--- title: "2014-2018 Subaru Forester Battery: Group 35" description: "The 2014-2018 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/2014-2018/battery" updated: "2026-08-21" --- # 2014-2018 Subaru Forester Battery Size (BCI Group and CCA) The 2014-2018 Subaru Forester uses a BCI group 35 battery. Fitment, replacement notes, and what to check before you buy. **Quick answer**: The 2014-2018 Subaru Forester uses a Group 35 battery. ## 2014-2018 Subaru Forester battery specifications (High confidence) | Spec | Value | | --- | --- | | BCI group size | 35 | | Battery type | FLOODED | | AGM required | No | | Location | Engine bay, driver side | Note: Standard flooded Group 35 battery. ## Which Subaru Forester model years does this cover? These battery specifications apply to every Subaru Forester built from 2014 through 2018, the SJ (4th generation), compact crossover suv. Nothing in this specification changes between those model years. - [2014 Forester](https://whichcarparts.com/cars/subaru/forester/2014) - [2015 Forester](https://whichcarparts.com/cars/subaru/forester/2015) - [2016 Forester](https://whichcarparts.com/cars/subaru/forester/2016) - [2017 Forester](https://whichcarparts.com/cars/subaru/forester/2017) - [2018 Forester](https://whichcarparts.com/cars/subaru/forester/2018) ## What changed during the 2014-2018 Subaru Forester | Years | What changed | | --- | --- | | 2014 | Full redesign: all-new SGP-adjacent platform, FA20DIT turbo replaces the EJ25 turbo and moves to the CVT, first EyeSight availability on Forester | | 2015 | Standard rearview camera added across all trims; 18-in wheels become available on the 2.5i | | 2016 | New touchscreen-based infotainment interface across the lineup, with a standard 6.2-in touchscreen on the base 2.5i trim | | 2017 | Facelift: revised front/rear styling, updated infotainment, LED headlight option on Touring | | 2018 | Final year of this generation | ## 2014-2018 Subaru Forester battery: common questions ### What size battery does a 2014-2018 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 2014-2018 Subaru Forester need an AGM battery? The factory battery is a conventional flooded type. AGM is a valid upgrade, but never downgrade from AGM to flooded. ### Where is the battery on a 2014-2018 Subaru Forester? Engine bay, driver side. ### Does a 2014-2018 Subaru Forester need the battery registered after replacement? Standard flooded Group 35 battery. ## Sources - [Wikipedia, Subaru Forester generations (SJ)](https://en.wikipedia.org/wiki/Subaru_Forester) - [subaruforester.org, 2017 Forester engine oil capacity thread (5.1 qt, FB25)](https://www.subaruforester.org/threads/2017-engine-oil-capacity.832865/) - [AMSOIL lookup, 2016 Forester 2.0L FA20F Turbo oil spec/capacity](https://www.amsoil.com/lookup/auto-and-light-truck/2016/subaru/forester/2-0l-4-cyl-engine-code-fa20f-3-turbo/) - [MotorWeek, 2014 Subaru Forester review (2.0XT: 250 hp / 258 lb-ft, ~23/28 mpg)](https://motorweek.org/road_tests/2014_subaru_forester/) - [subaruforester.org, 2014 Forester 2.0XT HP and torque discussion](https://www.subaruforester.org/threads/2014-forester-2-0xt-hp-and-torque.134114/) - [turbochargersdirect.com, Subaru banjo bolt oil feed line/cylinder head connection explainer](https://turbochargersdirect.com/subaru-tsb-banjo-bolt-at-oil-feed-line-and-cylinder-head-connection/) - [NHTSA, Recall 19V701000 product campaign bulletin (WUM-98, passenger ODS sensor)](https://static.nhtsa.gov/odi/rcl/2019/RCRIT-19V701-9656.pdf) - [Consumer Reports, Subaru Forester SUVs recalled for airbag deactivation risk](https://www.consumerreports.org/car-recalls-defects/subaru-forester-suvs-recalled-for-airbag-deactivation-risk/) - [classaction.org, Subaru windshield settlement given preliminary approval](https://www.classaction.org/news/subaru-windshield-settlement-given-preliminary-approval-reimbursements-extended-warranty-available) - [tirecalculatorhub.com, Subaru Forester OEM tire size guide by year](https://tirecalculatorhub.com/guides/subaru-tire-calculator) - [wiperhaus.com, Subaru Forester wiper blade size guide](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) - [2019-2024 Subaru Forester battery](https://whichcarparts.com/cars/subaru/forester/2019-2024/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 2014-2018 Subaru Forester - [Oil & filter](https://whichcarparts.com/cars/subaru/forester/2014-2018/oil) - [Tires & wheels](https://whichcarparts.com/cars/subaru/forester/2014-2018/tires) - [Wiper blades](https://whichcarparts.com/cars/subaru/forester/2014-2018/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/subaru/forester/2014-2018/filters) - [Bulbs](https://whichcarparts.com/cars/subaru/forester/2014-2018/bulbs) - [Brakes](https://whichcarparts.com/cars/subaru/forester/2014-2018/brakes) - [Fluids](https://whichcarparts.com/cars/subaru/forester/2014-2018/fluids) - [Service schedule](https://whichcarparts.com/cars/subaru/forester/2014-2018/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/subaru/forester/2014-2018/common-problems) - [Oil light reset](https://whichcarparts.com/cars/subaru/forester/2014-2018/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/subaru/forester/2014-2018/key-fob-battery) - [Specs](https://whichcarparts.com/cars/subaru/forester/2014-2018/specs) Specifications vary with engine option, production date, and market.