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Why True® is Best Prado 150 Dual Battery kit, Best Heavy-Duty Isolator System

Toyota®Click here for Prado dual battery setup’s isolator

The True® Dual Battery Kit for the Toyota Prado 150 earns its reputation as the best heavy-duty isolator system thanks to its precision fitment, rugged build, and intelligent power management—designed specifically for off-roaders, overlanders, and touring enthusiasts who demand reliability.

– Tailored for Prado 150 Engine Bay
– Fits seamlessly on the driver’s side without interfering with aircon pipes or power steering reservoirs
– Compatible with 105Ah AGM deep cycle batteries, maximizing usable power without compromising space

🛠️ Why True® Isolator is the Best for Prado 150

Feature True® Prado 150 Kit Other Brands (e.g. Redarc, Projecta, Traxide)
Vehicle-Specific Fitment ✅ Direct bolt-in with no mods ⚠️ May require bracket or pipe relocation
Smart Isolator Logic ✅ VSR engages at 13.4V / 12.9V ✅ Varies by brand (some manual override)
Zero Voltage Drop ✅ Relay-based, full power delivery ⚠️ Some use diode-based systems
Waterproof Cables ✅ Fully sealed 6ga wiring ⚠️ Semi-sealed or basic insulation
Real-Time Monitoring ✅ Dual LED voltmeter (SMDD) ❌ Often sold separately or not included
Mounting Options ✅ 3M Dual Lock, screw, floating ⚠️ Limited or bulky brackets
Heavy-Duty Build ✅ Shockproof, heat-resistant (130°C) ⚠️ May overheat or degrade in engine bay
Price Range ~$105–$120 $140–$670 depending on brand and extras

🔋 Tailored for Prado 150 Engine Bay

Fits seamlessly on the driver’s side without interfering with aircon pipes or power steering reservoirs.
Compatible with 105Ah AGM deep cycle batteries, maximizing usable power without compromising space.

🚀 Performance That Outlasts

Powers fridges, lights, compressors, and inverters without draining the starter battery.
Perfect for multi-day camping trips, even with limited solar input or short drive cycles.


Landcruiser dual battery kit is a kind of technology where the Do it Yourself True® dual battery isolator is applicable. Build with 12V and 140 sensitive relay

  •  1 True® Smart Dual Battery Isolator (SBI) with mounting screws
  •  20 feet #6 high flex red cable with tinned copper cable lugs
  •  3 feet #6 high flex black cable with tinned copper cable lugs
  •  2 positive brass alloy battery terminal ends
  •  1 negative brass alloy battery terminal end
  •  3 loose crimp on tinned copper cable lugs
  •  2 sections of adhesive lined shrink tube
  •  5 zip ties
  •  1 installation instructions booklet