2. What are the warning signs of a failing Kia Optima Hybrid battery?

Common symptoms include: Decreased fuel economy Warning lights like “Check Hybrid System” Fluctuating battery charge readings Reduced acceleration or sluggish performance Gas engine running more often than usual

4. What warranty options are available?

We offer three flexible warranty packages: 1-Year / 12,500 Miles 2-Year / 30,000 Miles 3-Year / 45,000 Miles

2017 – 2021 Kia Optima Hybrid Battery

Q: 1. How long does a 2017–2021 Kia Optima Hybrid battery last?

Most Kia Optima Hybrid batteries last between 8–10 years or 100,000–150,000 miles. Factors like climate, driving habits, and maintenance can shorten or extend the lifespan.

Q: 3. How much does a replacement Kia Optima Hybrid battery cost?

At Ace Hybrid Tech, the 2017–2021 Kia Optima Hybrid battery replacement costs between $2,400 and $5,500, depending on the warranty package you select.

Q: 6. How long does it take to replace a Kia Optima Hybrid battery?

The process typically takes a few hours, including diagnostic testing, safe removal, installation, calibration, and road testing.

Q: 7. Why should I choose Ace Hybrid Tech?

We specialize exclusively in hybrid and EV battery replacement, offering affordable pricing, certified technicians, and warranties up to 3 years / 45,000 miles — often saving customers thousands compared to dealership prices.

Rated 4.67 out of 5 based on 3 customer ratings

(3 reviews)

SKU: Kia-O-17-21 Categories: EV & Hybrid Batteries, KIA

Hybrid Battery
Installation:$300.00
Sales Tax:8.75%
Part numbers:37510-G0000

Need help? Call us.

Real Electrical Engineers
Open 6 Days Per Week to Serve You
Top Warranties in the Industry
We Service All Makes of Hybrid Vehicles, plus EVs
Mobile Service Possible

Price range: $ 2400.00 through $ 5500.00

Select Warranty :

1-Year/ 12,500 Mile
2-Year/ 30,000 Mile
3-Year/ 45,000 Mile

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Description

2017–2021 Kia Optima Hybrid Battery Replacement | Ace Hybrid Tech

Restore your Kia Optima Hybrid (2017–2021) to peak performance with a reliable replacement hybrid battery from Ace Hybrid Tech, California’s leading hybrid battery specialists. Our certified technicians provide professional installation, system calibration, and safety testing to ensure long-lasting performance.

We offer three warranty-backed battery options designed to fit your driving needs:

1-Year / 12,500-Mile Warranty Battery

2-Year / 30,000-Mile Warranty Battery

3-Year / 45,000-Mile Warranty Battery

If your Optima Hybrid shows warning lights, reduced fuel efficiency, or sluggish acceleration, it may be time to replace the hybrid battery. Ace Hybrid Tech offers free diagnostics to confirm the issue before any work begins.
Choose Ace Hybrid Tech for:
Certified hybrid experts
Affordable pricing
Warranty-backed batteries
Fast, same-day service

Get your Kia Optima Hybrid running like new again.
Call Ace Hybrid Tech today for your free diagnostic and professional hybrid battery replacement!

Full Battery Pack Replacement.
Choice of Price and Warranty Options to Meet Your Needs.
We Use Only Genuine O.E.M. Parts; No After-Market Parts.
Parts and Labor are Covered Under Warranty, at No Cost to You.
We Save Our Customers Thousands of Dollars over The Dealer!

Core Exchange: Core Exchange is required for these prices.

If this is a battery exchange, with no installation on our part, or a shipping order, the customer will need to pay a Refundable Core Deposit of $500.00 which will be gladly Refunded when we receive the old hybrid battery back.

Shipping:

Shipping Is Available for This Product.

We will Only Ship to Authorized Auto Repair Facilities. Sorry, No exceptions.

A Business License, and Re-Seller’s Permit are Required for this purchase to be shipped.

Please consult your Local Hybrid Repair Facility, or Auto Mechanic about providing Installation.

The two-way shipping cost is approximately $300.00. The shipping amount, if any, will be added to your order at checkout. We will contact you if the shipping charge exceeds $300.00 for any reason. Sorry, No International Shipping.

Call us (714) 728-9393 for availability & our specials.

FAQ

Most Kia Optima Hybrid batteries last between 8–10 years or 100,000–150,000 miles. Factors like climate, driving habits, and maintenance can shorten or extend the lifespan.

Common symptoms include:

Decreased fuel economy
Warning lights like “Check Hybrid System”
Fluctuating battery charge readings
Reduced acceleration or sluggish performance
Gas engine running more often than usual

At Ace Hybrid Tech, the 2017–2021 Kia Optima Hybrid battery replacement costs between $2,400 and $5,500, depending on the warranty package you select.

We offer three flexible warranty packages:

1-Year / 12,500 Miles
2-Year / 30,000 Miles
3-Year / 45,000 Miles

In some cases, replacing a few failing modules may temporarily restore performance. However, for the 2017–2021 Kia Optima Hybrid, a full battery replacement is usually more reliable and cost-effective in the long run.

The process typically takes a few hours, including diagnostic testing, safe removal, installation, calibration, and road testing.

We specialize exclusively in hybrid and EV battery replacement, offering affordable pricing, certified technicians, and warranties up to 3 years / 45,000 miles — often saving customers thousands compared to dealership prices.

Product Features

Select Warranty :	1-Year/ 12,500 Mile, 2-Year/ 30,000 Mile, 3-Year/ 45,000 Mile, 5-Year/ 75,000 Mile

Reviews

Rated 5 out of 5

Michael 5 October 2025

I was nervous about replacing my Kia Optima Hybrid battery, but Ace Hybrid Tech made it easy. The price was fair, and the team explained every step. My car drives like it did when it was brand new — smooth and efficient. Highly recommend them!
Rated 4 out of 5

Sarah 5 October 2025

Ace Hybrid Tech diagnosed my hybrid system for free and confirmed I needed a new battery. They gave me warranty options and helped me choose the 3-year package. The whole process was quick, and their technicians were super professional
Rated 5 out of 5

Carlos G., San Diego, CA 5 October 2025

Ace Hybrid Tech knows hybrids inside and out. I’ve been to other places that guessed what was wrong, but these guys really understand the technology. My Optima runs great, and I’m saving on gas again!