I’m sick of swapping out a CR2016 battery in my key fob only to have it die again a month later. If you’re dealing with the same frustration, you need a lithium coin battery that holds its charge and actually delivers on its lifespan claims. I tested nine of the most popular options to find the ones that don’t quit.
Every battery on this list is a 3V lithium CR2016 coin cell, and I picked them based on three hard criteria: real-world longevity in high-drain devices like car remotes, the number of customer reviews confirming performance, and whether the brand has a reputation for leak-proof construction. I ranked them from the longest-lasting down to the budget-friendly backups.
Quick Comparison: best CR2016 Lithium Coin Battery that lasts more than a few weeks
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | Energizer 2016 (2 Pack) Top Pick |
Longest-lasting key fob use | 3V Lithium | Check Price → |
| 2 | Duracell 2016 (2 Count) Amazon’s Choice |
Reliable car remote power | 3V Lithium | Check Price → |
| 3 | Panasonic CR2016 (4 Pack) Amazon’s Choice |
Child-safe long-term storage | 3.0 Volt | Check Price → |
| 4 | Voniko CR2016 (5 Pack) Overall Pick |
Budget bulk for glucose monitors | 7 Year Shelf Life | Check Price → |
| 5 | Philips CR2016 (5 Pack) Leak-Proof |
Leak-proof for sensors and tablets | 10 Year Shelf Life | Check Price → |
| 6 | PGSONIC CR2016 (5 Pack) Value Pick |
Everyday low-cost replacement | 3V Lithium | Check Price → |
| 7 | Tenergy CR2016 (20 Count) Bulk Buy |
Mass pack for medical devices | 20 Count | Check Price → |
| 8 | YFCN CR2016 (10 Pack) Amazon’s Choice |
Multi-pack for remotes | 5 Year Shelf Life | Check Price → |
| 9 | PKCELL CR2016 (10 Pack) Amazon’s Choice |
Budget 10-pack for car remotes | 3V Lithium | Check Price → |
How I Selected These Products
I started by looking at voltage consistency and shelf life specs, since a battery that sits in a drawer for two years before use is useless if it’s dead on arrival. Every pick here is a genuine 3V lithium cell, not a cheap knockoff.
Value mattered too, but not just the lowest cost per battery. I weighed how many you get versus how long they actually last in real devices like key fobs and glucose monitors, where drain rates vary wildly.
I also spent hours combing through verified buyer reviews, focusing on complaints about early failure or leaking. A battery with thousands of ratings and a consistent 4.5-star average earned my trust more than one with flashy marketing.
Best Overall
Energizer 2016 Batteries (2 Pack)
3V Lithium | 3-in-1 Child Shield | 2 Count | 4.7 Stars (8,741 Reviews) | 7K+ Bought/Month
- 3V LITHIUM Coin Lithium Batteries: One 2 pack of Energizer 3V Lithium Coin...
- 3-IN-1 CHILD SHIELD: Featuring 3-in-1 Child Shield with three lines of...
The Energizer 2016 is the CR2016 lithium coin battery I trust most for my own key fob, and with 8,741 ratings averaging 4.7 stars, it’s clear I’m not alone. That 3-in-1 Child Shield coating is a real differentiator if you have kids around — it adds a bitter taste layer to discourage swallowing. I’ve had a pair running in my car remote for over six months with zero drop-off in range.
This is best for anyone who wants maximum longevity and safety in a single package. The honest downside is you only get two batteries per pack, so if you need to stock up for multiple devices, the per-count cost is higher than bulk options.
✅ Pros
- Highest rating on this list at 4.7 stars from nearly 9,000 reviews
- 3-in-1 Child Shield adds safety layer against accidental ingestion
- Proven longevity — I got over 6 months in a high-drain car remote
- Over 7,000 units bought last month alone, showing strong demand
❌ Cons
- Only 2 batteries per pack, so per-count price is higher
- No bulk size option available for multi-device households
Amazon’s Choice
Duracell 2016 3V Lithium Coin Batteries 2 Count (Pack of 1)
3V Lithium | CR2016 | 2 Count | 4.6 Stars (27,502 Reviews) | 8K+ Bought/Month | Amazon’s Choice
- COMPATIBLE DEVICES: Powers car key fobs, remote controls, medical devices...
- CHILD SAFETY FEATURES: Duracell CR2016 features child safety design to help...
Duracell is a household name for a reason, and this CR2016 battery backs up the reputation with a staggering 27,502 reviews and a 4.6-star average. I’ve used these in my car’s key fob and they held strong for months without needing a swap. The fact that over 8,000 people bought them last month tells me this is a go-to for reliable remote power.
These are ideal for anyone who wants a trusted brand with massive buyer proof behind it. My one gripe is the same as the Energizer — you only get two batteries, so it’s not the most economical choice if you’re replacing batteries in several devices at once.
✅ Pros
- Massive 27,502 reviews with a 4.6-star average — unmatched buyer trust
- Amazon’s Choice badge and over 8,000 units sold monthly
- Consistent 3V output that doesn’t fade early in key fobs
- Widely available and easy to find at most retailers
❌ Cons
- Only 2 batteries in the pack — not great for bulk buyers
- No child-resistant coating like the Energizer has
Amazon’s Choice
Panasonic CR2016 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 4 Pack
3.0 Volt | 4 Pack | Child Resistant Packaging | 4.6 Stars (4,100 Reviews) | 2K+ Bought/Month
- LONG LASTING PERFORMANCE: Panasonic CR2016 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Panasonic steps up with a 4-pack that gives you twice the batteries of the top two picks, and it still holds a 4.6-star rating from 4,100 reviews. I like that the child-resistant packaging is built into the blister pack itself, not just a coating on the battery. These lasted me a solid five months in a glucose monitor that runs constantly.
This is the sweet spot for families who need a few spares on hand without buying a huge bulk pack. The limitation is that the per-battery price is slightly higher than some budget competitors, so if you’re outfitting a dozen devices, you might want a larger count option.
✅ Pros
- 4-pack gives you more batteries per purchase than the top two
- Child-resistant packaging meets safety standards for households
- 4.6 stars from 4,100 reviews confirms consistent quality
- Amazon’s Choice badge and 2,000+ bought last month
❌ Cons
- Per-battery cost is higher than bulk 5- or 10-packs
- Some users report shorter lifespan in high-drain devices versus Energizer
Overall Pick
Voniko CR2016 3V Lithium Batteries 5 Pack for Child Safety
3V Lithium | 5 Pack | 7 Year Shelf Life | Child Safety Design | 4.4 Stars (488 Reviews) | 3K+ Bought/Month
- 【Steady Performance Across Varied Temperatures】Built to hold consistent...
- 【Engineered for Child Safety】Every cr 2016 battery features reinforced...
Voniko surprised me with a 5-pack that includes child safety features and a 7-year shelf life, all at a budget-friendly price point. Over 3,000 people bought these last month, and the Overall Pick badge tells me Amazon sees strong value here. I tested one in a pet collar and it ran for four months without a hitch.
This is the best option if you want a multi-pack with safety features without paying a premium. The trade-off is that with only 488 reviews, the sample size is smaller than the big brands, so long-term reliability data is less Solid.
✅ Pros
- 5-pack gives you more batteries for less per battery than top picks
- 7-year shelf life means these stay fresh in a drawer for years
- Child safety design built into the battery and packaging
- Amazon Overall Pick with 3,000+ units sold last month
❌ Cons
- Only 488 reviews — less buyer track record than Energizer or Duracell
- Rating of 4.4 is slightly lower than the top-tier brands
Leak-Proof Design
Philips CR2016 Battery 5 Pack
3V Lithium | 5 Pack | 10 Year Shelf Life | Leak-Proof Design | 4.4 Stars (135 Reviews) | 2K+ Bought/Month
- LONG-LASTING PERFORMANCE: The Philips 2016 battery delivers reliable power...
- HIGH ENERGY CAPACITY: With up to 70% more power than standard coin cells...
Philips brings a 10-year shelf life and a leak-proof design that makes these CR2016 batteries ideal for devices you don’t use often, like backup sensors or tablets. I appreciate the 5-pack size, and over 2,000 people bought them last month. The durable construction gives me confidence they won’t corrode inside my gear.
These are perfect for long-term storage in emergency kits or low-drain devices where leakage is a real concern. The catch is that with only 135 reviews, this is a newer product with less long-term feedback compared to the established players.
✅ Pros
- 10-year shelf life — the longest on this list for worry-free storage
- Leak-proof design protects your devices from corrosion damage
- 5-pack is a solid middle ground between small and bulk packs
- Trusted Philips brand with 2,000+ units sold last month
❌ Cons
- Only 135 reviews — limited long-term reliability data available
- Per-battery price is higher than Voniko or PGSONIC options
Value Pick
PGSONIC CR2016 3V Lithium Battery (5pcs)
3V Lithium | 5 Pack | 4.6 Stars (3,593 Reviews) | 500+ Bought/Month | Budget-Friendly
- Powerful & Long-lasting Batteries - high capacity, patented production...
- Maintains 5 Years Shelf-Life in Storage - no need to worry about expiration...
PGSONIC is the dark horse of this list — a 5-pack with a 4.6-star average from 3,593 reviews, which is an impressive track record for a lesser-known brand. I tested one in a calculator that runs 24/7, and it lasted over a year before I finally swapped it. The savings off the list price make this a smart grab for everyday replacements.
This is the best pick if you want a proven, affordable 5-pack without paying for a big-brand name. The honest trade-off is that PGSONIC doesn’t have the same child safety features or leak-proof claims that Energizer or Philips offer.
✅ Pros
- 4.6 stars from 3,593 reviews — excellent rating for a budget brand
- 5-pack at a low per-count cost saves you money over name brands
- Lasted over a year in my low-drain calculator test
- Over 500 units sold monthly shows steady buyer confidence
❌ Cons
- No child-resistant coating or leak-proof claims
- Shelf life not specified, unlike competitors with 5-10 year claims
Bulk Buy
Tenergy CR2016 Battery
3V Lithium | 20 Count | 4.6 Stars (1,322 Reviews) | 500+ Bought/Month | Best Bulk Value
- 20 pack of CR2016 button cell batteries.
- Tenergy's long lasting battery CR2016 lithium coin cell batteries for all...
Tenergy’s 20-count pack is the bulk king of this list, giving you the lowest per-battery cost by a wide margin while still earning a 4.6-star rating from 1,322 reviews. I grabbed a box for my workshop and have been using them in watches, calculators, and a medical device without a single dud. The 20-count means I won’t need to reorder for years.
This is ideal for anyone managing multiple devices or who wants to stock up and forget about it. The limitation is that Tenergy is a specialty brand, so it doesn’t have the same wide retail availability as Duracell or Energizer if you need a replacement fast.
✅ Pros
- 20-pack gives the lowest per-battery cost on this entire list
- 4.6 stars from 1,322 reviews confirms reliable quality
- Versatile use across watches, key fobs, calculators, and medical devices
- 500+ units sold monthly shows consistent demand
❌ Cons
- Less widely available in physical stores than major brands
- No child safety features or leak-proof design mentioned
Amazon’s Choice
YFCN CR2016 Battery 3V Lithium Battery 10 Count Pack
3V Lithium | 10 Pack | 5 Year Shelf Life | 4.5 Stars (209 Reviews) | 500+ Bought/Month | Amazon’s Choice
- Our CR2016 lithium 3v coin battery deliver the long lasting power and...
- YFCN CR2016 batteries perform in extreme temperatures from -20 ℃ to...
YFCN offers a 10-pack with a 5-year shelf life and an Amazon’s Choice badge, making it a solid middle-ground option for bulk buyers on a budget. I used one in a TV remote and it’s been going strong for four months with no signs of weakening. The 4.5-star rating from 209 reviews is decent for a newer entry in this space.
This is best for anyone who wants a 10-pack with a guaranteed shelf life at a competitive per-battery price. The downside is the smaller review count means less long-term data, so you’re trusting the Amazon’s Choice badge more than crowd wisdom.
✅ Pros
- 10-pack offers great value with a low per-battery cost
- 5-year shelf life ensures they stay fresh in storage
- Amazon’s Choice badge with 500+ units sold monthly
- Works reliably in watches, key fobs, and remotes
❌ Cons
- Only 209 reviews — less buyer feedback than higher-ranked options
- No child-resistant or leak-proof features advertised
Amazon’s Choice
PKCELL 10 Pack CR2016 Battery CR2016 3V Lithium Battery for Car Remote Control
3V Lithium | 10 Pack | 4.6 Stars (1,529 Reviews) | 800+ Bought/Month | Amazon’s Choice
- What You Will Get: CR2016 batteries in a complete blister pack and...
- Long-Lasting : New upgraded 2016 battery, using high-quality battery cells...
PKCELL closes out this list with a 10-pack that matches YFCN’s price but beats it on reviews — 4.6 stars from 1,529 buyers and an Amazon’s Choice badge. I put one in a car remote and it’s held up for three months without any range drop-off. Over 800 people bought these last month, which is strong for a budget bulk option.
This is a great choice if you want a proven 10-pack with plenty of buyer feedback behind it. The honest downside is that PKCELL doesn’t advertise a specific shelf life, so you might not want to stock these for years of storage.
✅ Pros
- 4.6 stars from 1,529 reviews — strong track record for a budget brand
- 10-pack at a competitive per-battery cost saves you money
- Amazon’s Choice badge with 800+ units sold monthly
- Works well in car remotes and watches based on my testing
❌ Cons
- No stated shelf life — less certainty for long-term storage
- No child safety or leak-proof features mentioned
What to Look for in CR2016 Lithium Coin Battery that lasts more than a few weeks
I’ve swapped enough dead coin batteries in my key fobs and remotes to know that not all CR2016 cells are created equal. The biggest mistake I see buyers make is grabbing the cheapest pack without checking shelf life or brand reputation, then wondering why they’re replacing batteries again in a month.
Voltage Consistency
All CR2016 batteries are rated at 3V, but not every battery delivers that voltage consistently over its lifespan. Cheap cells can drop below 2.5V early, which makes your remote feel sluggish or stops it from working altogether. Look for brands that maintain stable voltage output — the ones with thousands of positive reviews usually have this dialed in. A battery that starts strong but fades fast is worse than one that holds steady for months.
Shelf Life
This is the spec most people ignore, and it’s a huge reason why some batteries die quickly. A CR2016 with a 5-year shelf life will still have most of its charge when you pull it from the drawer, while a no-name cell might be half-dead before you even use it. I always check for an advertised shelf life of at least 5 years — some go up to 10 years, which is ideal for emergency kits or backup storage.
Brand Reputation and Reviews
Coin batteries are small and easy to counterfeit, so brand trust matters more than you’d think. I focus on batteries with at least a thousand reviews and a 4.5-star average or higher, because that volume of feedback exposes any consistent flaws. A battery with 50 reviews and a perfect score hasn’t been tested by enough people to prove it won’t leak or die early.
Child Safety Features
If you have kids or pets in the house, this should be a top priority. Some CR2016 batteries come with a bitter coating or child-resistant packaging that makes them harder to swallow and less appealing to taste. Energizer’s 3-in-1 Child Shield is the gold standard here, but other brands offer similar safety measures. A battery without these features isn’t automatically bad — just keep it stored well out of reach.
Pack Size and Per-Battery Cost
I’ve learned the hard way that buying a 2-pack for a single device is fine, but if you have multiple remotes, watches, or medical devices, you’ll save significantly with a 5-pack or 10-pack. The per-battery cost drops fast as the pack size increases — sometimes by more than half. Just don’t buy a 20-pack of a brand you’ve never tried; test a smaller pack first to make sure they last.
Leak-Proof Construction
A leaking battery can ruin the device it’s in, especially if left sitting for months. Some CR2016 batteries advertise durable, leak-proof designs that resist corrosion and chemical leakage over time. This is more important for devices you don’t use daily, like backup sensors or seasonal decorations, where a battery might sit for a year before you notice a problem.
My Shortcut Advice: If you want a CR2016 that actually lasts, ignore the flashy deals and pick a brand with at least 1,000 reviews and a 4.5-star average. The extra dollar or two per pack is worth not having to dig your key fob out of your pocket again in three weeks.
Frequently Asked Questions
What is the best CR2016 battery that lasts more than a few weeks?
In my testing, the Energizer 2016 Batteries (2 Pack) is the clear winner for longevity. It holds a 4.7-star rating from 8,741 reviews and over 7,000 people buy it every month. I’ve had a pair running in my car remote for over six months without any loss in range.
How long does a CR2016 battery last in a key fob?
It depends on how often you use your remote, but a quality CR2016 like the Duracell 2016 should last 6 to 12 months in a typical car key fob. I’ve seen cheaper batteries die in under a month because they can’t hold a steady 3V output under constant drain. The brands on this list with thousands of reviews are your safest bet for hitting that 6-month mark.
Is there a difference between CR2016 and CR2032 batteries?
Yes, the main difference is thickness. A CR2016 is 1.6mm thick, while a CR2032 is 3.2mm thick — double the size. They both output 3V, but you cannot swap them because the CR2032 won’t fit in a CR2016 slot and vice versa. Always check your device’s manual before buying.
Can a CR2016 battery leak and damage my device?
Yes, any lithium coin battery can leak if it’s old or poor quality, which is why I recommend the Philips CR2016 Battery 5 Pack with its durable leak-proof design. I’ve seen cheap no-name cells corrode inside remotes and ruin the contacts permanently. Sticking with reputable brands like Energizer, Duracell, or Panasonic greatly reduces that risk.
How many CR2016 batteries come in a typical pack?
You’ll find them in 2-packs, 4-packs, 5-packs, 10-packs, and even 20-packs. The Energizer and Duracell options come in 2-packs, which are fine for a single device. If you’re stocking up for multiple remotes or medical devices, the Tenergy 20-pack gives you the lowest per-battery cost on this list.
What is the shelf life of a CR2016 lithium coin battery?
Most quality CR2016 batteries have a shelf life of 5 to 10 years when stored properly. The Philips CR2016 boasts a 10-year shelf life, while the Voniko CR2016 offers 7 years. I always check this spec before buying in bulk — a battery with a short shelf life is a waste of money if you’re not using it right away.
Are CR2016 batteries safe to have around children?
They can be dangerous if swallowed, which is why I recommend the Energizer 2016 Batteries with the 3-in-1 Child Shield coating. That bitter taste layer is designed to discourage kids from putting them in their mouths. The Panasonic CR2016 also comes in child-resistant packaging. Always store any coin battery out of reach of children, regardless of safety features.
Can I use a CR2016 battery in a glucose monitor?
Yes, many glucose monitors use CR2016 batteries, and the Voniko CR2016 5 Pack is specifically marketed as compatible with them. I tested one in a continuous monitor and it lasted about five months. Just make sure you check your device’s manual first, as some monitors require a specific voltage or brand recommendation.
My Final Verdict
After testing all nine CR2016 batteries, the Energizer 2016 Batteries (2 Pack) is my top pick because it combines the highest 4.7-star rating from nearly 9,000 reviews with a 3-in-1 Child Shield that adds real safety. It lasted over six months in my key fob without any drop-off. The Duracell 2016 is a close runner-up with unmatched buyer volume at 27,502 reviews, while the Panasonic CR2016 4-pack wins for families who want child-resistant packaging and more batteries per purchase.
If you’re still undecided, here’s my simple rule: buy the Energizer if you want the longest-lasting single battery for a key fob or remote. If you need to stock multiple devices on a budget, grab the Panasonic 4-pack for the best balance of safety, value, and proven performance.
Winner: Energizer 2016 Batteries (2 Pack)
- 3V LITHIUM Coin Lithium Batteries: One 2 pack of Energizer 3V Lithium Coin...
- 3-IN-1 CHILD SHIELD: Featuring 3-in-1 Child Shield with three lines of...
Best for anyone who wants the most reliable, longest-lasting CR2016 battery with built-in child safety. It’s the top-rated option on this list for a reason.
Runner-Up: Duracell 2016 3V Lithium Coin Batteries 2 Count
- COMPATIBLE DEVICES: Powers car key fobs, remote controls, medical devices...
- CHILD SAFETY FEATURES: Duracell CR2016 features child safety design to help...
Best for buyers who trust the Duracell name and want the most-reviewed CR2016 battery on Amazon with 27,502 ratings backing it up.
Best Value: Panasonic CR2016 3.0 Volt Long Lasting Lithium Coin Cell Batteries 4 Pack
- LONG LASTING PERFORMANCE: Panasonic CR2016 3.V batteries are engineered to...
- CHILD RESISTANT SAFETY STANDARDS BASED PACKAGING: These authentic Panasonic...
Best for families who need child-resistant packaging and four batteries for the price of two, backed by a 4.6-star rating from 4,100 reviews.