Toyota NiMH Nickel Metal Hydride Battery
Newly developed modular metal casing for compact packaging and improved cooling
The Ni-MH battery used in Highlander Hybrid is packaged in the newly developed metal battery casing.
Although it is only 0.014? (240 cells) in volume, it can deliver high voltage of 288 V. The improved cooling performance reduces loss of efficiency due to heat generation, ensuring that the battery can supply required electric power to the motors at all times.
The battery Monitoring Unit manages discharge and recharging by the generator and motors to keep the charge level constant while the car is running.
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