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Energizer CR2430 Lithium Coin Button Cell Battery

Curated from 55 real Reddit conversations

Refreshed on: March 2, 2025

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Energizer CR2430 Lithium Coin Button Cell Battery

Brand: Energizer
Price: $6
Snoop Score:
5.7
Sentiment
5.0
Popularity
8.9
Technical
4.5
Buy on Amazon for $6See All Coin & Button Cell Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

Energizer CR2430 Lithium Coin Button Cell Battery, Pack of 2, is a compact power source designed to keep your everyday gadgets running with a reliable 3V output. It’s engineered for small electronics, delivering just enough juice for devices that don't demand high current. User chatter is a mix of technical nods and skepticism; one reviewer noted, “the internal resistance is so high that it can’t output more than few mA even with direct short,” highlighting the battery’s inherent limitations. While some appreciate its conservative performance for low-drain devices, detractors worry about scenarios where even brief bursts of high current are needed. The debate is as technical as it gets, underscoring a tension between practical application and raw power. Ultimately, this battery is best recommended for niche applications that accommodate low current draw, but may not be the choice for those needing robust performance under demanding conditions.

Not for you? Check out our other rated Coin & Button Cell

the internal impedance is so high that it can’t output more than few mA even with direct short.

Positive Feedback

But if you've got a 10,000 hour LED, who cares if you cut it in half, using the thing for momentary bursts a few times a week.

Negative Feedback
Product
5.7
Energizer CR2430 Lithium Coin Button Cell Battery
Buy on Amazon for $6
Everyday Electronics
4 / 10
Toys & Gadgets
4 / 10
Medical & Security Devices
4 / 10
Computing Accessories
10 / 10
See how this compares to all Coin & Button Cell

What it does well!

Key strengths users can’t stop talking about.
High internal resistance limits current output
“the internal impedance is so high that it can’t output more than few mA even with direct short.”➕
“here impedance = internal resistance of the coin cell.”➕
“The internal resistance of the battery is relatively high at a few hundred ohms.”➕
“these batteries can only put out tens of miliamps.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Potential for high current output leading to LED damage
“But if you've got a 10,000 hour LED, who cares if you cut it in half, using the thing for momentary bursts a few times a week.”➕
“This is just plain incorrect.”➕
“More than enough to smoke most LEDs in this package.”➕
“Everything about this sounds wrong.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Amazon Basics 6-Pack LR44 Alkaline Button Coin Cell BatteryAmazon Basics 6-Pack LR44 Alkaline Button Coin Cell Battery$5
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LOOPACELL High Power Button Cell 3V Lithium Assorted Battery 25 Piece SetLOOPACELL High Power Button Cell 3V Lithium Assorted Battery 25 Piece Set$7
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SKOANBE 10PCS AG13 LR44 303 A76 357 SR44 BatteriesSKOANBE 10PCS AG13 LR44 303 A76 357 SR44 Batteries$3
6.5
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LiCB 20 Pack LR44 AG13 Button Coin Cell BatteriesLiCB 20 Pack LR44 AG13 Button Coin Cell Batteries$5
6.3
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Energizer CR2430 Lithium Coin Button Cell BatteryEnergizer CR2430 Lithium Coin Button Cell Battery$6
5.7
DetailsBuy
Amazon Basics 4-Pack CR2032 Lithium Coin Cell BatteryAmazon Basics 4-Pack CR2032 Lithium Coin Cell Battery$4
5.7
DetailsBuy
Tenergy 3V CR2032 Batteries, 10 PackTenergy 3V CR2032 Batteries, 10 Pack$4
5.6
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LiCB 20 Pack LR41 AG3 392 384 192 Button Coin Cell BatteriesLiCB 20 Pack LR41 AG3 392 384 192 Button Coin Cell Batteries$5
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HoootCell 15Pack AG10 LR1130 BatteryHoootCell 15Pack AG10 LR1130 Battery$2
4.9
DetailsBuy
EEMB 5 Pack CR2450 BatteryEEMB 5 Pack CR2450 Battery$3
4.7
DetailsBuy
LiCB CR2032 Battery,Long-Lasting & High Capacity (20-Pack)LiCB CR2032 Battery,Long-Lasting & High Capacity (20-Pack)$8
4.4
DetailsBuy
Cotchear 10pcs 1.5V AG10 Alkaline BatteryCotchear 10pcs 1.5V AG10 Alkaline Battery$3
4.3
DetailsBuy
Tenergy CR2025 3V Lithium Button Coin Cell Batteries 10 PackTenergy CR2025 3V Lithium Button Coin Cell Batteries 10 Pack$5
4.0
DetailsBuy
BIUBLE CR2032 Lithium Battery 3 Volt Coin Button Cell 200 PackBIUBLE CR2032 Lithium Battery 3 Volt Coin Button Cell 200 Pack$29
3.0
DetailsBuy
Nightkonic CR2032 Battery PackNightkonic CR2032 Battery Pack$9
2.7
DetailsBuy
DURACELL 2-Pack LR44 Alkaline Button Coin Cell BatteryDURACELL 2-Pack LR44 Alkaline Button Coin Cell Battery$4
1.1
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Technical discussions on CR2025 vs CR2032 size and performance differences
“I don't think the internal impedance of the CR2032 is noticeably lower than the thinner counterparts.”➕
“In most cases, I would say that is good.”➕
“They work.”➕
Debate and insights regarding the country of manufacture for coin cell batteries
“Varta offer a CR2016 which I believe is manufactured in Germany.”➕
“My Energizer Lithium 2032 are made in Indonesia, bought past year.”➕
“Yeah it seems like a lot of that stuff are just a whole bunch of 18650 cells and more and more of those are being made in China.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Coin cell battery usage in LED circuits and current limitations
“a coin cell battery and an LED activated by a slide switch.”➕
“even the best ones provide a very low current, around 30-50mA.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Coin cell battery capacity and rechargeability comparisons
“I'm looking for a rechargeable battery that I can use in the exact same devices as the ones that take a disposable CR2032 button battery.”➕
“I'm all for using rechargeables in lieu of throw-aways. But there are some use cases where it just isn't really worth it.”➕
“BR 2032 has almost the same exact capacity of CR2032 while recharges almost indefinitely.”➕
“it doesn’t appear that BR2032 is rechargeable, but the LIR2032 is, which has only 40 mAh compared to the 190 of the BR and 225 of the CR2032.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Energizer's Color Alert/bitterant safety feature on button cells
“Could it be part of the bitter taste feature to discourage children putting them in their mouths?”➕
“This is the Color Alert feature of Energizer batteries.”➕
Concerns over battery longevity in wireless sensor applications
“This is not normal behavior. A sensor should be able to operate for months on a battery.”➕
“The few reviews are not encouraging, though, since some might be fake.”➕
“I had no idea that rechargeable replacement for CR2450 and chargers exists.”➕
Observations of strong chemical or nail polish-like smells from new coin cell batteries
“It is strong and I have no clue what it is and all I see is ‘bad battery’ 😂”➕
“It just doesn't make sense that five different batteries would all be bad, but?? It's confusing”➕
“Had the same smell, anyone confirm what it is? Stinks!”➕
“I don't think I'd describe that as a nail-polish (acetone) smell though.”➕
Concerns about counterfeit Energizer coin cells based on font differences
“I found the font of the energizer text printed on the batteries themselves to look quite odd.”➕
“Yes likely fake.”➕
“These are definitely fake.”➕
“Doesn't look fake.”➕
Occurrence of defective coin cell batteries in unopened packs
“Had a pack of them that I had in a box unopened in my closet and I used one for my airtag and... nada.”➕
“Ya got duds.”➕
“any battery especially the smaller one like coin battery can be killed by moisture, heat or fringe accident like static electricity.”➕
Cold temperature effects on lithium coin cell batteries
“I need to bring my batteries along for this trip.”➕
“it is actually even better to store them at low temps.”➕
“absolutely do not charge and try not to discharge or do a slow discharge below freezing.”➕
“Lithium batteries are actually *recommended equipment* for devices that see prolonged cold exposure but still need to work.”➕
Variability in coin cell longevity and leakage
“yes, some batteries can stay for 20 years and never leak, others leaks after just 2-3 years.”➕
“I don't think I've ever seen one of those leak.”➕
“If you're talking coin cells (CR2032), those are lithium, and very seldom leak.”➕
“It's not 'if' they'll leak, it's 'when' they'll leak that is the question.”➕

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