Finding the right key fob battery for your 2012 Toyota Camry can be confusing. You might be staring at a dead remote and wondering which battery to buy.
With so many options online, it’s hard to know which one fits your specific key. The wrong size won’t work and can even damage the fob’s housing. You need the correct battery type for a quick and easy swap.
We looked at the most popular replacement batteries for the 2012 Camry. Some are perfect for the standard key, while others fit the smart remote. It all depends on the key style that came with your car.
This guide will help you pick the right battery the first time. Let’s get your key fob working like new again.
| Product Image | Product Name | Best For | Check Price |
|---|---|---|---|
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Key Fob Replacement Batteries for Toyota Traditional Key | Traditional Key Head | PRICES |
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Car Key Battery for Toyota Camry (2012-2017) | 2012-2017 Camry Keys | PRICES |
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Key Fob Replacement Batteries for Toyota Smart Remote | Smart Key Remotes | PRICES |
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Key Fob Replacement Batteries for Toyota CR1632 | Older Toyota Models | PRICES |
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Pinochi CR2016 Key Fob Replacement Batteries for Toyota | Wide Toyota Compatibility | PRICES |
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uuam Key Fob Replacement Batteries for Toyota CR1632 | CR1632 Battery Needs | PRICES |
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Toyota Key Fob Battery Replacement Kit – CR2032 | Easy Installation | PRICES |
Key Fob Replacement Batteries for Toyota Traditional Key

This two-pack is made for Toyota’s traditional key fob style. It fits the key with the remote built into the key head itself.
You get two batteries so you have a spare for next time. The fit is exact for the Camry’s standard key from this era. I found the installation to be straightforward with a small flat tool.
Just be sure to check your key type before buying. This one works with the key that has buttons on the head, not the smart key.
Pros:
👍 Perfect fit for traditional key head
👍 Comes in a handy two-pack
👍 Good power output for strong signal
👍 Easy to install yourself
👍 Fair price for the quality
Cons:
👎 Only fits the traditional key style
👎 No installation tool included
👎 Not for smart key remotes
My Honest Opinion:
If you have the standard key for your 2012 Camry, this battery is a solid pick. It works right out of the package and brings your key back to life. The two-pack means you won’t need to buy another one for a long time.
Car Key Battery for Toyota Camry (2012-2017)

This option targets Camry owners from 2012 to 2017 specifically. It uses the CR2016 battery size that many of these keys need.
The packaging clearly states the year range to avoid confusion. I like that it’s made for this exact car model and generation. You get two batteries which is great for the price.
Installation takes less than a minute with the right tool. The battery snaps in place and works right away.
Pros:
👍 Made for 2012-2017 Camry models
👍 Clear fitment information on pack
👍 Good value two-pack
👍 Reliable power output
👍 Simple do-it-yourself job
Cons:
👎 Only works with specific key types
👎 Doesn’t include a pry tool
👎 Not for push-to-start models
My Honest Opinion:
This is a no-brainer if you have a 2012-2017 Camry with the standard key. It’s the right battery for the job and costs less than the dealer. I keep the spare in my glove box for when the next one dies.
Key Fob Replacement Batteries for Toyota Smart Remote

This battery fits Toyota’s smart key remotes for push-to-start models. It’s the CR2032 size that many modern key fobs use.
The two-pack ensures you have a backup when needed. I found the battery life to be strong and reliable after testing. It powers the smart key’s functions without any delay.
Remember to check your specific key type before ordering. This one works with the larger smart remote, not the traditional key.
Pros:
👍 Right size for smart key remotes
👍 Strong and consistent power
👍 Two-pack for future use
👍 Easy to find installation guides online
👍 Works with push-to-start models
Cons:
👎 More expensive than some options
👎 Doesn’t fit traditional keys
👎 Smart key removal can be tricky
My Honest Opinion:
If your Camry has a smart key, this battery will get it working again. The CR2032 size is correct for most Toyota smart remotes. Just watch a quick video online to see how to open the fob without breaking it.
Key Fob Replacement Batteries for Toyota CR1632

This set uses the CR1632 battery size for older Toyota models. It fits Camry keys from 2007 to 2011 and other similar years.
The two-pack design gives you a spare for later. I like that the listing shows which specific models it works with. This prevents buying the wrong battery size.
Installation is simple if you have the right key type. The battery provides good power for the remote functions.
Pros:
👍 Correct CR1632 size for older keys
👍 Clear model year listings
👍 Affordable two-pack option
👍 Reliable performance
👍 Fits multiple Toyota models
Cons:
👎 Only for specific older models
👎 Not for 2012+ Camry standard keys
👎 Limited compatibility with newer cars
My Honest Opinion:
This battery is perfect if you have an older Toyota that takes CR1632 cells. Double-check your key type before buying since most 2012 Camrys need a different size. For the right key, it’s a great value.
Pinochi CR2016 Key Fob Replacement Batteries for Toyota

Pinochi offers CR2016 batteries with wide Toyota compatibility. They work with many models from 2008 to 2021.
The listing includes a full fitment guide to check your specific key. I found the batteries to have good build quality and solid power output. They snap securely into the key fob.
You get two batteries which is becoming standard for these packs. The price is fair for the quality you receive.
Pros:
👍 Wide Toyota model compatibility
👍 Includes detailed fitment guide
👍 Good build quality
👍 Secure fit in key fob
👍 Fair price point
Cons:
👎 Still need to verify your key type
👎 No installation tool included
👎 Packaging could be better
My Honest Opinion:
These batteries work well if your 2012 Camry takes CR2016 cells. The wide compatibility means they likely fit your key. Just double-check the fitment guide to be absolutely sure before you click buy.
uuam Key Fob Replacement Batteries for Toyota CR1632

This is another solid option for CR1632 battery needs. It fits specific Toyota models including some older Camrys.
The pack comes with two batteries as you would expect. I like that the listing shows which years and models are compatible. This prevents the frustration of buying the wrong size.
Performance is reliable with good signal strength. The batteries last as long as you would expect from this type.
Pros:
👍 Clear model compatibility listing
👍 Good signal strength and range
👍 Standard two-pack
👍 Reliable battery life
👍 Easy to install
Cons:
👎 Limited to CR1632 size only
👎 Not for most 2012 Camry keys
👎 Older model focus
My Honest Opinion:
This is a good buy if you need CR1632 batteries for an older Toyota. For 2012 Camry owners, you likely need CR2016 instead. Always check your current battery size before ordering any replacements.
Toyota Key Fob Battery Replacement Kit – CR2032

This kit includes everything you need for CR2032 battery replacement. You get two batteries plus a pry tool for opening the key fob.
The pry tool makes the job much easier and safer. I’ve broken key fobs before trying to open them with screwdrivers. This tool helps prevent that damage.
Battery quality is good with strong power output. The kit works with Toyota smart keys and other models needing CR2032 cells.
Pros:
👍 Includes pry tool for easy opening
👍 Two high-quality CR2032 batteries
👍 Prevents key fob damage
👍 Good for smart key remotes
👍 Complete replacement kit
Cons:
👎 Higher price than batteries alone
👎 Only for CR2032 size needs
👎 Tool is basic