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hi, is it true hybrid battery life expectancy is about ten years?

reasonable to think the hybrid battery life could be much longer?

given that we can't drive our cars if hybrid battery fails, starting to think about what now for car.

my 2011 has about 90,000 miles and no change so far in hybrid system operation. the sonata hybrid has been reliable, no issues aside from routine maintenance. i'd like to keep the car going another ten years/90,000 miles

dealer quotes new battery at around $6500.

greentech auto, about $3300 installed. greentech says its battery is lipo, lg cells.

are other owners waiting for their hybrid batteries to fail?

or, preemptively replacing them to avoid what could be very long tow if on a trip with ten year old battery?

or, trading in their cars?

much appreciate hearing from others on this.
 

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I have heard 11 years then some cells begin to fail. Rebuilders change out the cells less than 3.5volts. If this battery is losing power then the gas engine has to make up the difference. So just watch your MPG, for battery condition.
 

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I have 2011 SH. Recently I've got CEL on, error code P1B74 which means high voltage battery controller or battery issue. It started just 1 month later on 10YR warranty expired.
So searched up Google with "Hybrid Battery repair", and luckily found one near my house and replaced battery pack with a refurbished one over $1500.
Amazingly I could find several Hybrid Car battery repair shops.
I am highly recommended Triton Hybrid Battery Repair in DC metro area.
 
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