Toyota Prius Generation 2 Produced 2004, 2005, 2006, 2007, 2008, 2009

Battery Pack

Modules: 28

Nominal Voltage per Module: 7.2 volts

Total Nominal Voltage: 201.6 volts

Type: Nickel-Metal Hydride (NiMH) Prismatic NiMH Battery NP2.0

Manufacturer: Panasonic/Primearth EV Energy Co., Ltd. (4)

Powertrain

ICE (Internal Combustion Engine)

Displacement: 1.5 liters

Cylinders: 4

Horsepower: 76

Electric Motor

Horsepower: 34

Kilowatts: 24

Combined System Output: 110 Horsepower (2)

Hybrid System Functionality:

The high-voltage battery pack stores electrical energy for the electric motor, allowing electric-only driving under certain conditions and assisting the gasoline engine during acceleration to improve fuel efficiency and reduce emissions (3)

Additional Information on Prismatic NiMH Battery NP2.0

Output Density: 1,300 W/kg

Energy Density: 46 Wh/kg

Nominal Voltage: 7.2V

Nominal Capacity: 6.5Ah

Output: 1350W

Weight: 1040g

Outer Dimensions (mm): 19.6(W) × 106(H) × 285(L) (4)

References

1. Energizer Brands, LLC. (2018). Handbook and Application Manual Nickel Metal Hydride. Retrieved from <https://data.energizer.com/pdfs/nickelmetalhydride_appman.pdf>

2. Ovonic Battery Company. (2010). Heat Tolerant NiMH Batteries for Stationary Power. Retrieved from <https://www.vertiv.com/48df58/globalassets/documents/battcon-static-assets/2010/heat-tolerant-nimh-batteries-for-stationary-power.pdf>

3. Battery University. (n.d.). What's the Best Battery? Retrieved from <https://batteryuniversity.com/article/whats-the-best-battery>

4. Primearth EV Energy Co., Ltd. (n.d.). Battery Module NP2. Retrieved from <https://www.peve.jp/en/product/np2/>

Citations

[1] https://data.energizer.com/pdfs/nickelmetalhydride_appman.pdf

[2] https://www.vertiv.com/48df58/globalassets/documents/battcon-static-assets/2010/heat-tolerant-nimh-batteries-for-stationary-power.pdf

[3] https://batteryuniversity.com/article/whats-the-best-battery

[4] https://www.peve.jp/en/product/np2/