N8B2-14B227-AD OEM Hybrid Battery DC Inverter Converter Module for Land Rover
Part Number: N8B2-14B227-AD (OEM Genuine Land Rover)
Product Name: Hybrid Battery DC Inverter Converter Module (48V-to-12V DC-DC Converter)
Status: Used
This is an original equipment manufacturer (OEM) power conversion module designed exclusively for Land Rover’s 48V mild hybrid (MHEV) powertrain systems. It serves as the core electrical interface between the vehicle’s high-voltage 48V hybrid battery and the low-voltage 12V auxiliary electrical system, ensuring stable power distribution across all vehicle electronics. Built to JLR’s factory specifications, it integrates voltage conversion, energy management, and safety protection functions in a compact, vehicle-specific package.
Key Functions
- 48V-to-12V Voltage Conversion: Converts high-voltage 48V DC from the hybrid battery to regulated 12V DC to power all 12V vehicle systems (lighting, infotainment, ECU, sensors, etc.).
- Battery Charging & Energy Management: Maintains charge of the 12V starter battery; supports regenerative braking energy recovery to optimize hybrid system efficiency.
- High/Low Voltage Isolation: Physically and electrically isolates 48V and 12V circuits to prevent cross-circuit risks and ensure electrical safety.
- Multi-Layer Safety Protection: Includes over-voltage, under-voltage, over-current, over-temperature, and short-circuit protection to safeguard the module and connected systems.
- CAN Bus Communication: Communicates real-time voltage, current, and status data with the vehicle’s hybrid control unit (HCU) and engine control module (ECM) via CAN bus for intelligent power regulation.
- Diagnostic Compatibility: Supports JLR diagnostic tools (e.g., SDD, Pathfinder) for fault code reading, programming, and system calibration after installation.
- Compatible Models (Land Rover 48V MHEV Only)
This module is engineered for Land Rover 48V mild hybrid (MHEV) vehicles (2020–2024 model years, gasoline 2.0L/3.0L engines). Final fitment must be verified by VIN and production date.
Core Compatible Models
- Defender (L663): 90, 110, 130 (3.0L I6 MHEV; 2020–2023, up to VIN P2133629)
- Range Rover (L460): 3.0L I6 MHEV (2022–2024)
- Range Rover Sport (L461): 3.0L I6 MHEV (2022–2024)
- Discovery 5 (L462): 2.0L/3.0L MHEV (2021–2024)
- Range Rover Velar (L560): 2.0L/3.0L MHEV (2020–2024)
- Range Rover Evoque (L551): 2.0L MHEV (2020–2024)
- Discovery Sport (L550): 2.0L MHEV (2020–2024)
Important Notes
Exclusively for 48V MHEV: Not compatible with PHEV, full EV, or non-hybrid gasoline/diesel models.
RHD/LHD Compatibility: Fits both right-hand drive (RHD) and left-hand drive (LHD) variants of the listed models.
Cross-References: Replaces OEM part numbers: LR176473, 433123464, LR131043
