---
title: "2025-2026 Subaru Forester Battery: Group 35"
description: "The 2025-2026 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/2025-2026/battery"
updated: "2026-08-21"
---

# 2025-2026 Subaru Forester Battery Size (BCI Group and CCA)

The 2025-2026 Subaru Forester uses a BCI group 35 battery. Fitment, replacement notes, and what to check before you buy.

**Quick answer**: The 2025-2026 Subaru Forester uses a Group 35 battery.

## 2025-2026 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: 12V accessory battery only, the Hybrid's separate lithium-ion traction battery pack is a sealed, high-voltage component serviced only by trained technicians. Non-hybrid trims continue with an EFB Group 35 supporting standard start-stop.

## Which Subaru Forester model years does this cover?

These battery specifications apply to every Subaru Forester built from 2025 through 2026, the SL (6th generation), compact crossover suv (subaru global platform, redesigned). Nothing in this specification changes between those model years.

- [2025 Forester](https://whichcarparts.com/cars/subaru/forester/2025)
- [2026 Forester](https://whichcarparts.com/cars/subaru/forester/2026)

## What changed during the 2025-2026 Subaru Forester

| Years | What changed |
| --- | --- |
| 2025 | All-new SL-generation redesign, unveiled October 2024 for the 2025 model year; adds a factory Forester Hybrid (S:HEV) for the first time in the US; base horsepower rises slightly to 180 |
| 2026 | Carryover year; no major mechanical changes identified |

## 2025-2026 Subaru Forester battery: common questions

### What size battery does a 2025-2026 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 2025-2026 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 2025-2026 Subaru Forester?

Engine bay, driver side.

### Does a 2025-2026 Subaru Forester need the battery registered after replacement?

12V accessory battery only, the Hybrid's separate lithium-ion traction battery pack is a sealed, high-voltage component serviced only by trained technicians. Non-hybrid trims continue with an EFB Group 35 supporting standard start-stop.

## Sources

- [Wikipedia, Subaru Forester generations (SL)](https://en.wikipedia.org/wiki/Subaru_Forester)
- [Subaru Media, Subaru debuts all-new 2025 Forester SUV (press release)](https://media.subaru.com/pressrelease/2123/1/subaru-debuts-all-new-2025-forester-suv-new)
- [Car and Driver, Tested: 2025 Subaru Forester Hybrid (specs, mpg, curb weight, tire size)](https://www.caranddriver.com/reviews/a64352235/2025-subaru-forester-hybrid-drive/)
- [AMSOIL lookup, 2025 Forester 2.5L FB25D oil spec/capacity (0W-16, 4.6 qt)](https://www.amsoil.com/lookup/auto-and-light-truck/2025/subaru/forester/2-5l-4-cyl-engine-code-fb25d-1/)
- [sportsubarusouth.com, Subaru Forester oil type by model year (2025, incl. S:HEV hybrid)](https://www.sportsubarusouth.com/subaru-research/subaru-forester-oil-type/)
- [KBB, 2025 Subaru Forester specs (180 hp across trims)](https://www.kbb.com/subaru/forester/2025/specs/)
- [Subaru.com, 2025 Forester Hybrid Edition (194 combined hp, e-CVT)](https://www.subaru.com/vehicles/forester/hybrid/2025.html)
- [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)
- [Conley Subaru, Forester lug nut torque by model year](https://www.conleysubaru.com/subaru-research/subaru-forester-lug-nut-torque/)

## Other Subaru Forester generations

- [2019-2024 Subaru Forester battery](https://whichcarparts.com/cars/subaru/forester/2019-2024/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 2025-2026 Subaru Forester

- [Oil & filter](https://whichcarparts.com/cars/subaru/forester/2025-2026/oil)
- [Tires & wheels](https://whichcarparts.com/cars/subaru/forester/2025-2026/tires)
- [Wiper blades](https://whichcarparts.com/cars/subaru/forester/2025-2026/wipers)
- [Air & cabin filters](https://whichcarparts.com/cars/subaru/forester/2025-2026/filters)
- [Bulbs](https://whichcarparts.com/cars/subaru/forester/2025-2026/bulbs)
- [Brakes](https://whichcarparts.com/cars/subaru/forester/2025-2026/brakes)
- [Fluids](https://whichcarparts.com/cars/subaru/forester/2025-2026/fluids)
- [Service schedule](https://whichcarparts.com/cars/subaru/forester/2025-2026/service-schedule)
- [Problems & reliability](https://whichcarparts.com/cars/subaru/forester/2025-2026/common-problems)
- [Oil light reset](https://whichcarparts.com/cars/subaru/forester/2025-2026/oil-reset)
- [Key fob battery](https://whichcarparts.com/cars/subaru/forester/2025-2026/key-fob-battery)
- [Specs](https://whichcarparts.com/cars/subaru/forester/2025-2026/specs)

Specifications vary with engine option, production date, and market.