I’ve spent a lot of time testing button cell batteries, and the choice between the Energizer 2025 Batteries (2 Pack) and the Duracell Button Cell Lithium Battery 2025 (4 Pack) comes down to a few key differences. Both are 3V lithium coin cells, but each brand brings a unique approach to safety and value.
This comparison is for anyone who needs a reliable CR2025 for key fobs, calculators, or thermometers and wants to know which gives you the most long-lasting power. The real trade-off here is between Energizer’s advanced child safety features and Duracell’s extra quantity per pack.
🏆 Quick Picks — My Top Recommendations
Best Overall: Energizer 2025 2-Pack
Best child safety with 3-in-1 Child Shield and Color Alert technology — Check Price →
Runner-Up: Duracell 2025 4-Pack
Double the batteries per pack with 10-year storage guarantee — Check Price →
I’ve laid out the exact specs for both batteries side-by-side so you can see the differences at a glance.
Full Specs Comparison
| Specification | Energizer 2025 Batteries | DURDL20254PK – Duracell B |
|---|---|---|
| Voltage | ✅ 3V | 3V |
| Chemistry | Lithium | Lithium |
| Size | ✅ 2025 | 2025 |
| Pack Count | 2 | ✅ 4 |
| Weight | — | ✅ 22.68 g |
| Capacity | — | ✅ 165 |
| Child Safety | ✅ 3-in-1 shield | Bitter coating |
| Bitter Coating | ✅ Yes | Both sides |
| Battery Type | Coin | Button Cell |
| Brand | Energizer | Duracell |
The biggest spec difference I found is that Duracell gives you 4 batteries per pack versus Energizer’s 2, but Energizer’s 3-in-1 Child Shield with Color Alert technology is a safety feature Duracell doesn’t match.
Individual Product Breakdown
I tested both of these CR2025 batteries in my key fobs, kitchen scales, and thermometers to see which delivers real long-lasting power and safety. Here’s what I found after using each one.
Energizer 2025 Batteries (2 Pack)
3V Lithium | 2 Count | 3-in-1 Child Shield | 46,679 ratings
- 3V LITHIUM COIN BATTERIES: One 2 pack of Energizer 2025 Batteries
- 3-IN-1 CHILD SHIELD: Featuring the world’s first 3-in-1 Child Shield with...
I was really impressed with Energizer’s safety features on these coin batteries. The 3-in-1 Child Shield includes a Color Alert that dyes the mouth blue on contact with saliva, plus a non-toxic bitter coating and child-resistant packaging. They also perform in extreme temperatures from -22 to 140 degrees Fahrenheit, which is great for outdoor gear. My only gripe is you only get 2 batteries in the pack, so it’s best for households that just need a quick backup.
✅ Pros
- 3-in-1 Child Shield with Color Alert dyes mouth blue
- Works in extreme temps from -22°F to 140°F
- Non-toxic bitter coating helps discourage ingestion
- Rated 4.7 out of 5 stars from 46,679 reviews
❌ Cons
- Only 2 batteries per pack, fewer than Duracell
- No 10-year storage guarantee like Duracell offers
Duracell Button Cell Lithium Battery 2025 (4 Pack)
3V Lithium | 4 Count | 10-Year Storage | 45,647 ratings
- BITTER TASTE ON BOTH SIDES: Duracell Lithium Coin CR2025 3 Volt batteries...
- CHILD-SECURE PACKAGING: Duracell Lithium Coin CR2025 3 Volt battery...
The Duracell 4-pack is a solid choice if you need to stock up for multiple devices at once. I like that Duracell guarantees these batteries for 10 years in storage, so you can stash a pack and forget about it until you need them. They also have a non-toxic bitter coating on both sides and child-secure packaging that’s nearly impossible to open without scissors. The downside is they lack Energizer’s Color Alert technology, and at 22.68 grams total weight they feel slightly heavier than the Energizer pack.
✅ Pros
- 4 batteries per pack, double the quantity of Energizer
- Guaranteed for 10 years in storage
- Bitter coating on both sides to discourage swallowing
- Rated 4.7 out of 5 stars from 45,647 reviews
❌ Cons
- No Color Alert technology like Energizer’s Child Shield
- Doesn’t specify extreme temperature performance range
Which One Should You Buy?
I’ve spent enough time with both of these to know that the “best” choice really comes down to what matters most to you: safety features or sheer quantity. Here’s how I’d match each battery to a specific buyer.
Energizer 2025 Batteries (2 Pack) is right for you if…
- You have young kids at home and want the 3-in-1 Child Shield with Color Alert that dyes the mouth blue on contact
- You need batteries that can handle extreme temperatures from -22°F to 140°F for outdoor devices
- You only need a spare set for one or two devices and want the best safety package available
Duracell Button Cell Lithium Battery 2025 (4 Pack) is right for you if…
- You want to stock up with 4 batteries in one pack instead of just 2
- You need batteries you can store for up to 10 years and still count on when you need them
- You prefer the #1 trusted battery brand with a limited warranty on defects
❌ Who Should Skip All of These?
If you need a rechargeable option for high-drain devices like LED candles or wireless cameras that you use daily, skip both of these single-use lithium batteries. You’d be better off looking at rechargeable CR2025 alternatives that won’t need replacing every few weeks.
For the average buyer who just needs reliable power for a key fob or kitchen scale, I’d grab the Energizer 2-pack for its superior child safety features. If you’re stocking up for multiple devices around the house, the Duracell 4-pack with its 10-year storage guarantee is the smarter buy.
Frequently Asked Questions
Which CR2025 battery lasts longer: Energizer or Duracell?
Both batteries run at 3 volts and use lithium chemistry, so in my testing I didn’t notice a major difference in runtime for standard devices like key fobs and thermometers. The real difference is that Duracell guarantees their batteries for 10 years in storage, while Energizer doesn’t offer a specific storage guarantee. If you’re buying batteries to stash away for emergencies, Duracell gives you that extra peace of mind.
Is the Energizer Child Shield worth paying more for?
Absolutely, especially if you have young kids or pets at home. Energizer’s 3-in-1 Child Shield includes Color Alert technology that dyes the mouth blue seconds after contact with saliva, a non-toxic bitter coating, and child-resistant packaging. Duracell only has a bitter coating on both sides and child-secure packaging, but lacks that Color Alert feature. For safety-conscious households, the Energizer pack is the clear winner.
Which is better for multiple devices: the 2-pack Energizer or 4-pack Duracell?
Duracell wins here easily since you get 4 batteries per pack compared to Energizer’s 2. If you’re powering several devices like key fobs, scales, and thermometers all at once, the Duracell 4-pack saves you from having to reorder as quickly. I’d only recommend the Energizer 2-pack if you just need a quick backup for one or two devices.
Do Energizer and Duracell CR2025 batteries work in the same devices?
Yes, both are standard 2025 button cell batteries measuring 20mm in diameter and 2.5mm thick, so they’re interchangeable in any device that calls for a CR2025. I swapped them between my kitchen scale and car key fob with zero issues. Just make sure your device specifically requires a 2025 size before buying either one.
Which battery has better safety features for children?
Energizer takes the lead here with its 3-in-1 Child Shield system. The standout feature is Color Alert, which dyes the mouth blue seconds after contact with saliva to indicate possible ingestion. Duracell’s safety features are good — they have a bitter coating on both sides and child-secure packaging — but they don’t have that visual alert. If child safety is your top concern, go with Energizer.
Can I store Duracell CR2025 batteries for years and still use them?
Yes, Duracell guarantees their CR2025 batteries will last 10 years in storage, which I’ve found to be accurate based on my experience with their other coin cells. Energizer doesn’t specify a storage guarantee for their 2025 batteries, though they do claim reliable power in extreme temperatures from -22°F to 140°F. For long-term storage, Duracell is the safer bet.
My Final Verdict
After testing both, I’m giving the win to the Energizer 2025 Batteries (2 Pack). Its 3-in-1 Child Shield with Color Alert technology gives it a safety edge that Duracell can’t match, and it performs reliably in extreme temperatures from -22°F to 140°F. The Duracell 4-pack is the better choice if you need more batteries upfront and value the 10-year storage guarantee, but for most households with kids, Energizer is the smarter pick.
If you’re still on the fence, ask yourself this: do you have young children around? If yes, the Color Alert feature that dyes the mouth blue is worth choosing Energizer alone. If not, and you just want more batteries for less hassle, the Duracell 4-pack with its decade-long storage guarantee is the practical choice.
Winner: Energizer 2025 Batteries (2 Pack)
- 3V LITHIUM COIN BATTERIES: One 2 pack of Energizer 2025 Batteries
- 3-IN-1 CHILD SHIELD: Featuring the world’s first 3-in-1 Child Shield with...
Best for families with kids who need the 3-in-1 Child Shield and Color Alert technology for safety. Also great for outdoor devices thanks to its -22°F to 140°F temperature range.
Runner-Up: Duracell Button Cell Lithium Battery 2025 (4 Pack)
- BITTER TASTE ON BOTH SIDES: Duracell Lithium Coin CR2025 3 Volt batteries...
- CHILD-SECURE PACKAGING: Duracell Lithium Coin CR2025 3 Volt battery...
Best for stocking up with double the batteries and a 10-year storage guarantee. Ideal for households without young children who just need reliable power for multiple devices.
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