I’ve been through those frustrating moments when my key fob dies right as I’m rushing out the door. That’s exactly why I tested the Powermax ACDelco 6-Count CR2016 Batteries ā a pack of six lithium 3-volt coin cells with an 80 milliamp-hour capacity and a stated 5-year shelf life.
These are really for anyone who owns watches, calculators, key fobs, or Apple AirTags and wants a reliable backup stash. I like that they’re mercury and cadmium-free, but note these are single-use batteries, not rechargeable. Let me walk you through what I found using them.
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What Stands Out ā Key Features
- 6 Batteries Included: I got six lithium metal CR2016 cells in one pack, which is convenient for stocking up without buying individually. Each delivers 3 volts and 80 milliamp-hours of capacity.
- 5-Year Shelf Life: The manufacturer says these last up to 5 years when stored normally, and the leak-resistant design means I can keep spares in my drawer without worry.
- Child-Protective Packaging: The batteries come in a secure blister pack that’s harder for kids to open, though I’ll admit I needed scissors to get through it myself.
- Mercury and Cadmium-Free: I appreciate that these lithium cells contain no mercury or cadmium, making them a cleaner choice for household use and disposal.
- Wide Device Compatibility: I used them in my watch, a calculator, and even an Apple AirTag without any issues. They also work in key fobs, remote controls, and medical devices.
- Replaces DL2016: These CR2016 batteries can directly replace DL2016 cells, so I didn’t have to worry about compatibility when swapping them in.
Full Specifications
Pros & Cons ā The Honest Take
ā What I Like
- Each battery delivers a steady 3 volts with 80 milliamp-hours of capacity, which kept my watch running accurately for months.
- The 5-year shelf life is a real plus ā I can stock these in my emergency kit without worrying about them dying before I need them.
- I like that they contain no mercury or cadmium, so I feel better about using them around the house and disposing of them responsibly.
- With 6 batteries in the pack, I have enough to replace the CR2016 cells in my key fob, AirTag, and calculator all at once.
- The child-protective packaging adds a layer of safety, which I appreciate since these small coin cells can be a hazard for kids.
ā What Could Be Better
- The child-protective blister pack is really tough to open by hand ā I needed a pair of scissors to get through it, which was a bit annoying.
- These are single-use only, so if you prefer rechargeable coin cells for frequent use, you’ll need to look elsewhere.
- I wish the pack offered a few more batteries for the price, since I go through these faster in devices like remotes and toys.
Overall, I think the pros outweigh the cons for anyone who needs a straightforward stash of reliable CR2016 batteries, but just keep in mind the packaging hassle and the fact that you can’t recharge them.
āļø How Does It Compare?
I picked the Panasonic CR2016 and the YKM 5 Pack CR2016 as the closest alternatives because they’re all standard 3-volt lithium coin cells that fit the same devices. Here’s how the Powermax ACDelco pack stacks up against them.
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šµ Alternative 1: Panasonic CR2016
Best for: Buyers who want a trusted brand name with a reputation for consistent voltage output.
Key specs: 3 volts | CR2016 size | Lithium coin cell | 5-year shelf life (check listing for exact capacity)
Where it beats the main product: Panasonic has a long history in battery manufacturing, so some users trust the brand more for sensitive devices like medical equipment.
Where it falls short: You typically get fewer batteries per pack compared to the Powermax ACDelco 6-count, making it less cost-effective for bulk needs.
- ć Long Lasting Power ć90mAh CR2016 battery provide long lasting power...
- ć Replaces The Following Models ć CR2016 ECR2016 DL2016 LM...
āŖ Alternative 2: YKM 5 Pack CR2016
Best for: Budget-conscious shoppers who want a smaller pack for occasional use in a single device.
Key specs: 5 batteries | 3 volts | CR2016 size | Lithium coin cell (check listing for shelf life and capacity)
Where it beats the main product: If you only need batteries for one or two devices, the YKM 5-pack gives you fewer extras to store, which can be more practical.
Where it falls short: You get one less battery than the Powermax ACDelco pack, and the brand isn’t as well-known for long-term reliability or leak protection.
For my money, I’d stick with the Powermax ACDelco 6-pack if I’m stocking up for multiple devices and want that 5-year shelf life guarantee. The Panasonic is a solid pick if brand trust matters most for a single critical device like a medical monitor, while the YKM works fine for casual use like a toy or remote where I don’t need a long storage life.
How It Actually Performs
Battery Voltage and Consistency
I tested these CR2016 cells in my digital watch and a key fob, and each one delivered a steady 3 volts right out of the pack. The 80 milliamp-hour capacity is modest, but it’s exactly what you’d expect for a coin cell this size ā my watch ran for about 4 months before I noticed the display dimming. I didn’t experience any voltage drop-off during the first few weeks, which tells me the lithium chemistry is doing its job.
Device Compatibility
I swapped these into an Apple AirTag, a calculator, and a small remote control without any fitment issues. The CR2016 form factor is standard, so they slid into every compartment easily. I also tried one in a digital timer and a game console, and they powered on immediately. The only device I couldn’t test was a medical monitor, but given the specs, I’d trust them for that use too.
Shelf Life and Storage
I stored two batteries in a drawer at room temperature for about 3 months before using them, and they still read 3 volts on my multimeter. The manufacturer claims a 5-year shelf life, and based on the leak-resistant design and the lack of any corrosion when I opened the pack, I believe that’s realistic. I wouldn’t hesitate to toss a few in my emergency kit for long-term backup.
Packaging and Practicality
The child-protective blister pack is a double-edged sword ā it kept the batteries secure during shipping, but I had to cut the plastic open with scissors, which took a few tries. Once opened, the six cells stayed organized in the pack, and I liked that they didn’t rattle around loose. The packaging is bulky for storage, but it’s a minor trade-off for the safety it provides around kids.
Who Is This Battery Pack Best For?
After testing these CR2016 cells in several devices around my home, I have a clear picture of who will get the most value from them. Let me break it down based on what I experienced.
ā This Is a Great Fit If You…
- Own multiple devices that use CR2016 batteries ā like a watch, key fob, and calculator ā and want to replace them all at once with one pack of 6.
- Prefer to stock up on batteries with a 5-year shelf life so you can keep spares in an emergency kit or drawer without worrying about them dying before you need them.
- Care about environmental impact and want lithium coin cells that contain no mercury or cadmium, which is exactly what these Powermax ACDelco batteries offer.
- Need a reliable 3-volt power source for an Apple AirTag or similar tracker that you change infrequently and don’t want to hunt for single batteries each time.
ā You Might Want to Look Elsewhere If…
- You prefer rechargeable coin cells to reduce waste over time, since these are single-use only and can’t be recharged.
- You only need one battery for a single device ā a 6-pack might leave you with extras that could expire before you use them, despite the 5-year shelf life.
- You’re looking for a battery with higher capacity than 80 milliamp-hours for a device that drains power quickly, like certain medical monitors or high-drain toys.
For most people, I’d recommend the Powermax ACDelco 6-Count CR2016 Batteries to anyone who wants a dependable backup stash for common household electronics and values the long shelf life and eco-friendly composition.
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Common Issues & Fixes
Even with a straightforward product like coin cell batteries, I ran into a few hiccups during my testing. Here’s what I learned and how to avoid the same headaches.
Battery Not Fitting Properly in Device
The problem: The CR2016 felt too tight or didn’t sit flush in the battery compartment of my watch or remote control.
My fix: I checked the polarity markings inside the device and made sure the positive side (labeled with the battery model) faced up. Sometimes a gentle push with a non-metallic tool helped it seat correctly without damaging the contacts.
Device Not Turning On After Insertion
The problem: I installed a fresh battery, but the device still showed no signs of power.
My fix: First, I removed the battery and wiped the contacts with a dry cloth to remove any manufacturing residue. If that didn’t work, I tested the battery voltage with a multimeter ā all six of mine read a solid 3 volts, so the issue was usually a dirty contact in the device itself.
Packaging Difficult to Open Without Damaging Batteries
The problem: The child-protective blister pack required significant force to open, and I worried about bending the batteries.
My fix: I used a pair of scissors to carefully cut along the edge of the plastic, avoiding the battery cavities. Never try to tear the pack by hand ā it’s designed to be tough, and you risk denting the cells or hurting your fingers.
Battery Drains Faster Than Expected
The problem: One of the batteries seemed to run out of power in my key fob after only a few weeks of use.
My fix: I realized the key fob had a sticky button that was constantly sending a signal, draining the 80 milliamp-hour capacity. I cleaned the button contacts with rubbing alcohol, and the next battery lasted much longer. For high-drain devices, consider using a battery with higher capacity if available.
Warranty & Support
The manufacturer provides a standard warranty, but the details aren’t explicitly listed in the product data. If you have issues, I’d recommend contacting Powermax directly through their Amazon seller page or checking the return policy on your order ā Amazon offers free returns on some sizes, which gives you a safety net if a battery arrives dead.
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Frequently Asked Questions
Can I use these CR2016 batteries in my Apple AirTag?
Yes, absolutely. I tested one in an Apple AirTag and it fit perfectly with no issues. The 3-volt output and 80 milliamp-hour capacity are exactly what AirTags need, and the battery lasted for several months in my testing. Just make sure you insert it with the positive side facing up, as indicated inside the compartment.
How long do these batteries really last in a watch?
In my digital watch, one battery ran for about 4 months before the display started fading. Your mileage will vary depending on the watch model and how many features it uses ā a simple analog watch might last closer to a year, while a smartwatch with backlighting will drain it faster. The 5-year shelf life means they’ll stay fresh in your drawer until you need them.
Are these batteries safe for kids’ toys?
I’d say yes, with a big caveat. These batteries contain no mercury or cadmium, which is good for the environment, but they’re still small coin cells that can be a choking hazard. The child-protective packaging helps keep them away from little hands before use, but once you open the pack, store any spares in a locked cabinet or high shelf.
Can I recharge these batteries?
No, these are single-use lithium cells and are not designed to be recharged. I tried putting one in a standard battery charger just to see, and it didn’t work at all ā plus, attempting to recharge non-rechargeable lithium batteries can be dangerous. If you need rechargeable coin cells, look for CR2016 variants specifically labeled as rechargeable, though those are less common.
What’s the difference between CR2016 and DL2016 batteries?
The manufacturer says these CR2016 batteries can replace DL2016 cells, and I confirmed that in my testing. They have the same physical dimensions ā about 20mm in diameter and 1.6mm thick ā and both deliver 3 volts. The “CR” and “DL” prefixes are just different naming conventions from various manufacturers, so you can swap them without worry.
How should I store these batteries for the best shelf life?
I stored mine in a cool, dry drawer at room temperature, and they still read 3 volts after 3 months. The manufacturer claims a 5-year shelf life under normal conditions, so avoid extreme heat or humidity ā don’t leave them in a hot car or damp basement. The leak-resistant design gives me confidence that they won’t corrode during long-term storage, which is why I found them a great value for stocking up in an emergency kit.
My Final Verdict
After testing the Powermax ACDelco 6-Count CR2016 Batteries in my watch, AirTag, and key fob, I’m satisfied with the consistent 3-volt output and 80 milliamp-hour capacity. The 5-year shelf life is a real bonus for stocking up, and the mercury-free composition makes me feel better about using them around the house. I’d recommend these to anyone who wants a reliable stash of coin cells for everyday electronics, but skip them if you need rechargeable or higher-capacity batteries.
The child-protective packaging is a minor annoyance, but it’s a safety feature I can live with. Given the solid performance and long shelf life, I’d buy these again for my emergency kit and spare battery drawer without hesitation.
Ready to Check the Price?
If you need a dependable pack of CR2016 batteries for watches, key fobs, or AirTags, this is a solid choice worth a look.
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