Prius Nickel Hydride Batteries Have Long Legs

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When Toyota introduced the Prius Hybrid, it told Green Car Reports the secondary batteries were life-of-car components. They would last for ‘hundreds of thousands of miles’ because they were nickel-metal-hydride batteries. We spotted a chat on East Bay Times suggesting Prius nickel hydride batteries are proving to be up to that task.

Some Prius Nickel Hydride Batteries Good for 355,000 Miles

Dan Fisher from Los Gatos began the conversation. “My electric battery finally died when I had 355,000 miles on my 2004 Prius hybrid,” he said. Doug Fairburn from the same town in Santa Clara County, California had a similar experience.

“My 2006 Prius clocked 250,000-plus miles with no sign of deterioration in mileage. I only gave up the car last year because the catalytic converter needed replacement. I was looking at a $3,000 repair bill so replaced it with another Prius with only 76,000 miles. Happy driving with Prius nickel hydride batteries!”

Let’s Pause and Learn More About a Prius Secondary Battery

Continuing the Conversation on East Bay Times

Ed Tang from Sunnyvale not far away appeared equally positive. “We have a Lexus RX400h 2007. It has done 202,000 miles on the original batteries, and it is doing very well. I had Lexus check the electrical system and they found everything OK.”

Prius nickel hydride batteries have similar positive electrodes to nickel-cadmium (nicad) ones. However, their negative ones are different because they don’t use cadmium. They use a hydrogen absorbing alloy instead and this beefs up their density three times. In fact they are almost as good as lithium in that regard.

Replacement Prius hybrid batteries cost around $4,000. They had an eight-year guarantee, or ten in California and other states adopting its emission regulations.  But of course that’s over now and  expired.

Related

Hybrid and Electric Vehicle’s Batteries

What is a Nickel Metal Hydride Battery?

Preview Image: Toyota Prius: Cutaway of Battery Pack

Video Share Link: Replacing a 2004 Prius Hybrid Battery

Link to East Bay Times Article

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About Author

Richard

I tripped over a shrinking bank balance and fell into the writing gig unintentionally. This was after I escaped the corporate world and searched in vain for ways to become rich on the internet by doing nothing. Despite the fact that writing is no recipe for wealth, I rather enjoy it. I will not deny I am obsessed with it when I have the time. My base is Umtentweni in South Africa on the Kwazulu-Natal South Coast. I work from home where I ponder on the future of the planet, and what lies beyond in the great hereafter. Sometimes I step out of my computer into the silent riverine forests, and empty golden beaches for which the area is renowned. Richard Farrell

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