Product Introduction: Ni-MH 7.2V 6.5Ah Hybrid Vehicle Battery
This Nickel-Metal Hydride (Ni-MH) battery module is a core component designed for the hybrid electric systems of many vehicles, including popular models like the Toyota Alphard (10 series), Toyota Estima (ES10W), and Lexus UX250H (2019).
In hybrid vehicles, this battery does not start the engine but works as part of the hybrid system. It stores energy recovered from braking and supplies power to the electric motor to assist the gasoline engine, thereby improving fuel efficiency and reducing emissions.
Key Technical Specifications
| Feature | Specification |
|---|---|
| Technology | Nickel-Metal Hydride (Ni-MH) |
| Nominal Voltage | 7.2V (Typically composed of six 1.2V cells in series) |
| Nominal Capacity | 6.5 Ah (Amp-hours) |
| Form Factor | Prismatic (rectangular) cell module |
| Key Function | Energy storage for hybrid electric vehicle (HEV) powertrain |
Compatibility & Applications
This 7.2V 6.5Ah configuration is a classic and widely used standard in Toyota/Lexus hybrid technology. It is fundamentally compatible with the hybrid battery systems of models like the Toyota Alphard 10, Estima ES10W, and Lexus UX250H (2019). These vehicles use a complete high-voltage battery pack that consists of multiple individual 7.2V modules connected in series.
Performance Characteristics
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Proven Durability: Ni-MH batteries are known for their long service life and stable performance under the frequent charge/discharge cycles of hybrid driving.
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Safety & Tolerance: Compared to some other chemistries like Lithium-ion, Ni-MH batteries are more tolerant to overcharging and have a stable thermal profile, contributing to system safety and simplified battery management.
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Advanced Development: Toyota continues to advance this technology, with newer bipolar Ni-MH batteries offering significantly higher power output and faster charge/discharge capabilities for improved hybrid performance.
Important Considerations
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Professional Installation Required: The battery pack in hybrid vehicles operates at high voltages (often over 200V). Installation, replacement, or handling should only be performed by qualified professionals with proper safety equipment and training.
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System Integration: This module is a component of a larger, complex system managed by the vehicle’s Battery Control Unit (BCU), which monitors voltage, temperature, and state of charge. Simple physical compatibility does not guarantee proper system function without correct technical integration.
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Market Availability: Similar individual modules or complete refurbished battery packs are available through specialized automotive parts suppliers and e-commerce platforms















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