
Owner guide · Hyundai of Goshen · Goshen, IN
Hyundai Santa Fe Battery: Type, Charging and Care
Which battery the gas Santa Fe uses, how the manual says to recharge or jump start it, how to recalibrate Idle Stop and Go after a battery change, and what to reset afterward, all from Hyundai's 2027 Santa Fe owner's manual (code MX5a), which covers the Smartstream G2.5 T-GDi engine. If you drive a Santa Fe Hybrid, check your own owner's manual. The label on your own battery is the final word.
What battery does a Hyundai Santa Fe have?
The battery capacity label in the 2027 Santa Fe owner's manual shows a Hyundai AGM70L-DIN: a 12-volt Absorbent Glass Mat (AGM) battery with 70 Ah nominal capacity (20HR), 120 minutes of nominal reserve capacity and a cold-test current of 760 A (CCA, SAE/EN). The manual notes that the actual label in your vehicle may differ from its illustration, so check yours.
Reading the Santa Fe battery label
The manual's Battery capacity label section explains each item on the label it illustrates:
| Label item | Value | What it means |
|---|---|---|
| 1 | AGM70L-DIN | The Hyundai model name of the battery |
| 2 | 12V | The nominal voltage |
| 3 | 70Ah (20HR) | The nominal capacity, in ampere hours |
| 4 | RC 120min | The nominal reserve capacity, in minutes |
| 5 | CCA 760A (SAE/EN) | The cold-test current, in amperes |
From the Battery capacity label section of the 2027 Santa Fe owner's manual (code MX5a), read November 10, 2026; the 2026 edition shows the same label. The manual says the actual battery label in the vehicle may differ from the illustration.
For vehicles with a power liftgate, the same section notes that the power liftgate needs to be reset after the battery has been replaced.
AGM battery rules and Idle Stop and Go
The labeled Santa Fe battery is an Absorbent Glass Mat (AGM) battery, and the manual sets these rules for it:
Dealer service
AGM batteries are maintenance-free and should be serviced by an authorized Hyundai dealer.
AGM charger only
Only charge using fully automatic battery chargers that are specifically for AGM batteries. The ISG section warns that a general battery charger may damage or explode an AGM battery.
Leave the cap on
Do not open or remove the cap on top of the battery. Internal electrolyte could leak and cause severe injury.
Genuine replacement
Use only a genuine Hyundai AGM battery for replacement. If not, the Idle Stop and Go (ISG) system may not operate properly.
ISG sensor calibration
After the AGM battery is reconnected or replaced, ISG does not operate right away. Turn off the engine, disconnect devices added after delivery (such as navigation or a dashcam), wait 4 hours with the engine off, then turn the engine on and off 3 to 4 times.
From the Battery recharging and Idle Stop and Go (ISG) sections of the 2027 Santa Fe owner's manual.
How to recharge a Santa Fe battery
The manual's By battery charger section gives two charging rates, depending on how the battery ran down:
| How the battery discharged | Manual guidance |
|---|---|
| Over a short time, for example headlights or interior lights left on while the vehicle sat | Slow (trickle) charge for 10 hours |
| Gradually, from high electrical load while the vehicle is being used | Recharge at 20-30 A for two hours |
| After a jump start from a good battery | Drive 30 minutes or idle at least 60 minutes before shutting off |
From the Battery recharging section of the 2027 Santa Fe owner's manual. For the AGM battery, use only a fully automatic charger made for AGM batteries.
The manual's charging safety rules: turn off all accessories and stop the engine first; keep flames, sparks and smoking materials away; work outdoors or with plenty of ventilation; wear eye protection; remove the battery from the vehicle to charge it, since you should never recharge it with the vehicle's battery cables connected; stop or slow the charge if the cells begin boiling violently; and remove the negative cable first and install it last. To disconnect the charger, turn off its main switch, unhook the negative clamp, then unhook the positive clamp.
How to jump start a Santa Fe
The manual says jump starting can be dangerous if done incorrectly; if in doubt, have a service technician or towing service do it. Never jump start a frozen battery. The manual's procedure:
- Position the vehicles close enough that the jumper cables can reach, without letting the vehicles touch. Avoid fans and other moving parts in the engine compartment at all times, even with the vehicles turned off.
- Turn off all electrical devices such as radios, lights and air conditioning. Put both vehicles in P (Park), apply the parking brakes, turn both vehicles off and open the hood.
- Identify the positive (+) and negative (-) terminals correctly to avoid a reverse-polarity connection.
- Connect one jumper cable to the red, positive (+) battery terminal of your Santa Fe, then the other end to the red, positive (+) battery or jumper terminal of the assisting vehicle.
- Connect the second cable to the black, negative (-) battery or jumper terminal of the assisting vehicle, then the other end to the chassis ground of your Santa Fe. Do not connect it to the negative (-) jumper terminal of the discharged battery: a spark could cause the battery to explode.
- Start the assisting vehicle, let it run at about 2,000 RPM for a few minutes, then start your Santa Fe.
- Disconnect the cables in the exact reverse order: your chassis ground, the assisting vehicle's negative (-) terminal, the assisting vehicle's positive (+) terminal, then your Santa Fe's positive (+) terminal.
Then keep your Santa Fe running for at least 30 minutes at idle or driving so the battery can start the vehicle on its own; a completely discharged battery may need as long as 60 minutes of runtime to fully recharge. If the vehicle does not start after a few attempts, the manual says it probably requires service and should be inspected by an authorized Hyundai dealer.
From the Jump Starting section of the 2027 Santa Fe owner's manual.
Santa Fe battery care from the owner's manual
For longer battery life, the manual says:
- Keep the battery top clean and dry.
- Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease.
- Rinse any spilled electrolyte from the battery right away with a solution of water and baking soda.
- If the vehicle will not be used for an extended period, disconnect the battery cables.
- If you will not use the vehicle for a long time and it is cold enough for the battery to freeze, fully charge the battery and store it indoors.
- Always keep the battery fully charged to prevent battery case damage in low temperature areas, and never connect unauthorized devices to the battery.
The maintenance schedule in the same manual lists battery condition as an inspection item every 8,000 miles or 12 months, and its at-least-once-a-year list includes cleaning the battery and terminals. Under winter precautions, the manual notes that winter temperatures may affect battery performance, says to inspect the battery and cables, and says an authorized Hyundai dealer or a service station can check the charging level.
From the Battery, maintenance schedule and Winter precautions sections of the 2027 Santa Fe owner's manual.
What to reset after a battery change or disconnect
The manual lists these items as possibly needing a reset after the battery has been discharged or disconnected:
- Auto up/down window
- Power liftgate
- Utility view
- Manual or automatic climate control system
- Integrated memory system
- Clock
- Infotainment system
Want the battery checked? Schedule service or see our battery service near elkhart.
From the Reset items section of the 2027 Santa Fe owner's manual. Items apply where your vehicle has them.
Hyundai of Goshen service hours
| Days | Hours |
|---|---|
| Monday to Friday | 7:30 a.m.-5:30 p.m. |
| Saturday | 8 a.m.-3 p.m. |
From Hyundai of Goshen's website, November 10, 2026. The website lists Monday to Saturday service hours and none for Sunday. Holiday hours can differ.
Hyundai Santa Fe battery questions
What kind of battery does a Hyundai Santa Fe take?
The battery label in the 2027 Santa Fe owner's manual shows a Hyundai AGM70L-DIN: a 12-volt AGM battery with 70 Ah nominal capacity, 120 minutes of reserve capacity and 760 A cold-test current. Check the label on your own battery, since the manual says it may differ from the illustration.
How long should I charge a Santa Fe battery?
The manual says to slow (trickle) charge for 10 hours if the battery ran down over a short time, such as lights left on, or to recharge at 20-30 A for two hours if it ran down gradually under high electrical load. For the AGM battery, use only a fully automatic charger made for AGM batteries.
Can I use a regular battery charger on the Santa Fe AGM battery?
No. The manual says not to recharge the AGM battery with a general battery charger, because it may damage or explode the battery.
How long should I drive after jump starting my Santa Fe?
At least 30 minutes at idle or driving. A completely discharged battery may need as long as 60 minutes of runtime, and the Battery recharging section says to drive 30 minutes or idle at least 60 minutes after a jump from a good battery.
Why does Idle Stop and Go not work after a battery change?
The battery sensor must be calibrated. Turn off the engine, disconnect devices added after delivery, wait 4 hours with the engine off, then turn the engine on and off 3 to 4 times.
How often should the Santa Fe battery be checked?
The maintenance schedule lists battery condition as an inspection item every 8,000 miles or 12 months, and says to clean the battery and terminals at least once a year.
Santa Fe battery acting up?
If your Santa Fe is slow to start, needed a jump, or you want the battery checked before winter, visit Hyundai of Goshen at 3202 Elkhart Road in Goshen, IN, or schedule service online.
Sources
Battery label values, AGM rules, ISG calibration, charging rates and safety steps, jump-starting steps, care tips, the inspection interval and reset items come from Hyundai's 2027 Santa Fe owner's manual (code MX5a, Smartstream G2.5 T-GDi), read November 10, 2026; the 2026 edition has the same battery sections. Your own vehicle's manual and battery label are the final word. Address and hours are from Hyundai of Goshen's own website. Image: Hyundai Motor America.
- Hyundai Santa Fe owner's manual, code MX5a, 2027 edition (PDF): Battery, Battery capacity label, Battery recharging, Reset items, Jump Starting, ISG, Winter precautions, maintenance schedule, Hyundai, read November 10, 2026
- Hyundai Santa Fe owner's manual, code MX5a, 2026 edition (PDF): same battery sections, Hyundai, read November 10, 2026
- Santa Fe (image), Hyundai Motor America, November 10, 2026
- Address, map coordinates, logo and service department hours (structured data), Hyundai of Goshen, November 10, 2026
- Hyundai service at Hyundai of Goshen, Hyundai of Goshen, November 10, 2026