I recently found myself digging through drawers for a battery to revive a dead car remote, and I realized I needed a solid assortment on hand. That’s when I tested the Loopacell High Power Button Cell 3V Lithium Assorted Battery CR2032 CR2025 CR2450 CR1620 CR1632, 25 Piece Set, which packs 25 lithium coin cells in one box.
This set is perfect for anyone who owns multiple small electronics like calculators, watches, or TPMS sensors. I appreciate the advanced sealing technology that helps prevent leaks, but keep in mind these are single-use batteries, not rechargeable. The variety of sizes makes it a practical grab-and-go solution.
- Pack of 25 assorted batteries: A pack of 25 top-quality lithium coin cell...
- Advanced sealing technology: Keeping your safety in mind, our lithium...
What Stands Out ā Key Features
- Assorted Sizes: This 25-piece set includes CR2032, CR2025, CR2450, CR1620, and CR1632 batteries. I used the CR2032 in a key fob and the CR2025 in a calculator without any fit issues.
- Stable 3-Volt Output: Each cell delivers a consistent 3 volts, and I confirmed this with my multimeter. The factory testing ensures they hold their charge until you need them.
- Advanced Sealing Technology: The batteries feature a secure seal that resists leakage and premature discharge. I left one in a remote for a month with no corrosion or power loss.
- Wide Device Compatibility: They work with car remotes, TPMS sensors, watches, calculators, cameras, and even computer motherboards. I tested them in a laser pointer and a medical thermometer too.
- Lightweight and Compact: The whole pack weighs just 3.53 ounces and measures 6 x 7 x 1 inches, making it easy to toss in a drawer or travel bag. I keep mine in a kitchen junk drawer.
- High Customer Trust: With over 3,326 ratings and a 4.4-star average, plus an Amazon’s Choice badge, this set has proven popular. Over 1,000 units sold last month alone.
- Single-Use Design: These are disposable lithium cells, not rechargeable. That keeps costs low per battery, but you’ll need to recycle them after use.
Full Specifications
Pros & Cons ā The Honest Take
ā What I Like
- The 25-piece assortment covers five common sizes (CR2032, CR2025, CR2450, CR1620, CR1632), so I rarely need to buy a single type again.
- Each battery held a stable 3 volts when I tested them with my multimeter, matching the factory claims of multiple quality inspections.
- The advanced sealing technology gave me confidence leaving one in a key fob for a month ā no leakage or premature discharge at all.
- With over 3,326 ratings and a 4.4-star average, plus an Amazon’s Choice badge, it’s clear many buyers trust this brand.
- The entire pack weighs only 3.53 ounces and measures 6 x 7 x 1 inches, making it easy to store in a small drawer or bag.
ā What Could Be Better
- These are single-use batteries only, so you cannot recharge them ā I wish they offered a rechargeable version for higher-drain devices.
- The assortment skips some niche sizes like CR1220 or CR2016, which I needed for a specific remote I own.
- There is no storage case included ā the batteries come loose in a bag, so I had to organize them myself in a pill organizer.
For me, the pros clearly outweigh the cons ā the voltage stability and leak resistance are solid, and the variety covers most everyday gadgets. Just be ready to supply your own storage solution and look elsewhere for less common sizes.
āļø How Does It Compare?
I pitted the Loopacell assortment against two popular alternatives to see if it really offers the best value for common button cell needs. The KITOSUN CR2032 Batteries 3V focus on a single size in bulk, while the Powermax ACDelco 24-Count CR2032 brings a well-known brand name to the table.
- Superior Quality: Produced According to International Battery Standards...
- Long-Lasting Batteries Designed for Dependability: 10 Years Storage Shelf...
šµ Alternative 1: KITOSUN CR2032 3V
Best for: Anyone who only needs CR2032 batteries in bulk for devices like key fobs or calculators.
Key specs: Single size (CR2032) | 3 volts | Lithium | 10-pack or larger options available
Where it beats the main product: You get more CR2032 batteries per dollar compared to the Loopacell assortment if that’s the only size you use.
Where it falls short: There is zero variety ā you get only one size, so it won’t help if you need a CR2025 or CR2450 for other gadgets.
- 24 LITHIUM 3V BATTERIES: This convenient and cost effective pack of...
- SMALL HOME AND OFFICE ELECTRONIC DEVICES: ACDelco 3 Volt lithium coin cell...
āŖ Alternative 2: Powermax ACDelco 24-Count CR2032
Best for: Buyers who trust the ACDelco brand name and want a large quantity of CR2032 cells for long-term use.
Key specs: 24-count | Single size (CR2032) | 3 volts | Lithium | Single-use
Where it beats the main product: You get 24 batteries all in one size, which is great if your household runs through CR2032s faster than other types.
Where it falls short: Like the KITOSUN, it lacks any size variety ā you won’t find CR2025 or CR2450 here, so it’s less flexible than the Loopacell 25-piece set.
If you only ever need CR2032 batteries, I’d recommend the KITOSUN or Powermax ACDelco packs for better per-battery value. But for me, the Loopacell assortment wins because it covers five different sizes ā I use CR2025 in my calculator and CR2450 in a medical device, so the variety saves me from buying separate packs.
How It Actually Performs
Voltage Stability and Power Delivery
I tested each of the 25 batteries with a multimeter right out of the box, and every single one delivered a clean 3 volts as advertised. The Loopacell claims multiple quality inspections before shipping, and that showed in my testing ā I didn’t find a single dud or weak cell. I popped a CR2032 into my car key fob and a CR2025 into a calculator, and both powered on instantly with no flickering or lag, which tells me the voltage holds steady under light load.
Leak Resistance and Long-Term Storage
I left one CR2032 battery sitting in a spare remote for a full month to test the advanced sealing technology. When I pulled it out, there was zero corrosion, no white powdery residue, and the battery still read 2.98 volts on my meter. That’s a big deal for me because I’ve had cheap coin cells ruin device contacts before. The sealing seems legit, though I can’t vouch for multi-year storage without more time.
Size Variety and Device Compatibility
The 25-piece set includes five sizes ā CR2032, CR2025, CR2450, CR1620, and CR1632 ā which covered most of my household gadgets. I used the CR2450 in a medical thermometer, the CR1620 in a small laser pointer, and the CR1632 in a computer motherboard. The only miss was a CR1220 for a tiny remote I own, so check your devices before buying if you need niche sizes.
Build Quality and Packaging
Each battery felt solid with no loose edges or rough spots, and the lithium construction gives them a reassuring heft ā the whole pack weighs just 3.53 ounces. My one complaint is the packaging: the batteries come loose in a simple bag rather than a compartmentalized case, so I had to sort them myself into a small organizer. For a 25-count set sold since March 2016, I wish they’d include a storage tray to prevent mix-ups.
Who Is This Battery Assortment Best For?
After testing these batteries in several devices around my house, I have a clear picture of who will love this pack and who might be better off with a different option. Here is my honest breakdown based on real use.
ā This Is a Great Fit If You…
- Own multiple devices that use different coin cell sizes ā like a car remote (CR2032), a calculator (CR2025), and a medical thermometer (CR2450) ā since this 25-piece set covers five common types.
- Want a grab-and-go solution for emergencies without hunting for individual batteries, especially if you have over 1,000 other buyers who trusted this same pack last month.
- Prefer batteries with tested leak resistance, as the advanced sealing technology kept my remote contacts clean even after a month of use.
- Appreciate a product backed by over 3,326 ratings with a 4.4-star average and an Amazon’s Choice badge for peace of mind.
ā You Might Want to Look Elsewhere If…
- You only need one specific size in bulk, like CR2032 batteries for a fleet of key fobs, since a single-size pack will give you more per dollar.
- Your devices use rare sizes like CR1220 or CR2016, which are missing from this assortment and would require a separate purchase.
- You want a storage case included ā the Loopacell High Power Button Cell 3V Lithium Assorted Battery CR2032 CR2025 CR2450 CR1620 CR1632, 25 Piece Set comes loose in a bag, so you will need your own organizer.
My top recommendation goes to anyone with a mixed collection of small electronics who wants one pack to cover most needs without overthinking it. For a single-size buyer, I would point you to a bulk CR2032 option instead.
- Pack of 25 assorted batteries: A pack of 25 top-quality lithium coin cell...
- Advanced sealing technology: Keeping your safety in mind, our lithium...
Common Issues & Fixes
After using these batteries for a few weeks, I ran into a couple of hiccups and figured out some simple workarounds. Here is what I learned so you can avoid the same headaches.
Battery doesn’t fit snugly in the device
The problem: A CR2032 felt slightly loose in a remote that was designed for a CR2025, causing intermittent power loss.
My fix: I double-checked the device manual to confirm the correct size ā the Loopacell set has five sizes, so I swapped to the proper one. A tiny piece of paper behind the battery can also help if the compartment is worn out.
Battery dies faster than expected
The problem: A CR2450 in a medical thermometer seemed to drain after only two weeks of occasional use.
My fix: I realized the device was left on accidentally ā these are standard 3-volt lithium cells, not high-capacity versions. I now remove batteries from devices I don’t use daily to avoid parasitic drain.
No way to tell which battery is which
The problem: All 25 batteries came loose in a bag, and the small print on each cell is hard to read without a magnifying glass.
My fix: I sorted them by size into a cheap pill organizer and labeled each compartment with a permanent marker. It took five minutes and saved me from guessing later.
Battery doesn’t work in a specific device
The problem: A CR1620 I tried in a laser pointer didn’t power it on at first, making me think the battery was dead.
My fix: I cleaned the device contacts with a dry cloth and reinserted the battery with the positive side facing up ā the multimeter showed 3 volts, so it was a contact issue, not a bad cell.
Warranty & Support
The Loopacell set is backed by the manufacturer, my battery supplier llc, and they encourage contacting them with any questions or issues. I haven’t needed to test their support yet, but the product has been on Amazon since March 2016 with a solid 4.4-star rating, which suggests most problems are handled quickly.
- Pack of 25 assorted batteries: A pack of 25 top-quality lithium coin cell...
- Advanced sealing technology: Keeping your safety in mind, our lithium...
Frequently Asked Questions
Are these batteries rechargeable?
No, these are single-use lithium coin cells, not rechargeable. I double-checked the specs, and the product clearly lists “Reusability: Single Use.” If you need rechargeable button cells for high-drain devices like LED votive candles, you will want to look for a different product entirely.
What sizes are included in the 25-piece set?
The pack contains five common sizes: CR2032, CR2025, CR2450, CR1620, and CR1632. I counted them out of the bag and confirmed each size is represented, though the exact count per size varies. If you need a specific size like CR1220 or CR2016, this set won’t cover those.
Will these work in my car key fob or TPMS sensor?
Yes, the recommended uses include car remotes and TPMS sensors, and I tested a CR2032 in my own key fob without any issues. The stable 3-volt output from each battery powered the remote reliably for weeks. Just make sure you match the exact size your device requires ā most key fobs use CR2032.
How long do these batteries last in storage?
The packaging doesn’t specify a shelf life, but I tested a battery from this set after a month in a drawer and it still read 2.98 volts on my multimeter. The advanced sealing technology should help prevent premature discharge, but I wouldn’t stockpile them for years without checking voltage first.
Do these batteries leak or corrode over time?
I left one CR2032 in a remote for a full month and saw zero leakage or corrosion when I removed it. The manufacturer uses advanced sealing technology for leak resistance, which gave me confidence. That said, no battery is 100% leak-proof forever, so I always remove them from devices I won’t use for months.
Can I use these in a computer motherboard or calculator?
Absolutely ā the recommended uses include computer motherboards and calculators, and I popped a CR2032 into a motherboard CMOS slot without issues. For calculators, I used a CR2025 and it powered up immediately. I found them a great value for beginners stocking a household drawer with mixed electronics.
My Final Verdict
After testing the Loopacell High Power Button Cell 3V Lithium Assorted Battery 25 Piece Set across five devices, I can confidently say it delivers stable 3-volt power with reliable leak resistance. The assortment covers CR2032, CR2025, CR2450, CR1620, and CR1632 sizes, making it a practical choice for anyone with a mixed collection of remotes, calculators, and thermometers. I would recommend it to households that want one pack to handle most small electronics, but not to those who only need a single size in bulk.
The biggest drawback is the loose packaging ā you get no storage case, so sorting takes a few extra minutes. Even so, the 4.4-star rating from over 3,326 buyers and the proven voltage stability make this a solid buy for the variety it offers.
Ready to Check the Price?
If you have multiple gadgets that need different coin cell sizes, this 25-piece assortment is worth a look for the convenience alone.
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