Li-ion polymer
Hyundai/Kia 1.6T Hybrid (TMED) 270V 1.49 kWh Lithium-ion Polymer Battery
The Hyundai/Kia 1.6T Hybrid (TMED) 270V 1.49 kWh Lithium-ion Polymer Battery is the high voltage battery in the Hyundai Tucson Hybrid (2022-2026), Hyundai Santa Fe Hybrid (2021-2027), Kia Sorento Hybrid (2021-2026) and more.
At a Glance
- Li-ion polymer chemistry
- 270 volts nominal
- 9 modules
Specifications
| Chemistry | Li-ion polymer |
|---|---|
| Cell format | pouch |
| Nominal voltage | 270 V |
| Modules | 9 |
| Capacity | 5.5 Ah |
| Energy | 1.49 kWh |
| Location | under the vehicle floor (Tucson Hybrid and Santa Fe Hybrid ERGs: under the chassis) |
Cars That Use It
- Hyundai Tucson Hybrid 2022-2026 NX4 Run the checklist
- Hyundai Santa Fe Hybrid 2021-2027 TM 2021-2023 and MX5 2024+; 1.49 kWh/270V on 2021, 2024 and 2027 sheets Run the checklist
- Kia Sorento Hybrid 2021-2026 MQ4; Kia lists 270V, 6 Ah, 1.5 kWh (2021-2022) and 6.0 Ah, 1.0 kWh (2024-2026), 88 lb Run the checklist
- Kia Sportage Hybrid 2023-2027 NQ5; Kia 270V, 5.5 Ah, 1.49 kWh, 64 kW, 37.5 kg (82.7 lb); 2027 sheet: Lithium-ion (Pouch), 36.0 kg Run the checklist
- Kia Carnival Hybrid 2025-2027 KA4; Kia 270V, 5.5 Ah, 1.49 kWh, 42.5 kg; ERG: Li-ion polymer 270V/5.5Ah/1.49kWh Run the checklist
What Goes Wrong
Reported failures, each from a source listed below, as of October 7, 2026.
- Owner complaints NHTSA lists under the Hybrid Propulsion System component for the Hyundai Santa Fe Hybrid, Hyundai Tucson Hybrid, Kia Sportage Hev, Kia Sportage Hybrid, by model year: 2022: 1 · 2022: 1 · 2023: 1 · 2024: 1 · 2024: 1. These are all hybrid system complaints, owner reported and unverified, not only battery faults, as of 2026-10-07.
Warranty
For 2021-2022 model years, Hyundai's Owner's Handbooks list the Hybrid, Plug-in Hybrid and Electric Vehicle System, including the high-voltage battery, at 10 years/100,000 miles with repairs restoring at least 70% of original capacity, which covers the 2021-2022 Santa Fe Hybrid and 2022 Tucson Hybrid; later years and the Kia models were not confirmed from a booklet. (hyundaiusa.com: 2022_Owners_Handbook_Warranty.pdf, 2026-10-07)
Get This Pack Tested
Do not open it yourself. The pack can hurt you with the car switched off.
Sources
- hyundainews.com: 44988-SantaFeHEVandPHEVProductBriefing021821pptx.pdf
- hyundainews.com: 43638-2021SantaFeSpecs.pdf
- hyundainews.com: 58816-2024SantaFeSpecs030524.pdf
- hyundainews.com: 72757-2027-santa-fe-specs-features-20260715a.pdf
- hyundainews.com: 47936-2022TucsonProductGuideSpecs072921.pdf
- hyundainews.com: 59411-2025TucsonSpecifications032224A.pdf
- kiamedia.com: specifications
- kiamedia.com: specifications
- kiamedia.com: specifications
- kiamedia.com: specifications
- kiamedia.com: specifications
- kiamedia.com: specifications
- kiamedia.com: specifications
- boronextrication.com: 2025-KIA-Emergency-Rescue-Guide-Manual_KA4-CARNIVAL-HEV_ISO.
- hyundaiusa.com: america-best-warranty
- kia.com: warranty
- boronextrication.com: Emergency-Reponse-Guide-Santa-Fe-Hybrid-2024MY.pdf
- boronextrication.com: Emergency-Response-Guide-Tucson-Hybrid-2025MY.pdf
- hyundaiusa.com: 2022_Owners_Handbook_Warranty.pdf
- mass.gov: download
- NHTSA complaints, 2022 Hyundai Santa+Fe+Hybrid
- NHTSA complaints, 2022 Hyundai Tucson+Hybrid
- NHTSA complaints, 2024 Hyundai Tucson+Hybrid
- NHTSA complaints, 2023 Kia Sportage+Hev
- NHTSA complaints, 2024 Kia Sportage+Hybrid
Last updated October 7, 2026. Failure and recall notes are as of that date. Spotted a mistake, or speaking for a maker? Report an error.
Hybrid Battery Test is independent. It is not affiliated with, sponsored by or endorsed by Hyundai, Kia. Names and part numbers are used only to identify the vehicle and the part.