It is always difficult when it comes to decide and making final call choosing battery for subaru legacy, hence we are here today so be sure to check the product reviews that will solve your confusion and save time. Reviews are a great way to find out if the product is right for you and whether it has any design flaws. If there are multiple bad reviews, you may want to look at other products. Negative reviews can tell you a lot about the product, including things you may not have thought to consider. They can tell you about any potential issues with the product. They can also tell you about issues with the manufacturer’s customer service. To help you out, we’ve collected reviews of what we think are the battery for subaru legacy this year. Before you proceed with anything, read through our thoughts on the top battery for subaru legacy, as well as an overview of what you need to know when considering your buying
In this in-depth review guide, we will discuss about the best battery for subaru legacy.
A Quick Comparison of Our Favorites
1
Mighty Max Battery MM-G35 Start and Stop Car BCI Group Size 35 12V 55Ah, 100RC, 650 CCA Rechargeable AGM Car Battery
9.5
Amazon.com
2
Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable AGM Car Battery
9
Amazon.com
3
uuam Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote Key (Check Fitment Guide) (Pack of 2)
8.7
Amazon.com
4
(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or...
8.2
Amazon.com
5
Mighty Max Battery MM-G26R Group Size 26R 12V, 45Ah, 80RC, 540 CCA, Replacement Battery Compatible with Subaru Legacy Outback 4 Cylinders 4 2.2L 96
8.2
Amazon.com
6
Key fob Replacement Battery for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote CR2032 Batteries
8
Amazon.com
7
Mighty Max Battery MM-G35 Group Size 35 12V, 55Ah, 100RC, AGM, 650 CCA, Replacement Battery Compatible with Subaru Forester 19-23
7.7
Amazon.com
8
Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs
7.5
Amazon.com
9
Key Fob Battery Replacement for Subaru Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ, Smart Remote (Check Fitment Guide) 2 Packs CR2032 Batteries
7.2
Amazon.com
10
Key Fob Batteries for Subaru (2-Pack) CR1620 – Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca/B9 Tribeca, WRX – Subaru Key Fob Battery...
6.9
Amazon.com
The Best battery for subaru legacy
Mighty Max Battery MM-G35 Start and Stop Car BCI Group Size 35 12V 55Ah, 100RC, 650 CCA Rechargeable AGM Car Battery
$149.99
in stock
Amazon.com
Features
| Part Number | MM-G35 |
| Model | MM-G35 |
| Warranty | 1 Year Manufacturers Warranty |
| Color | Black |
| Size | Group 35 |
- Fast Starting Power: This 12V 55Ah 650 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 100-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
- All Power, No Mess AGM Design: Sealed and spill-proof, the MM-G35 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
- Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
- Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
- Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
- Dimensions: Sized at 9.06 x 6.89 x 8.82 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
- Included: Each battery includes mounting screws for quick, hassle-free installation.
- Not Included: Wire harness and mounting accessories are not included.
- 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.
Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable AGM Car Battery
$149.99
in stock
Amazon.com
Features
| Part Number | MM-H5 |
| Model | MM-H5 |
| Warranty | 1 Year Manufacturers Warranty |
| Color | Black |
| Size | Group 47 |
| Edition | 1st Edition |
- Fast Starting Power: This 12V 60Ah 680 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 100-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
- All Power, No Mess AGM Design: Sealed and spill-proof, the MM-H5 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
- Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
- Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
- Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
- Dimensions: Sized at 9.53 x 6.88 x 7.48 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
- Included: Each battery includes mounting screws for quick, hassle-free installation.
- Not Included: Wire harness and mounting accessories are not included.
- 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.
uuam Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote Key (Check Fitment Guide) (Pack of 2)
$8.99
in stock
Amazon.com
Features
| Part Number | Remote Key Fob Battery |
| Model | Subaru Key Fob Battery CR2032 |
| Warranty | 2 Years |
| Color | Original Chrome |
- Pack Including: Two (2) Pieces CR2032 Remote Key Fob Batteries and Opening/Pry Tools - Five item bundle (total 5pcs), Please check Amazon details Confirmed Fit to ensure that this is the correct battery for your remote.
- Original Battery as Provided by Manufacturer. Compatible with 2015-2025 Subaru smart fobs. Not compatible with standard Subaru keys that have the key sticking out of the fob. May be compatible with certain fobs prior to 2015. PLEASE NOTE: Keyless entry remote fob not included.
- Avoid a service appointment by replacing your keyless entry remote fob battery yourself. Detailed easy-to-follow video provided to demonstrate the battery change process. (without scratching or damaging your remote case) .
- Includes step-by-step installation videos - contains detailed instructional videos (via the link on the product packaging) that demonstrate the battery replacement process.
- Easy to Install : Avoid a Service Appointment for Battery Replacement , Battery replacement is simple and remote reprogramming is not required. Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
Mighty Max Battery MM-G26R Group Size 26R 12V, 45Ah, 80RC, 540 CCA, Replacement Battery Compatible with Subaru Legacy Outback 4 Cylinders 4 2.2L 96
$189.99
in stock
Amazon.com
Features
| Part Number | MM-G26R-506 |
| Model | MM-G26R-506 |
| Warranty | 1 Year Manufacturers Warranty |
| Color | Standard |
| Size | Standard |
- Fast Starting Power: This 12V 45Ah 540 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 80-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
- All Power, No Mess AGM Design: Sealed and spill-proof, the MM-G26R is built with high discharge output and deep discharge recovery to keep power steady when it counts.
- Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
- Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
- Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
- Dimensions: Sized at 8.38 x 6.88 x 7.56 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
- Included: Each battery includes mounting screws for quick, hassle-free installation.
- Not Included: Wire harness and mounting accessories are not included.
- 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.
(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or...
$8.98
$9.89
in stock
Amazon.com
Features
| Model | CR2032 Subaru Key Fob Battery |
| Warranty | 1 year manufacturer |
- **Please check the second product image to confirm compatibility. (Installation Videos + Tools Included)**
- Compatible with the following Subaru remotes - Subaru Ascent – 2019-2024, Subaru Baja - 2003-2006, Subaru BRZ - 2014-2024 , Subaru Crosstrek – 2018-2024, Subaru Forester – 2019-2021, Subaru Impreza – 2017-2024, Subaru Legacy – 2018-2024, Subaru Outback CVT – 2019-2021, Subaru STI – 2019-2020, Subaru WRX – 2019-2024.(FHYQ14AHX or 2AOKM-SB4)
- ORIGINAL OEM BATTERY - Original OEM Battery as Provided by Manufacturer, ensuring seamless compatibility and maximum performance for your fob. (Long Lasting with long expiry date.)
- STABLE VOLTAGE OUTPUT & HIGH PERFORMANCE - Using high quality core raw materials and precision manufacturing process make battery safer.(PLEASE NOTE: Keyless entry remote fob not included.)
- HIGH SAFETY AND EASY INSTALLATION - Avoid a service appointment for battery replacement, remote reprogramming is not required. Opening/Pry Tool included to help you open the remote without scratching or damaging your remote case.
Key fob Replacement Battery for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote CR2032 Batteries
$8.98
in stock
Amazon.com
Features
| Part Number | S-CR203201 |
| Model | S-CR2032-1 |
| Warranty | 2 Years |
- Original OEM Battery as Provided by Manufacturer - Same batteries as provided by OEM original manufacturer in all (3 or 4 button) Head Key remote fobs.
- Compatible with Subaru Key Fobs Including - Subaru Ascent (2019-2024), Subaru Baja (2003-2006), Subaru BRZ (2014-2024) , Subaru Crosstrek (2018-2024), Subaru Forester (2019-2021), Subaru Impreza (2017-2024), Subaru Legacy (2018-2024), Subaru Outback CVT (2019-2021), Subaru STI (2019-2020), Subaru WRX (2019-2024)
- Includes Installation Tools - Includes dual-purpose opening tool to help open the remote control (without scratching or damaging the remote control case) and remove the battery.
- Avoid a Service Appointment for Battery Replacement - Remote reprogramming is not required, and battery replacement is simple. Avoid expensive dealer service charges by replacing your key fob battery yourself!
- Includes (2) original premium CR2032 3V batteries. Keyless entry remote fob not included.
Mighty Max Battery MM-G35 Group Size 35 12V, 55Ah, 100RC, AGM, 650 CCA, Replacement Battery Compatible with Subaru Forester 19-23
$149.99
in stock
Amazon.com
Features
| Part Number | MM-G35 |
| Model | MM-G35-553 |
| Warranty | 1 Year Manufacturers Warranty |
| Color | Black |
| Size | Group 35 |
- Fast Starting Power: This 12V 55Ah 650 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 100-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
- All Power, No Mess AGM Design: Sealed and spill-proof, the MM-G35 is built with high discharge output and deep discharge recovery to keep power steady when it counts.
- Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
- Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
- Rechargeable and Versatile: Mounts in multiple positions (excluding upside down) for flexible vehicle installation.
- Dimensions: Sized at 9.06 x 6.89 x 8.82 inches, ready to fit your ride with ease. Polarity is easy to spot, with the positive terminal on the right and the negative on the left.
- Included: Each battery includes mounting screws for quick, hassle-free installation.
- Not Included: Wire harness and mounting accessories are not included.
- 3 Year Warranty: Mighty Max strength, long-haul protection, and confidence that you’re powered to the max.
Pinochi CR1620 Key fob Battery Replacement for Subaru (2010-2020) Crosstrek Forester Ascent Impreza Legacy Outback WRX (3 or 4 Button) Head Key Fobs
$9.79
in stock
Amazon.com
Features
| Warranty | 2 year manufacturer |
- Bundle of Two (2) CR1620 Remote Fob Battery + (3) Opening/Pry Tool.[Installation video included]
- OEM CR1620 BATTERIES - Same batteries as provided by OEM original manufacturer in all Subaru (3 or 4 Button) HEAD FOB key fobs (as shown in product photo) , fit FCC ID’S CWTB1G077, CWTWBU766 and CWTWB1U811.
- SAFE AND RELIABLE - Tested under Strict Quality Control Standards. Long Battery Life and Long Lasting Power.
- SIMPLIFIES BATTERY REPLACEMENT: Avoid expensive dealer service charges by easily replacing your key fob battery yourself! No need to schedule battery replacement service, no need to reprogram remote control.
- INSTALLATION TOOLS INCLUDED: The included tool helps to open the remote control and remove the batteries without damaging the remote control case.(Keyless entry remote fob not included.)
Key Fob Battery Replacement for Subaru Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ, Smart Remote (Check Fitment Guide) 2 Packs CR2032 Batteries
$5.97
in stock
Amazon.com
Features
| Part Number | Key Fob Battery Replacement for Subaru |
| Model | Subaru Key fob batteries CR2032 |
| Warranty | 2 Years |
- PACKAGE INCLUDED : Two (2) CR2032 Remote Fob Battery and Opening/Pry Tools , Five item bundle (total 5pcs) , PLEASE NOTE: Keyless entry remote fob not included.
- GENUINE QUALITY : Original OEM Battery as Provided by Manufacturer , Same batteries as provided by OEM original manufacturer in 2015-2025 Subaru remote fobs with FCC ID HYQ14AHX. (Check fitment guide).
- EASY INSTALLTION: Avoid a Service Appointment for Battery Replacement , Battery replacement is simple and remote reprogramming is not required. Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
- VIDEO INSTALLTION: Step-By-Step Installation Video Included , Detailed instructional video included (via link on product packaging) demonstrating the battery replacement procedure.
- PRY TOOLS : to Assist Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
Key Fob Batteries for Subaru (2-Pack) CR1620 – Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca/B9 Tribeca, WRX – Subaru Key Fob Battery...
$9.99
in stock
Amazon.com
Features
| Part Number | Car Key Fob Battery Replacement |
| Model | Key Fob Batteries for Subaru CR2032 |
| Warranty | 90 Days |
| Size | CR2032 2 Pack |
- Comprehensive Replacement Kit – Two CR1620 coin batteries for a quick, seamless Subaru key fob swap.
- OEM-Quality Cells – High-purity 3V lithium CR1620 for strong signal, precise fit, and reliable performance.
- Wide Subaru Compatibility – For fobs that specify CR1620: Ascent (2019–2021), Crosstrek (2013–2025), Forester (2014–2025), Impreza (2012–2025), Legacy (2008–2025), Outback (2008–2025), Tribeca/B9 Tribeca (2006–2014), WRX (2015–2024). Always confirm your battery code is CR1620.
- Not Compatible – ✘ Ascent (2025) ✘ Baja ✘ BRZ ✘ Solterra ✘ WRX (2025); also not for remotes using CR2032/CR2025/CR1632, rechargeable/built-in cells, or any key that does not list CR1620. Verify your battery code before purchase.
- Install Video – Follow our step-by-step video to finish in minutes while helping protect your key fob case during battery replacement.
The Video Review of Best battery for subaru legacy
Conclusion
When you’re looking for battery for subaru legacy, you’ll want to keep a few things in mind. First, decide what you want to use the battery for subaru legacy for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on battery for subaru legacy you want to buy battery for subaru legacy, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.