What size battery is in the Lexus RX450h+?
The Lexus RX450h+ uses an 18.1 kWh lithium-ion battery pack.
The RX450h+ is Lexus’s plug-in hybrid version of the RX lineup, designed to offer electric-only driving for short trips while also using its gasoline engine for longer journeys. The 18.1 kWh battery is the core energy storage that enables this hybrid functionality and supports improved efficiency in everyday driving. While usable energy can vary with temperature and charging state, 18.1 kWh is the nominal capacity cited by Lexus for this model.
Battery specifications
Key figures and what they mean for performance are listed below.
- Battery type: Lithium-ion rechargeable energy storage
- Nominal capacity: 18.1 kWh (gross)
- Purpose: Powers the electric motors and supports the petrol engine to improve efficiency
These numbers indicate the RX450h+ can operate in electric mode for a limited range, aiding fuel efficiency, especially in city driving or short commutes.
Charging and practical use
Charging the battery and how it translates to real-world use are shaped by the car’s PHEV configuration and driving conditions.
- Charging method: Rechargeable via plug-in external charger (AC charging)
- Energy delivery: Supports electric-only operation when the battery has charge
- Charging times: Depend on the charger’s power, battery temperature, and vehicle state of charge
In practice, owners typically charge the RX450h+ at home or in public charging spots to maximize electric driving and minimize gasoline use, with the battery topping up between trips.
Summary
The Lexus RX450h+ employs an 18.1 kWh lithium-ion battery pack to enable plug-in hybrid operation, offering electric driving for short trips and enhanced efficiency during longer journeys. Its charging is straightforward via external chargers, and actual electric range depends on conditions and driving style.
