--- title: "2019-2024 Subaru Forester Battery: Group 35" description: "The 2019-2024 Subaru Forester uses a BCI group 35 battery. Fitment, replacement notes, and what to check before you buy." url: "https://whichcarparts.com/cars/subaru/forester/2019-2024/battery" updated: "2026-08-21" --- # 2019-2024 Subaru Forester Battery Size (BCI Group and CCA) The 2019-2024 Subaru Forester uses a BCI group 35 battery. Fitment, replacement notes, and what to check before you buy. **Quick answer**: The 2019-2024 Subaru Forester uses a Group 35 battery. ## 2019-2024 Subaru Forester battery specifications (Check your manual) | Spec | Value | | --- | --- | | BCI group size | 35 | | Battery type | EFB | | AGM required | No | | Location | Engine bay, driver side | Note: Factory battery is an Enhanced Flooded Battery (EFB) in a Group 35 case, needed for the standard auto start-stop system. An AGM Group 35 replacement is commonly used and supports start-stop. ## Which Subaru Forester model years does this cover? These battery specifications apply to every Subaru Forester built from 2019 through 2024, the SK (5th generation), compact crossover suv (subaru global platform). Nothing in this specification changes between those model years. - [2019 Forester](https://whichcarparts.com/cars/subaru/forester/2019) - [2020 Forester](https://whichcarparts.com/cars/subaru/forester/2020) - [2021 Forester](https://whichcarparts.com/cars/subaru/forester/2021) - [2022 Forester](https://whichcarparts.com/cars/subaru/forester/2022) - [2023 Forester](https://whichcarparts.com/cars/subaru/forester/2023) - [2024 Forester](https://whichcarparts.com/cars/subaru/forester/2024) ## What changed during the 2019-2024 Subaru Forester | Years | What changed | | --- | --- | | 2019 | Generation launch on the Subaru Global Platform; direct-injected FB25D replaces the port-injected FB25; no turbo XT offered in the US; EyeSight standard | | 2022 | Wilderness trim introduced with raised suspension, all-terrain tires, and additional underbody protection | | 2024 | Final model year of this generation before the SL redesign | ## 2019-2024 Subaru Forester battery: common questions ### What size battery does a 2019-2024 Subaru Forester take? BCI group 35. Group size is a physical dimension and terminal-position standard, so a battery from a different group may not clamp down or may put the terminals on the wrong side. ### Does the 2019-2024 Subaru Forester need an AGM battery? The factory battery is an EFB type. Match the type when you replace it. ### Where is the battery on a 2019-2024 Subaru Forester? Engine bay, driver side. ### Does a 2019-2024 Subaru Forester need the battery registered after replacement? Factory battery is an Enhanced Flooded Battery (EFB) in a Group 35 case, needed for the standard auto start-stop system. An AGM Group 35 replacement is commonly used and supports start-stop. ## Sources - [Wikipedia, Subaru Forester generations (SK)](https://en.wikipedia.org/wiki/Subaru_Forester) - [AMSOIL lookup, 2020 Forester 2.5L FB25D oil spec/capacity](https://www.amsoil.com/lookup/auto-and-light-truck/2020/subaru/forester/2-5l-4-cyl-engine-code-fb25d-1/) - [subaruforester.org, FB25DI correct oil level / capacity discussion (4.4 qt per owner's manual)](https://www.subaruforester.org/threads/fb25di-correct-oil-level-clarify-how-to-measure-oil-level-non-fb25di-posts-will-be-deleted.832532/) - [Subaru Service Bulletin 09-119-24, Thermo Control Valve Warranty Extension (2019-21MY Forester)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253930-0001.pdf) - [Reddit r/SubaruForester, Subaru now covering TCV issues for 2019+ models](https://www.reddit.com/r/SubaruForester/comments/1bvqbgk/psa_subaru_is_now_covering_thermo_control_valve/) - [classaction.org, Subaru windshield settlement given preliminary approval](https://www.classaction.org/news/subaru-windshield-settlement-given-preliminary-approval-reimbursements-extended-warranty-available) - [classaction.org, Subaru lawsuit: 2019-2025 vehicles, parasitic battery drain (Taylor v. Subaru)](https://www.classaction.org/news/subaru-lawsuit-says-2019-2025-vehicles-plagued-by-electrical-system-defect-causing-parasitic-battery-drain) - [Reddit r/subaru, 2019-2020 CVT warranty extension to 10 yr/100k thread](https://www.reddit.com/r/subaru/comments/1ltsv9m/20192020_us_cvt_warranty_extension_to_10/) - [Reddit r/subaru, 2019 Forester front brake rotor sizes (294/316mm front, 285mm rear)](https://www.reddit.com/r/subaru/comments/1nvat0r/2019_subaru_forester_front_rotor_question/) - [tirecalculatorhub.com, Subaru Forester OEM tire size guide by year](https://tirecalculatorhub.com/guides/subaru-tire-calculator) - [wiperhaus.com, 2024 Subaru Forester windshield wiper blade size](https://wiperhaus.com/blogs/subaru-forester-information/2024-subaru-forester-windshield-wiper-blade-size) ## Other Subaru Forester generations - [2025-2026 Subaru Forester battery](https://whichcarparts.com/cars/subaru/forester/2025-2026/battery) - [2014-2018 Subaru Forester battery](https://whichcarparts.com/cars/subaru/forester/2014-2018/battery) - [2012-2013 Subaru Forester battery](https://whichcarparts.com/cars/subaru/forester/2012-2013/battery) Or [compare all generations](https://whichcarparts.com/cars/subaru/forester/battery). ## More for the 2019-2024 Subaru Forester - [Oil & filter](https://whichcarparts.com/cars/subaru/forester/2019-2024/oil) - [Tires & wheels](https://whichcarparts.com/cars/subaru/forester/2019-2024/tires) - [Wiper blades](https://whichcarparts.com/cars/subaru/forester/2019-2024/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/subaru/forester/2019-2024/filters) - [Bulbs](https://whichcarparts.com/cars/subaru/forester/2019-2024/bulbs) - [Brakes](https://whichcarparts.com/cars/subaru/forester/2019-2024/brakes) - [Fluids](https://whichcarparts.com/cars/subaru/forester/2019-2024/fluids) - [Service schedule](https://whichcarparts.com/cars/subaru/forester/2019-2024/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/subaru/forester/2019-2024/common-problems) - [Oil light reset](https://whichcarparts.com/cars/subaru/forester/2019-2024/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/subaru/forester/2019-2024/key-fob-battery) - [Specs](https://whichcarparts.com/cars/subaru/forester/2019-2024/specs) Specifications vary with engine option, production date, and market.