Toyota Prius Owner's Manual page 593

Electric motor (Traction motor)
Type
Maximum output
Maximum torque
Hybrid battery (traction battery)
Type
Voltage
Capacity
Quantity
Overall voltage
Lubrication system
Oil capacity
(Drain and refill 
*
reference )
With filter
Without filter
*
: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up the engine and turn off the hybrid system, wait more
than 5 minutes, and check the oil level on the dipstick.
PRIUS_OM_OM47A19E_(EE)
Permanent magnet motor
60 kW
207 N•m (21.1 kgf•m, 153 ft•lbf)
Nickel-Metal hydride battery
7.2 V/module
6.5 Ah (3HR)
28 modules
201.6 V
4.2 L (4.4 qt., 3.7 Imp.qt.)
3.9 L (4.1 qt., 3.4 Imp.qt.)
6-1. Specifications
6
593