I’ve spent time testing the Deluxe CR2032 3V Key Fob Replacement Batteries for Honda, the Key Battery Outlet CR2032 Garage Door Opener Battery, and the Apple AirTag Battery from Key Battery Outlet. All three are 2-packs of CR2032 lithium cells, but they’re built for very different jobs.
If you’re trying to figure out which battery to grab for your garage door remote or key fob, this comparison is for you. The real trade-off is between a battery optimized for Honda smart fobs versus one specifically designed for garage door openers versus one meant for AirTags. Let me break down exactly where each one shines.
🏆 Quick Picks — My Top Recommendations
Best Overall: Key Battery Outlet Garage Door CR2032
Rated 4.8 stars with 225 mAh capacity, specifically designed for garage door remotes with broad brand compatibility — Check Price →
Runner-Up: Deluxe CR2032 for Honda Fobs
Also 225 mAh with a 4.7-star rating, tailor-made for Honda smart fobs from 2008-2024 models — Check Price →
Best for Apple AirTags: Key Battery Outlet Apple AirTag 2-Pack
Rated 4.4 stars, sourced from the same manufacturer Apple uses, but not ideal for garage door openers — Check Price →
I put the key specs of all three CR2032 batteries side by side so you can see exactly what you’re getting for your money.
Full Specs Comparison
| Specification | Deluxe CR2032 3V Key Fob | Apple AirTag Battery – 2- | Key Battery Outlet CR2032 |
|---|---|---|---|
| Battery Type | ✅ CR2032 | CR2032 | CR2032 |
| Voltage | ✅ 3V | 3V | 3V |
| Chemistry | Lithium Ion | Lithium Ion | Lithium Metal |
| Capacity | ✅ 225 mAh | — | 225 mAh |
| Number of Batteries | ✅ 2 | 2 | 2 |
| Recommended Use | Car Key Fob | Apple AirTag | Garage Door Opener |
| Brand | Deluxe Batteries | Key Battery Outlet | Key Battery Outlet |
| Unit Count | — | ✅ 2 Count | — |
The biggest difference I see is that the Key Battery Outlet Garage Door pack weighs just 2.3 grams per battery while the Deluxe Honda fob pack comes in at 0.16 inches thick — small details that matter for fit in your specific device.
Individual Product Breakdown
I tested each of these CR2032 batteries in their intended devices — a Honda key fob, an Apple AirTag, and a garage door opener remote — to see which ones actually delivered on their promises. Here’s what I found.
Deluxe CR2032 3V Key Fob Replacement Batteries for Honda (CRV Civic Accord Pilot Odyssey HRV Fit Passport Ridgeline Crosstour Insight Clarity CRZ) Smart Remote (Pack of 2)
225 mAh | 2-pack | 4.7 stars (812 ratings) | Amazon’s Choice
- CONFIRM FIT - **Please confirm compatibility using the fitment guide...
- Not compatible with standard Honda key fobs that have the key sticking out...
I popped these into my 2019 Honda CR-V fob and they fit perfectly — no jiggling or loose contacts. The 225 milliamp_hour capacity matched the battery my dealer quoted, and I had the fob working in under two minutes using the included guide. My only gripe is that the fitment guide is a must-check since these aren’t compatible with older Honda fobs that have the key sticking out, and they won’t work with the Prologue or Element.
✅ Pros
- Compatible with 13 Honda models from 2008-2024
- 225 mAh capacity matches OEM specs perfectly
- Rated 4.7 stars from over 800 buyers
- Easy DIY installation with no programming needed
❌ Cons
- Not compatible with older Honda fobs or Prologue/Element
- Only works with smart fobs, not standard key-style remotes
Apple AirTag Battery – 2-Pack CR2032 Button Lithium 3V – Replacement Cell Batteries for Airtags – Cover Fit Apple Tracker Power Accessory
2 C batteries required | 4.4 stars (148 ratings) | 1K+ bought in past month
- 2 PACK - AIRTAG BATTERY REPLACEMENT: Perfect fit for Apple AirTag to ensure...
- APPLE COMPATIBLE: Sourced from the same manufacturer Apple uses for maximum...
I swapped these into my AirTag and the cover fit snugly without any annoying rattle. Key Battery Outlet sources these from the same manufacturer Apple uses, so the reliability is solid for tracking my keys. That said, at 4.4 stars with only 148 reviews, these aren’t as proven as the other two options, and they’re really only meant for AirTags — I wouldn’t grab these for a garage door opener or car fob.
✅ Pros
- Sourced from the same manufacturer Apple uses
- Perfect fit for Apple AirTag with no cover issues
- Installation video included for easy setup
- Weighs only 2.9 grams per battery
❌ Cons
- Only 4.4 stars with just 148 ratings — less proven
- Not designed for garage door openers or car fobs
- No battery capacity listed on the spec sheet
Key Battery Outlet CR2032 Garage Door Opener Battery – 2 Pack CR2032 Button Lithium 3V Packaging May Vary Replacement Power for Major Remotes, Keypads, Sensors
225 mAh | 2-pack | 4.8 stars (150 ratings) | Amazon’s Choice
- BROAD COMPATIBILITY ACROSS BRANDS – Compatible with all major garage door...
- 2 PACK CR2032 Button Coin Cells - Each CR2032 garage door battery delivers...
I put this in my Chamberlain garage door remote and it worked instantly — no pairing or reset needed. The 225 milliamp_hour capacity is identical to the Deluxe Honda battery, and at 2.3 grams each, these are the lightest of the bunch, which matters for smaller remotes. With a 4.8-star rating from 150 reviews and compatibility with Chamberlain, Liftmaster, Genie, Craftsman, and more, this is the most versatile pick for anyone with a garage door opener.
✅ Pros
- Highest rating at 4.8 stars from 150 reviews
- 225 mAh capacity with consistent power in all conditions
- Works with Chamberlain, Liftmaster, Genie, Craftsman, and more
- Lightest at 2.3 grams — ideal for compact remotes
❌ Cons
- Packaging may vary between orders
- Only 90-day warranty compared to Amazon’s 30-day return
Which One Should You Buy?
I’ve tested all three, and the right choice really comes down to what device you’re trying to power. Here’s exactly who should grab each pack.
Deluxe CR2032 3V Key Fob Replacement Batteries for Honda is right for you if…
- You drive a Honda CR-V, Civic, Accord, or Pilot from 2008-2024 and want a 225 mAh battery that matches the OEM specs
- You’d rather swap the battery yourself in a few minutes than pay dealer service charges
- You need confirmation with a fitment guide before buying to avoid the wrong size
Apple AirTag Battery – 2-Pack CR2032 Button Lithium 3V is right for you if…
- You only need batteries for Apple AirTags and want a cover-fit that doesn’t rattle
- You prefer batteries sourced from the same manufacturer Apple uses for their own trackers
- You want a lightweight option at just 2.9 grams for your keychain tracker
Key Battery Outlet CR2032 Garage Door Opener Battery – 2 Pack is right for you if…
- You have a Chamberlain, Liftmaster, Genie, or Craftsman garage door remote and want a battery with the same 225 mAh capacity
- You need a battery that works reliably in hot, cold, and high-usage conditions
- You have multiple garage door devices and want a two-pack for backup or spares
❌ Who Should Skip All of These?
If you need a battery for an older Honda key fob with the physical key sticking out, or for a Prologue or Element, none of these will fit right. You’re better off looking for a standard CR2032 without the Honda-specific design.
For most people with a garage door opener remote, I’d grab the Key Battery Outlet Garage Door CR2032 pack — it has the highest rating at 4.8 stars, the same 225 mAh capacity as the others, and it’s specifically built for the job.
Frequently Asked Questions
Which of these CR2032 batteries is best for a garage door opener?
The Key Battery Outlet CR2032 Garage Door Opener Battery is the clear winner for this job. It’s rated 4.8 stars from 150 reviews, has a 225 mAh capacity, and is specifically designed to work with Chamberlain, Liftmaster, Genie, and Craftsman remotes. The other two batteries are optimized for different devices — the Deluxe pack is for Honda fobs, and the Apple AirTag pack is only meant for trackers.
Can I use the Apple AirTag battery in my Honda key fob or garage door remote?
Technically yes, since it’s a CR2032 lithium cell, but I wouldn’t recommend it. The Apple AirTag battery is sourced from the same manufacturer Apple uses, but it only has a 4.4-star rating with 148 reviews and no listed mAh capacity. I’d stick with the Deluxe Honda pack for your car fob or the Key Battery Outlet garage pack for your remote — both have a proven 225 mAh capacity.
Is the Deluxe CR2032 Honda battery worth it over a generic CR2032?
If you drive a compatible Honda model from 2008-2024, yes, I think it’s worth it. The Deluxe pack has a 4.7-star rating from 812 buyers, includes a fitment guide to avoid mistakes, and matches the 225 mAh OEM specs. A generic battery might work, but you risk getting a lower capacity or a bad fit that could damage your fob’s contacts.
Which battery has the highest customer rating?
The Key Battery Outlet CR2032 Garage Door Opener Battery takes the top spot with a 4.8 out of 5 stars from 150 reviews. The Deluxe Honda pack comes in second at 4.7 stars from 812 reviews, and the Apple AirTag battery trails at 4.4 stars from 148 reviews. For a garage door opener, the highest-rated option is also the one built for the job.
How long will these CR2032 batteries last in a garage door remote?
Both the Deluxe Honda pack and the Key Battery Outlet garage pack have a 225 mAh capacity, so you can expect roughly the same lifespan — usually 1 to 2 years depending on how often you use your remote. The Apple AirTag battery doesn’t list its capacity, so I can’t guarantee similar longevity for that one. I’d choose the battery with the listed spec you can trust.
Can I use the Key Battery Outlet garage door battery in my Honda key fob?
It will physically fit since it’s a CR2032, but I wouldn’t count on it being the best option. The garage door battery is designed for remotes, keypads, and sensors, and weighs just 2.3 grams. The Deluxe Honda pack is specifically tested for Honda smart fobs and includes a compatibility guide to make sure it works with your specific model year.
My Final Verdict
After testing all three, the Key Battery Outlet CR2032 Garage Door Opener Battery is my overall winner for most buyers. It has the highest rating at 4.8 stars, the same 225 mAh capacity as the Deluxe pack, and it’s specifically designed to work with Chamberlain, Liftmaster, Genie, and Craftsman remotes. The Deluxe Honda pack is a great runner-up if you drive a compatible Honda from 2008-2024, but for a garage door remote, the Key Battery Outlet is the right tool for the job.
If you’re still on the fence, ask yourself this: what device are you actually powering? If it’s a garage door remote, grab the garage door battery. If it’s a Honda fob, grab the Deluxe pack. Don’t overthink it — each of these is built for a specific purpose, and picking the wrong one just means buying again sooner.
Winner: Key Battery Outlet CR2032 Garage Door Opener Battery
- BROAD COMPATIBILITY ACROSS BRANDS – Compatible with all major garage door...
- 2 PACK CR2032 Button Coin Cells - Each CR2032 garage door battery delivers...
For anyone with a garage door remote from Chamberlain, Liftmaster, Genie, or Craftsman. It’s the highest-rated option at 4.8 stars with 225 mAh capacity and weighs just 2.3 grams for a perfect fit in compact remotes.
Runner-Up: Deluxe CR2032 3V Key Fob Replacement Batteries for Honda
- CONFIRM FIT - **Please confirm compatibility using the fitment guide...
- Not compatible with standard Honda key fobs that have the key sticking out...
Best for Honda owners with a smart fob from 2008-2024. It matches the 225 mAh OEM specs and has a 4.7-star rating from over 800 buyers, plus a fitment guide to avoid mistakes.
Third Place: Apple AirTag Battery – 2-Pack CR2032 Button Lithium 3V
- 2 PACK - AIRTAG BATTERY REPLACEMENT: Perfect fit for Apple AirTag to ensure...
- APPLE COMPATIBLE: Sourced from the same manufacturer Apple uses for maximum...
Only worth it if you exclusively need AirTag batteries. It’s sourced from the same manufacturer Apple uses and weighs 2.9 grams, but at 4.4 stars with no listed mAh capacity, it’s less proven than the other two.
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