Ni‑MH Hybrid Battery Pack for Toyota Corolla Cross (2021–2022)

Product Overview

The Ni-MH Hybrid Battery is a high-reliability traction battery exclusively engineered for the Toyota Corolla Cross Hybrid (2021–2022) (XG10/XG20 series). As a core component of Toyota’s proven Hybrid Synergy Drive (HSD) system, it features premium prismatic nickel-metal hydride cells, a compact air-cooled design, and precise electronic calibration. Fully OEM-compatible in dimensions, electrical parameters, and connector layout, this battery delivers stable electric assist, efficient regenerative braking, and consistent fuel economy—perfectly restoring the Corolla Cross Hybrid’s original hybrid performance for aging vehicles or replacement needs. It meets Toyota’s strict quality standards, ensuring long-term durability and seamless integration with the vehicle’s hybrid control unit.

2. Key Features

100% Corolla Cross Compatibility: Tailored for Toyota Corolla Cross Hybrid 2021–2022 (XG10/XG20), fully matching OEM specifications for plug-and-play installation.

Premium Prismatic Ni-MH Cells: High-grade nickel-metal hydride cells with low self-discharge (≤3% per month) and stable charge/discharge performance.

HSD-Optimized Performance: Calibrated for Toyota’s Hybrid Synergy Drive, supporting smooth electric assist, regenerative braking, and low-speed EV mode operation.

Efficient Air-Cooled System: Forced air cooling with integrated temperature sensors, maintaining optimal battery temperature (-20°C to 55°C) for consistent performance.

Compact Modular Design: 28 series-connected 7.2V modules forming a 201.6V system, ensuring balanced voltage, long cycle life, and a space-saving footprint.

OEM-Level Safety: Built-in overcharge, over-discharge, over-current, short-circuit, and over-temperature protection, compliant with Toyota’s safety standards.

Long Cycle Life: ≥3,000 shallow charge-discharge cycles (≥80% capacity retention), ideal for the hybrid’s daily operating mode.

Plug-and-Play Installation: Direct replacement with no modifications required, matching original mounting points, wiring harnesses, and BMS compatibility.

Low Maintenance: Sealed, maintenance-free design with no need for electrolyte refilling or water top-ups.

Extreme Climate Adaptability: Stable performance in hot and cold conditions, with minimal capacity decay in frigid (-20°C) or high-temperature (55°C) environments.

3. Specifications

Battery Type: Nickel-Metal Hydride (Ni-MH) Hybrid Traction Battery

Fitment: Toyota Corolla Cross Hybrid (2021, 2022) | XG10/XG20 Series | FWD & E-Four AWD

Nominal Voltage: 201.6V (28 modules × 7.2V, series connection)

Cell Configuration: 168 prismatic Ni-MH cells (1.2V each)

Nominal Capacity: 6.5Ah (6500mAh)

Total Energy: ~1.31 kWh

Cooling System: Forced air cooling (active thermal management)

Peak Discharge Rate: 30C (195A, 10-second pulse)

Continuous Discharge: 12C (78A, 60-second pulse)

Operating Voltage Range: 180V – 220V

Cycle Life: ≥3,000 cycles (80% DOD, capacity retention ≥80%)

Self-Discharge Rate: ≤3% per month (at 25°C)

Operating Temperature: -20°C to 55°C (optimal: 15–35°C)

Protection Functions: Overcharge, over-discharge, over-current, short-circuit, over-temperature

Dimensions (L×W×H): ~680mm × 300mm × 105mm (OEM-matched)

Approximate Weight: ~38 kg

Connector Type: OEM-compatible high-voltage connectors

Warranty: 3 years / 100,000 km (capacity decay ≤20% within warranty)

Compliance: ISO 9001, IEC 61951-2, Toyota OEM quality standards