Ni‑MH Hybrid Battery Pack for Toyota Prius 4th Gen (ZVW50) (2015-2022)

Product Overview

The Ni-MH Hybrid Battery is a high-reliability traction battery exclusively engineered for the 4th Generation Toyota Prius (ZVW50, 2015–2022). As a core component of Toyota’s advanced Hybrid Synergy Drive (HSD) system, it features premium prismatic Ni-MH cells, a optimized air-cooled thermal management system, and precise voltage 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 Prius ZVW50’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% ZVW50 Compatibility: Tailored for Toyota Prius 4th Gen (ZVW50) 2015–2022, fully matching OEM dimensions, connectors, and HSD system protocols for plug-and-play installation.

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

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

Efficient Air-Cooled System: Forced air cooling with temperature sensor feedback, maintaining battery temperature in the optimal range (-20°C to 55°C) for consistent performance.

Balanced Modular Design: 28 series-connected modules (7.2V each) for stable 201.6V output, ensuring uniform cell voltage and extended cycle life.

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: ≥1,500 full charge-discharge cycles (≥80% capacity retention), adapting to the Prius’s shallow-cycle hybrid working mode.

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

Low Maintenance: Sealed design with no need for electrolyte refilling, ensuring hassle-free long-term use.

Reliable Temperature Adaptability: Stable performance in extreme climates, with minimal capacity decay in low (-20°C) and high (55°C) temperature environments.

3. Specifications

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

Fitment: Toyota Prius 4th Generation (ZVW50) 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022

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

Module Configuration: 28 prismatic Ni-MH modules (7.2V each)

Cell Type: Prismatic Ni-MH (Nickel-Metal Hydride)

Nominal Capacity: 6.5Ah (per module); Total pack capacity: ~182Ah (consistent with OEM specifications)

Cooling System: Forced air cooling (integrated with vehicle’s HVAC system)

Peak Discharge Rate: 25C (supports hybrid motor assist peak current demand)

Operating Voltage Range: 180V – 220V

Cycle Life: ≥1,500 cycles (capacity retention ≥80% after cycles)

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

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

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

Pack Dimensions (L×W×H): 710mm × 310mm × 110mm (OEM-matched size)

Approximate Pack Weight: 40–42 kg

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

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

Connector Type: OEM-matched high-voltage connectors (plug-and-play with vehicle’s wiring harness)