Dean McCrary Kia Service Center · Mobile, AL
Kia EV9 Battery Replacement
12V Accessory Battery · Not the HV Traction Battery
The EV9 has two batteries: a small 12V AGM battery that runs accessories and electronics, and a separate high-voltage traction battery that drives the car. This page — and this service — covers only the 12V battery; the HV pack is covered by Kia's EV battery warranty, not a routine replacement. Factory-trained technicians, upfront pricing, free testing at every visit — and every service is logged automatically against your Warranty Forever coverage.
12VAGM accessory battery, not the HV pack
Kiafactory-trained technicians
Freebattery testing, every visit
3-5yrtypical 12V battery life, tested not guessed
Paylater — easy service financing
$0recall & software check, every visit
Kia EV9 12V Battery Price & Coupons
Select your Kia EV9 to see current 12V battery pricing and coupons — every replacement includes free testing and correct installation. Prefer to spread it out? Service financing lets you pay over time.
Select Your Vehicle to See Specials
Select your vehicle above to see available service specials
✦ Claim This Offer
No obligation. Our service team responds within 1 business hour. We never sell your information.
Offer Claimed!
Pricing shown for the Kia EV9's 12V accessory battery at Dean McCrary Kia of Mobile, 1733 E I-65 Service Rd S. Plus tax and shop supplies. Coupons cannot be combined with other offers. See service advisor for complete details.
More Ways to Save
Dean McCrary Kia thanks the people who serve our community. These discounts stack on top of current service pricing — just bring valid ID and mention it when you book. And when timing is tight, service financing financing lets you service now and pay over time.
Military Discount
Active-duty, reserve, and veteran service members qualify for a discount on Kia service. Present valid military ID at check-in and we’ll apply it to your battery replacement.
First Responder Discount
Police, firefighters, EMTs, and paramedics qualify for a first responder discount on Kia service. Present valid ID at check-in — our way of saying thank you.
Service Now, Pay Later
Split any service or repair into easy monthly payments with service financing — a quick application at check-in, and checking your options won’t affect your credit score. See how it works.
What’s Included in EV9 12V Battery Replacement
One upfront price for the complete job — correct AGM battery, proper install, and a low-voltage electrical system check.
Free Battery Test
Load-tested at every visit so you replace on evidence, not guesswork.
Correct Battery Type
The correct AGM battery, matched to the EV9’s always-on electronics load.
Terminal & Cable Check
Corrosion cleaned, connections tightened for a solid charge path.
Charging System Check
Low-voltage charging system verified so the new 12V battery charges properly.
When Does the EV9 Need a New 12V Battery?
EV9 12V Battery Life
Most 12V AGM batteries last about 3 to 5 years. Sustained heat — not cold — is generally the biggest factor that shortens battery life, which is widely documented across the industry, though not an EV9-specific figure.
That makes Gulf Coast summers particularly hard on batteries. We test 12V battery health as part of every service visit, so you know where yours stands before it leaves you stranded. This is separate from the EV9’s high-voltage traction battery, which carries its own 10-year/100,000-mile warranty (15-year/150,000-mile in CARB states) and isn’t a routine replacement item. See the full plan on the Kia EV9 maintenance schedule.
Signs You Need a Battery
Don’t wait for a no-start — if you notice any of these, bring your EV9 in for a free 12V battery test:
Slow to power on or wake up
Dimming headlights or interior lights
Battery warning light on the dash
Accessory or infotainment system resets
Corrosion visible on the battery terminals
Which Battery Service Does Your EV9 Need?
Not every battery job is the same. Here’s how the three levels compare — your advisor recommends the right one after testing.
Test & Charge
When the battery is borderline
Load test and charge cycle
Terminal cleaning included
New battery not included
Most Common
Standard 12V Battery
Base trims
New 12V AGM battery
Terminal cleaning & low-voltage system check
Correct group size for your EV9
AGM 12V (EV-Spec)
Higher electronics load trims
Built for the EV9’s always-on electronics load
Supports higher accessory/infotainment demand
Higher cost than a standard battery
We test first and always confirm the correct 12V battery for your EV9 trim — this never touches the separate high-voltage traction battery.
Why Get Your Battery Done at Dean McCrary Kia?
A dead battery always seems to happen at the worst time. Here’s what only your Kia dealer brings — at pricing that competes with the shop down the street.
Factory-Trained Kia Technicians
Our techs know the EV9’s 12V system specs and won’t confuse it with the separate high-voltage traction battery.
Correct 12V Battery Type
The right AGM battery, matched to the EV9’s always-on electronics load. The wrong battery can shorten life or cause accessory glitches.
Recall & Software Checks — Free
Open recalls, campaigns, and software updates can only be done at a Kia dealer. We check for all three at every visit. Check your recalls.
Warranty Forever, Documented
Every visit here is recorded automatically against your factory warranty and Warranty Forever requirements — no receipts to save, no gaps to explain.
Transparent, Upfront Pricing
We test first, then quote — and you approve the work before we start. No surprise add-ons at checkout.
We Know What Kias Need
Seeing plenty of EV9s a month means we stock the right 12V battery for the trims that come through our bays every day.
Kia Battery Replacement FAQs
How Much Does a Kia EV9 12V Battery Replacement Cost?⌄
Kia EV9 12V battery pricing includes free testing and installation. Select your Kia EV9 above to see current pricing and coupons. Military and First Responder discounts are available with valid ID and stack on top of current pricing.
Does This Page Cover the EV9’s High-Voltage Battery?⌄
No. This page covers only the EV9’s small 12V accessory battery, which powers electronics and accessories. The separate high-voltage traction battery that drives the car is covered by Kia’s 10-year/100,000-mile EV battery warranty (15-year/150,000-mile in CARB states) and isn’t a routine replacement item.
How Long Does the EV9’s 12V Battery Last?⌄
Most 12V AGM batteries last about 3 to 5 years. Sustained heat, not cold, is generally the biggest factor that shortens battery life, which makes Gulf Coast summers particularly hard on batteries. We test battery health at every service visit so you replace on evidence, not guesswork.
Why Does an EV Need a 12V Battery at All?⌄
The EV9’s high-voltage traction battery powers the drive motors, but a small 12V AGM battery still runs the accessories, infotainment, lights, and the low-voltage electronics that wake up the rest of the car. It’s always working, so it wears differently than a gas car’s start-battery.
What Are the Signs My Kia EV9’s 12V Battery Is Failing?⌄
Common signs include the car being slow to power on, accessory or infotainment resets, dimming interior lights, or a 12V battery warning light on the dash. Extreme heat can cause a battery to fail with little warning, so we recommend testing before every summer.
Is Battery Testing Free at Dean McCrary Kia?⌄
Yes. 12V battery testing is included as part of our multi-point inspection at every service visit, so you always know your battery’s condition before it leaves you stranded.
Can I Finance My Kia EV9 Service?⌄
Yes — Dean McCrary Kia offers service financing: service now, pay later. Split your oil change, brake job, or any repair into monthly payments — the application takes about a minute at check-in, and checking your options won’t affect your credit score.
Reviews & Testimonials
Read All ReviewsWhat Service Customers Say
★★★★★
“The service department operated smoothly, the communication was excellent, and the overall atmosphere made the experience stress-free and enjoyable. It’s clear the staff takes pride in providing high-quality service and building lasting relationships with their customers. I highly recommend Dean McCrary Kia to anyone looking for reliable vehicle service and outstanding customer care.”
Lloyd · Service Customer
★★★★★
“The best dealership I’ve ever experienced buying a car from. Their service and parts departments are great too — always fast and very friendly.”
Ryan · Service & Parts Customer
★★★★★
“The entire team at Dean McCrary Kia creates an environment where the customer feels supported and valued.”
Deb · Service Customer
Keep Your EV9 Running Right
Your 12V battery is one part of the picture. Explore the rest of your EV9’s care — all under one roof at Dean McCrary Kia.
Visit the Service Center
On the east side of the I-65 Service Road near Airport Blvd — easy to reach from anywhere in Mobile or across the bay in Baldwin County.
Department Hours
Service
Parts
Kia EV9 12V Battery Replacement Near Me — Dean McCrary Kia in Mobile, AL
Dean McCrary Kia tests and replaces the 12V accessory battery for every Kia EV9, serving Mobile, Daphne, Spanish Fort, Saraland, and the Alabama Gulf Coast. Every service includes free testing, terminal and cable inspection, and a low-voltage system check by factory-trained technicians — this does not cover the separate high-voltage traction battery.
Kia EV9 12V Battery Price & Coupons
12V battery pricing includes free testing and installation. Select your Kia EV9 on this page to see current pricing and coupons. Military and First Responder discounts are available with valid ID.
How Long Does the EV9’s 12V Battery Last?
Most 12V AGM batteries last about 3 to 5 years. Sustained heat is generally the biggest factor that shortens battery life, which makes Gulf Coast summers hard on batteries.
Signs Your EV9 Needs a New 12V Battery
The car being slow to power on, accessory or infotainment resets, dimming interior lights, or a 12V battery warning light all indicate it’s time for a battery test.
12V Battery vs. the High-Voltage Traction Battery
The 12V AGM battery runs accessories and electronics; the separate high-voltage traction battery drives the car and is covered by Kia’s EV battery warranty, not a routine replacement.