Product Description: NiMH 7.2V 6.5Ah Hybrid Traction Battery Module for Toyota Prius (2000-2003)
Overview:
This is a direct replacement Nickel-Metal Hydride (NiMH) module designed specifically for the hybrid battery pack of the first-generation (XW10) Toyota Prius, model years 1997 through 2003. With a rated voltage of 7.2 volts and a capacity of 6.5 ampere-hours (Ah), this individual module is the fundamental building block of the car’s high-voltage traction battery system.
Primary Application:
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Vehicle: Toyota Prius (NHW11, NHW12 models – Japan, Europe, North America, etc.)
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Model Years: 2000, 2001, 2002, 2003.
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Function: Used to repair or rebuild the main HV (High-Voltage) battery pack, which consists of 38 such modules connected in series to create a nominal 273.6V system.
Key Features & Specifications:
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Chemistry: Advanced Nickel-Metal Hydride (NiMH). Proven, reliable, and safe technology engineered for the high charge/discharge cycles of hybrid vehicle operation.
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Voltage & Capacity: 7.2V / 6.5Ah. This specification matches the original equipment (OE) performance requirements for the Gen 1 Prius, ensuring seamless integration and proper vehicle function.
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Hybrid-Specific Design: Unlike standard batteries, this module is engineered for shallow-cycle, high-power operation. It provides the critical burst of power for electric motor assist during acceleration and efficiently captures regenerative braking energy.
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Compatibility: Mechanically and electrically identical to the original Panasonic or PEVE (Panasonic EV Energy) modules used in the factory battery pack. Ensures proper fit within the battery tray and correct connections to the bus bar.
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Quality Assurance: High-quality cells and robust construction ensure stable internal resistance and thermal performance, which are crucial for longevity and safety in the hybrid battery pack environment.
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Usage: Primarily sold as individual modules or in sets for battery pack repair. They are used to replace weak or failed modules identified during diagnostic testing, allowing for a cost-effective repair versus replacing the entire, expensive battery pack.
Who Needs This Battery Module?
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Prius Gen 1 owners experiencing hybrid system warnings (e.g., red triangle, check hybrid system), reduced fuel economy, or loss of power.
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Automotive repair shops and hybrid battery specialists performing refurbishment services.
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DIY enthusiasts with the technical knowledge and safety training to service high-voltage hybrid systems.
Important Note:
This is a high-voltage component. Installation and handling require proper safety procedures, specialized tools, and technical knowledge of hybrid vehicle systems. It is strongly recommended that replacement be performed by a qualified professional.
Conclusion:
This 7.2V 6.5Ah NiMH module is the essential, OEM-equivalent component for restoring the performance and reliability of the hybrid battery in the iconic first-generation Toyota Prius. By replacing only the failing modules, it offers an economical and sustainable solution to extend the life of the vehicle.
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