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20 Best Mazda 6 Key Battery of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Mazda 6 Key Battery of 2023. Check our ranking below.

2,735 Reviews Scanned

Rank No. #1

(2 Pack) CR2025 2025 Remote Key FOB Battery OEM 2009-2020 Replacement for Toyota Mazda 3 6 CX-3 CX-5 CX-9 MX-5 Miata Yaris IA Scion Smart KR55WK49383, WAZX1T768SKE11A03, A04 – (W. Instructions)

Bundle of Two (2) CR2025 Remote Fob Battery and Opening/Pry Tool] - Two item bundle (total 3pcs)
[Original OEM Battery as Provided by Manufacturer] – Same batteries as provided by OEM original manufacturer in all (3 or 4 button) Smart Key remote fobs.
[Avoid a Service Appointment for Battery Replacement] - Battery replacement is simple and remote reprogramming is not required
[Pry Tool Included to Assist with Battery Change] - Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
[Step-By-Step Installation Video Included] - Detailed instructional video included (via link on product packaging) demonstrating the battery replacement procedure

Rank No. #2

(2 PACK) CR2032 2032 REMOTE KEY FOB BATTERY OEM Replacement for 2019-2021+ Mazda 3 6 CX-30 CX-5 CX-9 MX-5 Miata RF CX 30 5 9 Smart Key Remote Keyless Fob fits with FCC ID: WAZSKE11D01, WAZSKE13D03

Bundle of Two (2) CR2032 Remote Fob Battery and Opening/Pry Tool] - Two item bundle (total 3pcs)
[Original OEM Battery as Provided by Manufacturer] – Same batteries as provided by OEM original manufacturer in all (3-4 button) Smart Key remote fobs. (Refer to product images to confirm compatibility)
[Avoid a Service Appointment for Battery Replacement] - Battery replacement is simple and remote reprogramming is not required
[Pry Tool Included to Assist with Battery Change] - Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
[Step-By-Step Installation Video Included] - Detailed instructional video included (via link on product packaging) demonstrating the battery replacement procedure

Rank No. #3

CR2025 2025 REMOTE KEY FOB BATTERY OEM 2009-2020 Replacement for Toyota Mazda 3 6 CX-3 CX-5 CX-9 MX-5 Miata Yaris IA Scion Smart KR55WK49383, WAZX1T768SKE11A03, A04 – (W. INSTRUCTIONS)

CR2025 Remote Fob Battery and Opening/Pry Tool] - Two item bundle
[Original OEM Battery as Provided by Manufacturer] – Same batteries as provided by OEM original manufacturer in all (3 or 4 button) Smart Key remote fobs.
[Avoid a Service Appointment for Battery Replacement] - Battery replacement is simple and remote reprogramming is not required
[Pry Tool Included to Assist with Battery Change] - Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
[Step-By-Step Installation Video Included] - Detailed instructional video included (via link on product packaging) demonstrating the battery replacement procedure

Rank No. #4

Rome Tech Car Key Fob CR2025 Batteries Replacement Compatible with Mazda 3 2004-2018, Mazda 6 2003-2018, CX-5 2013-2019, CX-9 2007-2019- CR 2025 Battery for Key Fob - 1-Pack

Rome Tech CR2025 battery for car remote key compatible with Mazda 3 2004-2018, Mazda 6 2003-2018, CX-5 2013-2019, CX-9 2007-2019. Please, check your car model and the year before purchasing! Match your key fob with image 2 to confirm that the RTB CR2025 3V lithium battery suits your crucial fob.
RTB CR2025 batteries are designed to last longer than traditional CR 2025 batteries. You won't have to replace your CR2025 lithium 3V coin battery as frequently, saving you money and hassle in the long run. Package Includes 1 (One) OEM CR2025 battery
CR2025 lithium 3V coin battery is reliable and provides consistent power to your key fob. This means you can trust CR 2025 battery for key fob to work when you need it most, ensuring you always have access to your car.
CR2025 lithium battery is designed to withstand extreme temperatures, whether hot or cold. Battery CR2025 3V lithium cell robust construction makes it resistant to vibration and impact, ensuring it can withstand the rigours of daily use.
Rome Tech multifunctional CR 2025 3V battery for key fob can be used for various electronic devices such as watches, fitness trackers, calculators, digital cameras, remote controls, and many more.

SaleRank No. #5

Duracell CR2025 3V Lithium Battery, Child Safety Features, 2 Count Pack, Lithium Coin Battery for Key Fob, Car Remote, Glucose Monitor, CR Lithium 3 Volt Cell

BITTER TASTE DISCOURAGES SWALLOWING – Duracell Lithium Coin batteries are the only batteries with a non-toxic, bitter coating to help discourage swallowing
CHILD-SECURE PACKAGING makes Duracell Lithium Coin battery packaging nearly impossible to open without scissors
LONG-LASTING BATTERIES DESIGNED FOR DEPENDABILITY – Duracell Lithium Coin Batteries deliver the long-lasting power and performance you can count on for electronic devices throughout the home or on-the-go
RELIABLE POWER – The Duracell 2025 3V Lithium Coin battery powers both everyday and essential home devices, including key fobs, remote controls, glucose monitors, thermometers, and many more
GUARANTEED FOR 10 YEARS IN STORAGE – Holds power up to a decade in storage, so you can be confident these batteries will be ready when you need them

Rank No. #6

CR1620 1620 OEM Replacement Battery Remote Key Fob Flip Control Fob case shell accessories (Bundle with Tool) for Mazda 2005-2016 2 3 5 6 CX7 CX9 CX 7 9 MX5 RX8 MX 5 RX 8 (KPU41788 BGBX1T478SKE125-01)

CR1620 1620 BATTERY WITH OPENING/PRY TOOL for 2005-2014 Flip/Retractable Remote Key Fobs (2 Item bundle). Guaranteed fresh and long lasting battery. 3v Coin Battery. ORIGINAL OEM Battery as provided by Manufacturer in 2005-2014 Keyless Entry Flip Key Remotes
NOTE: COMPATIBLE WITH FLIP/FOLDING REMOTE KEY FOBS ONLY – Battery is suitable for (3 or 4 button) flip/folding remote key fobs ONLY. It is not the correct battery for OTHER types of Fobs. Please use Amazon Part Finder to verify compatibility.
[Avoid a Service Appointment for Battery Replacement] - Battery replacement is simple and remote reprogramming is not required
[Pry Tool Included to Assist with Battery Change] - Dual purpose opening tool included to help open the remote (without scratching or damaging your remote case) and to remove the battery.
[Step-By-Step Installation Video Included] - Detailed instructional video included (via link on product packaging) demonstrating the battery replacement procedure

SaleRank No. #7

Energizer Battery, 3V Lithium Coin Cell Batteries, Packaging May Vary, Black, 2 Count

2 pack of Energizer 2025 Batteries, 3V Lithium Coin Batteries
Performs in extreme temperatures from -22 F to 140 F
Long-lasting choice for calculators, scales and remote batteries
Coin cell batteries hold power for up to 10 years in storage
Encased in child-resistant packaging to help keep kids safe from ingestion

SaleRank No. #8

Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

COMPATIBLE WITH APPLE AIRTAG: Apple includes a Duracell CR2032 in new AirTag devices. The Duracell CR2032 with bitter coating to help discourage swallowing is the recommended 2032 battery for Apple AirTag.
BITTER TASTE DISCOURAGES SWALLOWING: Duracell Lithium Coin batteries are the only batteries with a non toxic, bitter coating to help discourage swallowing
CHILD SECURE PACKAGING makes Duracell Lithium Coin battery packaging nearly impossible to open without scissors
RELIABLE POWER: The Duracell 2032 3V Lithium Coin battery powers both everyday and essential home devices, including key fobs, remote controls, glucose monitors, thermometers, Apple AirTag and many more
GUARANTEED FOR 10 YEARS IN STORAGE: Holds power up to a decade in storage, so you can be confident these batteries will be ready when you need them

SaleRank No. #9

Energizer 2032 Batteries, Lithium CR2032 Watch Battery Combo Pack, 10 Count

10 Count of Energizer 2032 Batteries, 3V Lithium Coin Batteries
3V lithium coin batteries perform in extreme temperatures from -22 F to 140 F
Long lasting toy, health monitor and remote batteries
Coin cell batteries hold power for up to 10 years in storage
CR2032 3V lithium coin battery enclosed in child-resistant packaging to help keep kids safe from ingestion

SaleRank No. #10

Duracell 2032 Lithium Battery. 6 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Battery Lithium Coin Battery. CR Lithium 3V Cell

COMPATIBLE WITH APPLE AIRTAG: Apple includes a Duracell CR2032 in new AirTag devices. The Duracell CR2032 with bitter coating to help discourage swallowing is the recommended 2032 battery for Apple AirTag.
BITTER TASTE DISCOURAGES SWALLOWING: Duracell Lithium Coin batteries are the only batteries with a non toxic, bitter coating to help discourage swallowing
CHILD SECURE PACKAGING makes Duracell Lithium Coin battery packaging nearly impossible to open without scissors
RELIABLE POWER: The Duracell 2032 3V Lithium Coin battery powers both everyday and essential home devices, including key fobs, remote controls, glucose monitors, thermometers, Apple AirTag and many more
GUARANTEED FOR 10 YEARS IN STORAGE: Holds power up to a decade in storage, so you can be confident these batteries will be ready when you need them

Rank No. #11

(2 PACK) CR2025 2025 Mazda Remote Key Fob Battery OEM Original Replacement (Bundle with Opening Tools) for 1998-2011 Keyless Entry Remotes including Mazda 3 5 6 Protege Miata Millenia, etc.

BUNDLE OF 2 PACK CR2025 BATTERY with remote opening (and battery removal) tool for 3, 4 and 5 Button 1998-2011 Mazda keyless entry remote key fobs (2 Item bundle – 3pcs). Guaranteed fresh and long lasting batteries. 3v Coin Battery
ORIGINAL OEM Battery as provided by Manufacturer in 1998-2011 Mazda Keyless Entry Remotes
OPENING/PRY TOOL INCLUDED – Dual purpose opening tool included to open the remote or remote battery cover (without scratching or damaging your remote) and to help remove the battery from the battery compartment
BONUS: OPENING/PRY TOOL INCLUDED – Pry tool included to assist with opening of remote, and/or removal of battery from battery compartment
EASY TO INSTALL and remote reprogramming not required after installation. Batteries comes individually sealed in blister packaging and 7-10 year future expiry

Rank No. #12

Key Fob Remote Replacement Fits for Mazda MX-5 Miata 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015//Mazda 3 2010-2013/Mazda 6 2009-2013 BGBX1T478SKE125-01 Keyless Entry Remote Control BBM4-67-5RY

★HIGH-QUALITY: Every Single Keyless Entry Remote Control Car Key Fob Is Fully Pre-tested by Professional Locksmith Tools before Shipping. All Our Key Fobs are Pre-installed with Battery and Electronics.
★COMPATIBILITY: This Keyless Remote Key Fob Replacement Is Compatible with Remote cross reference part # BBM4-67-5RY, Flip Head cross reference part # G2YA-76-2GXB and FCC ID:BGBX1T478SKE125-01. CHIP:4D63. This Transmitter Doesn't Work on Push Start Button Vehicles and it only Supports Regular Key Vehicles.
★REPLACEMENT: This Remote Flip Key Is Compatible with 2010-2013 Mazda 3/2009-2013 Mazda 6/2006-2015 Mazda MX-5 Miata. Please Check Our Product Description and Vehicle Fitment Tool for Full Compatible Vehicles List.
★PROGRAMMING: Two available original keys are required for DIY programming.If you do not have two keys, the remote control will need to be programmed at a car locksmith or dealer. The key blade will need to be cut and programmed by a locksmith. Note: If your vehicle has a Smart Entry system (push button ignition), then this flip key will not work.
★PACKING LIST: 1 X 4 Button Keyless Control Key Fob with Electronics and Battery Pre-Installed. 100% Brand New Remote Key Fob and Ready to Program.

Rank No. #13

2x Keyless Option Remote Smart 4btn Key Fob For Mazda (WAZSKE13D01)

Dealer or automotive locksmith programming required
Complete key fob with electronics and a battery, Cut the key blade prior to use
Aftermarket replacement

Rank No. #14

(2 Pack) CR1620 1620 OEM Replacement Battery Remote Key Fob Flip Control Fob case Shell (Bundle with Tool) for Mazda 2005-2016 2 3 5 6 CX7 CX9 CX 7 9 MX5 RX8 MX 5 RX 8 (KPU41788 BGBX1T478SKE125-01)

(2 PACK) CR1620 1620 BATTERY WITH OPENING TOOL BUNDLE for 2005-2014 Flip/Retractable Remote Key Fobs (2 Item bundle – 3pcs). Guaranteed fresh and long lasting batteries. 3v Coin Battery. ORIGINAL OEM Battery as provided by Manufacturer in 2005-2014 Keyless Entry Flip Key Remotes. Two Item Bundle (3pcs total)
OPENING/PRY TOOL INCLUDED – Tool included to assist with battery change (and removal of battery from battery compartment)
NOTE: COMPATIBLE WITH FLIP/FOLDING REMOTE KEY FOBS ONLY – Battery is suitable for (3 or 4 button) flip/folding remote key fobs ONLY. It is not the correct battery for other types of Fobs. Please use Amazon Part Finder to verify compatibility.
INSTALLATION VIDEO INCLUDED – We provide a link to an easy-to-follow detailed instructional video demonstrating the battery replacement process

Rank No. #15

X AUTOHAUX 2pcs 315MHz BGBX1T478SKE125-01 Replacement Keyless Entry Remote Car Key Fob for Mazda 3 Seden 10-13 for Mazda 6 10-13 MX-5 Miata 06-15 Chip 63 80 4 Button

Part Numbers/FCC ID: BGBX1T478SKE125-01 Frequency: 315MHz. Note: Not a key shell, it is a whole key.
Proximity Fob Fits for Mazda 3 Seden 2010-2013, for Mazda MX-5 Miata 2006-2015, for Mazda 6 2010-2013, for Mazda CX-9 2007 2013
Pros of Our Keyless Remote: With built in chip, sensitive response, Fast response, wireless remote control.
Notice Programming: This remote and door key must be programmed and cut by a qualified locksmith or dealership(consult some different locksmiths before programming to ensure it is successful).NOTE a working key fob was needed in order to add a new key.
Package for car key fob: 2 x Car Keyless Entry Remote (Battery Included) Please check the OE number/FCC ID and product picture with the original one before purchase.

Rank No. #16

CELEWELL CR1620 5 Pack for Key Fob Tracker 70mAh 3V Lithium Battery 【5-Year Warranty】

HIGH CAPACITY,MORE DURABLE - With best material, CELEWELL develops high and real capacity 70mAh for CR1620 batteries. However, many cards of ordinary brand batteries are without or with leak capacity. Please keep your eyes open.
PREMIUM PERFORMANCE, SAFER - CELEWELL promises CR1620 batteries no leakage in 5 years, much better than those ordinary batteries with 1-2 years shelf life on the market. ISO9001，UL, CE，RoHS，UN38.3 safety certified.
BRAND WARRANTY - With a professional research and development team,CELEWELL is now famous for producing high quality batteries all over the world With strict quality control plus 5 years CELEWELL brand warranty, CELEWELL’s aim is to make you happy when you buy batteries.(MFG date and warranty date are marked on each battery card package)
MULTIPLE COMPATIBILITY -- Equivalent to other brand models,like 1620 DL1620 ECR1620 BR1620 280-208 DL1620B BR1620-1W CR1620-1W KCR1620 LM1620 5009LC L08 and more 3V Lithium batteries (Because 1620 indicates battery dimensions diameter 16mm and height 2.0mm).
APPLICABLE DEVICES -- Ideal for car key fob (like vw key, mazda 3 key),RKE (remote keyless entry)， watch（Swatch, Fossil, Timex and Casio popular brands）, 3D glasses,wild gloves,Trackr,computer motherboards, calculators, PDAs,LED flashlight and so on.

Rank No. #17

OEM 4-Button Smart Key Fob Remote Compatible with 2014-2018 Mazda 3 & 6 (FCC ID: WAZSKE13D01, P/N: GJY9-67-5DY)

OEM Smart Proximity Key Fob Remote
MUST Be Programmed and Cut by a Professional Automotive Locksmith
OEM Electronics Provide Durability and Longer Range / Stronger Signal than Aftermarket Replacements
Match FCC ID and Part Number in Description to an Existing Remote to Ensure Compatibility with Your Vehicle
Compatible Models: 2014-2018 Mazda 3 Sedan, 2014-2018 Mazda 6, 2016-2019 Mazda MX-5 Miata

Rank No. #18

OCPTY 1 X Flip Key Entry Remote Control Key Fob Transmitter Replacement for 2005-2015 for Mazda 3 6 MX-5 Miata CX-7 CX-9 RX-8 for Mazda 2 for Mazda 5 KPU41788 4238A-41525 -4 Buttons 315Mhz

👍🚗🔑 COMPABITILITY: This is a replacement for specific for Mazda 3 5 6 CX-7 CX-9 MX-5 Miata RX-8 . Detailed vehicle’s Information please check Product Description below
👍🚗🔑 FCC: KPU41788 41525 4238A-41525
👍🚗🔑 PRODUCT INFORMATION: This keyless with Key Blade must be programmed and cut by a qualified locksmith or dealership; before cutting, please make sure the remote programming can work to your vehicle
👍🚗🔑 BENEFIT: Inspect strictly before shipment. Easy to be programmed. A great key fob replacement for worn or broken original items
👍🚗🔑 NOTES: Replacement Keyless Entry Remote Fob with battery and electronics installed. Sorry no Programming Instructions are included in parcel, due to kinds of specific vehicles. But please do email us for your own Vehicle's Instructions or search videos on YouTube

Rank No. #19

【5-Year Warranty】SURPOWER CR2025 3V Lithium Battery for Key Fob 2025-10 Pack

Better quality: SURPOWER is a professional battery manufacturing factory, providing a large number of high-quality batteries for many companies around the world for many years. Our every button battery has strict standard quality inspection, high capacity and high voltage make the battery more stable and durable.
Safety certification: Using high quality core raw materials and precision manufacturing process make SURPOWER button battery no leakage and safer. With CE.ROHS.UN38.3 safety certification.
Better price: SURPOWER brand is factory direct sale, was invited to Amazon.Through retail packaging, wholesale prices, let you have a better shopping experience.
Better after-sales service: The date of production, shelf life and capacity of the battery are clearly marked on the cardboard, please rest assured that the purchase . Please feel free to contact us if you have any problem with the battery after purchase, even if it is caused by non-human factors such as weather and transportation. We will unconditionally provide you with a refund or replacement.
Applicable to the following models:2025,CR2025,DL2025,DL2025B,ECR2025,KCR2025,BR2025,BR2025-1W,CR2025-1W,L12 ,LM2025 ,SB-T14, LF12V ,LF1,5003LC ,208-205

Rank No. #20

LiCB 5 Pack CR1620 Battery, Long-Lasting & High Capacity CR 1620 Lithium Batteries,3V CR1620 Coin & Button Cell for Car Remote & Key Fob

SAFE AND RELIABLE: LiCB Since 2006,Specialize in Battery 12 Years. CR1620 Button Coin Cell Tested under Strict Quality Control Standards. CE and ROHS Certified. Grade A cells CR 1620 Ensure Longer Battery Life and Long Lasting Power.
Long-Lasting AND COST-SAVING:Get the 5 PCS Exact Fresh CR1620 Battery, Have Full 3 Volts Charge, 3 Years Shelf Life.(
SAFETY AND LEAK FREE -- Zero Mercury LiCB CR1620 Batteries Offer Premium Performance in a Variety of Devices. LiCB Batteries are Designed not to Leak in Devices During Their Usage and for up to 3 Years after They are Left in a Device.
MULTIPLE COMPATIBILITY : Equivalent to other Brand Models, Like 1620 , CR1620 , DL1620 , ECR1620 , BR1620 , DL 1620 and Works Perfect for Car remote , Key Fob , Remote Control , Watch, Calculator , Electronic Notebook, Thermometer, Mobile game.
What You Get: 5 PCS CR1620 Batteries in Exact Blister Pack.18-month Warranty and Friendly Customer Service.

Last update on 2023-10-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Mazda 6 Key Battery?

Do you get stressed out thinking about shopping for a great Mazda 6 Key Battery? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Mazda 6 Key Battery, which is why we have assembled a comprehensive list of the greatest Mazda 6 Key Battery available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Mazda 6 Key Battery that you consider buying. Your questions might include the following:

Is it worth buying an Mazda 6 Key Battery?
What benefits are there with buying an Mazda 6 Key Battery?
What factors deserve consideration when shopping for an effective Mazda 6 Key Battery?
Why is it crucial to invest in any Mazda 6 Key Battery, much less the best one?
Which Mazda 6 Key Battery are good in the current market?
Where can you find information like this about Mazda 6 Key Battery?

We’re convinced that you likely have far more questions than just these regarding Mazda 6 Key Battery, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Mazda 6 Key Battery, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Mazda 6 Key Battery. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Mazda 6 Key Battery buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Mazda 6 Key Battery currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Mazda 6 Key Battery has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Mazda 6 Key Battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Mazda 6 Key Battery.
Customer Ratings: Number ratings grade Mazda 6 Key Battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Mazda 6 Key Battery.
Product Quality: You don’t always get what you pay for with an Mazda 6 Key Battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Mazda 6 Key Battery is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Mazda 6 Key Battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Mazda 6 Key Battery is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: How do you open a Mazda key fob?

A: To open a Mazda key fob, press the small button located on the back under the silver key ring. This will allow you to pull the manual accessory key out, and access the fob panel inside to change the battery or clean as needed.

Q: Do car keys have batteries?

A: Car keys nowadays usually come with key fobs or remotes which run off batteries. Car key batteries vary but there are only about ten different batteries that cover most car keys. Here are the five most common car key batteries: 2032.

Q: Does remote car key have battery in it?

A: Car key remotes typically use CR2025 or CR2032 batteries, although CR1620, CR1632, and others are also used in some applications. Once you know what type of battery is in your remote, you can either check the voltage with a multimeter or just swap out a known good battery since they aren’t that expensive.

Q: What kind of battery do I use in my key fob?

A: Your car’s key fob battery powers the fob that makes taking your car for a drive much more convenient. It operates your vehicle’s power locks, remote start, and sometimes it may be needed to drive the vehicle at all. The most common types are CR2025 and CR2032 3-Volt batteries.