This battery fits:
• Lexus GS450h (GWS191 chassis)
• Model Years: 2006 – 2012
• Generation: S190 Series
• Hybrid system: Lexus Hybrid Drive

Direct plug-and-play OEM replacement. No modification required. This listing does NOT apply to the 2012–2018 GWL10 generation.

The 2006–2012 GS450h integrates:
• 3.5 L V6 2GR-FSE petrol engine
• High-output electric motor
• Nickel-Metal Hydride (NiMH) high-voltage traction battery
• Hybrid Control ECU
• Power Split Device
• E-CVT transmission with two-stage motor speed reduction
• Regenerative braking system

Battery system specifications:
• Chemistry: NiMH
• Total Modules: 40
• Nominal Module Voltage: 7.2 V each
• Total System Voltage: ~288 V

As the battery ages, internal resistance rises and voltage imbalances develop. A brand-new battery restores electric torque assist, improves fuel economy, and stabilizes engine start-stop cycles.

Common indicators of degradation:
• “Check Hybrid System” warning
• Reduced electric boost under acceleration
• Rapid battery charge fluctuation
• Increased fuel consumption
• Engine running constantly
• Loud rear battery cooling fan
• DTC code P0A80

Cost factors include:
• Brand-new vs refurbished battery
• Installation labour
• Warranty duration
• Core exchange terms

Hybrid Fix Garage provides:
• Brand-new NiMH battery solution
• Competitive pricing compared to dealership OEM
• 3-year warranty included
• Professional hybrid installation

Request a tailored quote for your specific model year.

Hybrid Fix Garage (New):
Utilizes brand-new cells that are capacity and IR matched. Offers a 3-year warranty with a very low risk of imbalance at a competitive price.

Reconditioned:
Uses used or balanced cells with voltage matching only. Carries a medium-to-high risk of imbalance with a 6–24 month warranty.

Dealership OEM:
Factory-fresh components representing the highest price tier and varying warranty terms.

Battery Chemistry: Nickel-Metal Hydride (NiMH)
System Voltage: ~288 V
Modules: 40
Chassis Code: GWS191
Compatibility: 2006–2012 Lexus GS450h
Condition: Brand-New Premium Cells
Warranty: 3 Years
Installation Support: Available
Recycling: Included

All batteries undergo:
• Load performance testing
• Capacity balancing
• Internal resistance verification
• Thermal inspection

Typical lifespan for a brand-new pack: 8–15 years.

Factors affecting longevity:
• High ambient temperatures
• Frequent heavy acceleration cycles
• Blocked or poor battery ventilation

Includes:
• Safe high-voltage battery removal
• ECU reset & hybrid system calibration
• Performance verification testing
• Responsible recycling of old battery

Installation typically takes 2–4 hours.

• Hybrid System Certified Specialists
• High-Voltage Safety Protocols
• Transparent Pricing Structure
• Warranty-Backed Brand-New Batteries
• Dedicated Hybrid Support Team

Is this battery brand-new or rebuilt?
It is a 100% brand-new NiMH battery pack.

Does it fit the newer GWL10 model?
No, this is specifically for the 2006–2012 GWS191 chassis.

How long does installation take?
Typically 2–4 hours.

What warranty is included?
Every battery includes a 3-year warranty.