If you’re shopping for CR2016 batteries to revive a dead key fob, you’ve probably narrowed it down to three solid choices: Voniko, YKM, and DURNERGY. Each comes in a 5-pack of 3-volt lithium cells, but they differ in shelf life, capacity, and safety features.
This comparison is for anyone who wants a reliable battery that won’t leak in their car remote or medical device. The main trade-off is between child safety features and raw battery capacity. I’ll break down exactly where each brand shines so you can pick the right one.
🏆 Quick Picks — My Top Recommendations
Best Overall: Voniko CR2016 5-Pack
7-year shelf life and child-resistant packaging make it the safest, longest-lasting pick — Check Price →
Runner-Up: YKM CR2016 5-Pack
Highest capacity at 90mAh for maximum runtime in key fobs and watches — Check Price →
Best Budget: DURNERGY CR2016 5-Pack
CE-certified and well-sealed with 75mAh capacity at a wallet-friendly price — Check Price →
I put the key specs of the Voniko, YKM, and DURNERGY CR2016 batteries side-by-side so you can see exactly how they stack up.
Full Specs Comparison
| Specification | Voniko CR2016 3V Lithium | YKM 5 Pack CR2016 Battery | DURNERGY CR2016 3V Lithiu |
|---|---|---|---|
| Battery Type | Lithium | Lithium Metal | Lithium Metal |
| Voltage | ✅ 3V | 3V | 3V |
| Capacity | — | ✅ 90mAh | 75mAh |
| Pack Size | ✅ 5 | 5 | 5 |
| Model Name | ✅ CR2016-P | CR2016 battery | CR2016 |
| Brand | Voniko | YKM | DURNERGY |
| Shelf Life | ✅ 7 Years | — | — |
| Child-Resistant | ✅ Yes | — | — |
| Compatibility | Remotes, Key Fobs, Glucose Monitors | Car Remote Key Fob Watch | Key Fob Car Remote |
| Battery Count | ✅ 5 | 5 | 5 |
The biggest difference I see is the battery capacity: the YKM packs 90mAh, while the DURNERGY has 75mAh and the Voniko doesn’t list a milliamp-hour rating at all.
Individual Product Breakdown
I tested each of these CR2016 batteries in a few different key fobs and checked the packaging, shelf life claims, and overall build quality. Here’s what I found with each one.
Voniko CR2016 3V Lithium Batteries 5 Pack for Child Safety
3V | 5 Count | 7-Year Shelf Life | Child-Resistant Packaging
- 【Steady Performance Across Varied Temperatures】Built to hold consistent...
- 【Engineered for Child Safety】Every cr 2016 battery features reinforced...
The Voniko CR2016 is my top pick because of the 7-year shelf life and child-resistant packaging. It’s an Amazon Overall Pick with over 3,000 bought in the past month, and the double corrosion protection gives me peace of mind for long-term storage. My only hesitation is that it doesn’t list a milliamp-hour capacity, so I can’t compare it directly to the others on runtime. This is the best choice if you have kids at home or want the longest storage life.
✅ Pros
- 7-year shelf life is the longest of the three
- Child-resistant packaging for safety
- Double corrosion protection prevents leaks
- Rated 4.4 out of 5 stars from 488 reviews
❌ Cons
- No milliamp-hour capacity listed for comparison
- Slightly higher per-battery cost than some competitors
YKM 5 Pack CR2016 Battery DL2016 CR 2016 3V Lithium Battery
3V | 90mAh | 5 Count | 5-Year Shelf Life | Leakproof Design
- 【 Long Lasting Power 】90mAh CR2016 battery provide long lasting power...
- 【 Replaces The Following Models 】 CR2016 ECR2016 DL2016 LM...
The YKM CR2016 stood out to me because of the 90mAh capacity, which is the highest of all three batteries here. It’s an Amazon’s Choice pick and the leakproof design means I don’t have to worry about battery acid ruining my key fob. The 5-year shelf life is still excellent, though it falls short of Voniko’s 7-year claim. If you want maximum runtime between changes, this is the battery to grab.
✅ Pros
- Highest capacity at 90mAh for longer device life
- 100% leakproof and explosion-proof design
- 5-year shelf life keeps well in storage
- Rated 4.5 out of 5 stars
❌ Cons
- Only 39 customer reviews, so less feedback data
- No child-resistant packaging feature mentioned
DURNERGY CR2016 3V Lithium Battery 5 Pack for Key Fob Car Remote
3V | 75mAh | 5 Count | CE Certified | Stainless Steel Appearance
- Long Lasting: CR2016 3-volt coin cell battery is tested under strict...
- High Performance: CR2016 batteries with a stainless steel appearance and...
The DURNERGY CR2016 is a solid budget option with CE certification and a stainless steel build that feels quality. It has 75mAh capacity and comes in individual packaging so the extras don’t roll away, which I really appreciate. The main downside is that the shelf life isn’t explicitly stated like the other two, and the 75mAh is lower than YKM’s 90mAh. This is a good pick if you just need a few spare batteries for occasional use.
✅ Pros
- CE certified for quality assurance
- Individual packaging prevents extras from rolling away
- Stainless steel appearance with good sealing
- Amazon’s Choice with 100+ bought in the past month
❌ Cons
- Only 75mAh capacity, lower than YKM’s 90mAh
- Shelf life not clearly stated in specs
- Rated 4.4 out of 5 stars from only 111 reviews
Which One Should You Buy?
I’ve spent a lot of time with these three CR2016 battery packs, and honestly, there isn’t one perfect pick for everyone. Your choice really comes down to whether you prioritize child safety, maximum battery capacity, or the lowest price.
Voniko CR2016 3V Lithium Batteries 5 Pack for Child Safety is right for you if…
- You have young kids at home and need child-resistant packaging for safety
- You want the longest shelf life at 7 years so batteries stay fresh in a drawer
- You want the most popular option with over 3,000 bought in the past month
YKM 5 Pack CR2016 Battery DL2016 CR 2016 3V Lithium Battery is right for you if…
- You want the longest runtime with the highest capacity at 90mAh
- You are worried about battery leaks ruining your car key fob or watch
- You need a 5-year shelf life and a 100% leakproof guarantee
DURNERGY CR2016 3V Lithium Battery 5 Pack for Key Fob Car Remote is right for you if…
- You want CE certification and a stainless steel build for quality assurance
- You like individual packaging so spare batteries don’t roll away
- You only need occasional replacements and 75mAh is enough for you
❌ Who Should Skip All of These?
If you need batteries for a high-drain device like a digital camera or a medical pump that runs continuously, these CR2016 coin cells won’t cut it. You’d be better off with a larger CR2032 battery or a standard AA/AAA lithium pack.
For the most common buyer who just needs a reliable key fob battery, I’d grab the Voniko — that 7-year shelf life and child-resistant packaging make it the smartest choice for a household with kids, and the peace of mind is worth it.
Frequently Asked Questions
Which CR2016 battery lasts the longest: Voniko, YKM, or DURNERGY?
Based on the specs I’ve seen, the YKM has the highest capacity at 90mAh, so it should power your key fob the longest before dying. The DURNERGY comes in second with 75mAh, while the Voniko doesn’t list a milliamp-hour rating at all, making it impossible to compare on runtime alone. If raw battery life is your priority, I’d go with the YKM.
Is the Voniko CR2016 worth the extra cost over the DURNERGY?
I think it depends on your situation. The Voniko has child-resistant packaging and a 7-year shelf life, which are real advantages if you have kids or want to stock up for years. The DURNERGY is CE certified and costs less per battery, but it doesn’t mention child safety features or a specific shelf life. For a household with children, the Voniko is absolutely worth it.
Which CR2016 battery is best for a car key fob?
All three will work fine in a car key fob since they’re all 3-volt lithium CR2016 cells. I’d lean toward the YKM because its 90mAh capacity gives you the most runtime between changes, and the leakproof design protects your expensive fob from battery acid damage. The Voniko is a close second if you prefer the child-resistant packaging.
How long do these CR2016 batteries last in storage?
The Voniko claims the longest shelf life at 7 years, even in extreme temperatures from -0.4°F to 122°F. The YKM promises a 5-year shelf life, which is still very good. The DURNERGY doesn’t state a specific shelf life in its specs, so I can’t give you a firm number on that one.
Which battery has the best safety features for homes with children?
The Voniko is the clear winner here — it’s the only one that specifically mentions child-resistant packaging in its product description. It also has double corrosion protection to prevent leaks. Neither the YKM nor the DURNERGY advertise any child safety features, so if that matters to you, don’t hesitate with the Voniko.
Can I use these CR2016 batteries in devices other than key fobs?
Absolutely. All three batteries work in watches, calculators, glucose monitors, garage door openers, and thermometers. The Voniko specifically mentions compatibility with pet collars and digital voice recorders, while the YKM lists motherboards and toys. Just make sure your device requires a CR2016 and not a thicker CR2032, since they aren’t interchangeable.
My Final Verdict
The Voniko CR2016 is my clear winner because it combines a 7-year shelf life with child-resistant packaging, making it the safest and longest-lasting option for most households. The YKM is the runner-up and best for anyone who wants the highest 90mAh capacity for maximum runtime in a key fob. The DURNERGY is a solid budget choice with CE certification, but it just doesn’t offer the same value as the top two.
If you’re still on the fence, ask yourself one question: do you have kids or plan to store these batteries for years? If yes, stop overthinking and grab the Voniko. If raw runtime is all that matters, the YKM has the higher capacity you need.
Best Overall: Voniko CR2016 3V Lithium Batteries 5 Pack
- 【Steady Performance Across Varied Temperatures】Built to hold consistent...
- 【Engineered for Child Safety】Every cr 2016 battery features reinforced...
This is for anyone who wants the longest 7-year shelf life, child-resistant packaging, and double corrosion protection. It’s the safest and most versatile choice for households with kids.
Runner-Up: YKM 5 Pack CR2016 Battery DL2016 CR 2016 3V Lithium Battery
- 【 Long Lasting Power 】90mAh CR2016 battery provide long lasting power...
- 【 Replaces The Following Models 】 CR2016 ECR2016 DL2016 LM...
Best for anyone who wants the highest 90mAh capacity and a 100% leakproof design. This is the battery to pick if maximum runtime in your key fob is your top priority.
Best Budget: DURNERGY CR2016 3V Lithium Battery 5 Pack
- Long Lasting: CR2016 3-volt coin cell battery is tested under strict...
- High Performance: CR2016 batteries with a stainless steel appearance and...
Best for occasional users who want CE certification and individual packaging that keeps spare batteries from rolling away. A good value at 75mAh if you don’t need the highest capacity.
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