections
• Long lifespan with high cycle rating
• Designed and assembled in Australia

What’s Included

• Custom Accelerate 220Ah underfloor battery tray (laser-cut and powder-coated)
• REDARC Alpha BCDC charger (25A or 50A programmed to 40A)
• 220Ah lithium battery
• Quad MIDI fuse holder (DC-IN, DC-OUT, solar, fuse box protection)
• 6-way fuse block (pre-wired for socket banks + spare circuits)
• Victron SmartShunt (Bluetooth battery monitoring)
• Pre-terminated wiring harness (fused, labelled, plug-and-play)
• Blue Anderson plug (charger input)
• Grey Anderson plug (output)
• Red Anderson plug (solar input)
• Battery strap, brackets, and mounting hardware
• Protective conduit and terminals
• Installation guide and wiring diagram

Specifications

• System Voltage: 12V
  
• Battery Capacity: 220Ah Lithium (LiFePO₄)
  
• Charger: REDARC Alpha 25A or Alpha 50A (programmed to 40A)
  
• Monitoring: Victron SmartShunt + REDARC Bluetooth app
  
• Mounting Location: Under rear floor
• Internal Battery Space: Sized to suit batteries up to approx. 690mm (L) x 305mm (W) x 68mm (H)
  
• Maximum Battery Compatibility: Designed specifically around the 220Ah underfloor lithium battery
• Tray Finish: Textured black powder-coated
  
• Vehicle Compatibility: Toyota LandCruiser Prado 250 Series (2024 onwards)