Nothing is more frustrating than a digital scale that gives different readings every time you step on it. That drifting number is often a dying battery, not your weight. The right CR2450 Lithium Coin Battery for digital scales that give accurate readings delivers steady 3.0 volts until the very end, so your scale stays honest.
I picked these five based on three hard rules. First, every battery must hold a stable 3.0 volt output under the light, constant draw of a digital scale. Second, I only considered batteries with strong customer feedback — over 90 reviews minimum and a rating of 4.6 stars or higher. Third, I prioritized packs that give you real value without forcing you to buy more batteries than you’ll use in a year.
Quick Comparison: best CR2450 Lithium Coin Battery for digital scales that give accurate readings
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | Energizer 2450 Best Overall |
Reliable, accurate scales | 2-Pack | Check Price → |
| 2 | Panasonic CR2450 Runner Up |
Long shelf life | 2-Pack | Check Price → |
| 3 | PHILIPS CR2450 Best Value Pack |
Multi-device households | 5-Pack | Check Price → |
| 4 | Enegitech CR2450 Budget Pick |
Leak-proof guarantee | 6-Pack | Check Price → |
| 5 | PGSONIC CR2450 Most Popular |
High volume users | 5-Pack | Check Price → |
How I Selected These Products
I started by looking for batteries that hold a steady 3.0 volt output under the light load of a digital scale. Voltage drops cause the inconsistent readings that drive people crazy, so stability was my number one filter.
Value mattered too. I compared how many batteries you get per pack and checked whether the price per battery actually made sense for someone who might only swap a scale battery once a year. A good deal isn’t a deal if you’re stuck with extras that expire.
Finally, I dug into user feedback. I only picked batteries with at least a 4.6-star rating and enough reviews to prove the reliability wasn’t a fluke. Real people reporting consistent performance over months was what sealed each spot on this list.
Best Overall
Energizer 2450 Lithium Coin Battery
2-Pack | 4.8 out of 5 stars (6,397 reviews) | Amazon’s Choice | 30K+ bought in past month | 12-year shelf life
The Energizer 2450 Lithium Coin Battery is the most reliable option I tested for keeping digital scale readings accurate. With over 6,300 ratings and a 4.8-star average, it has more verified feedback than any other battery on this list. The 12-year shelf life means you can stash a pack now and it’ll still deliver full voltage when your scale starts acting up years later.
This is the best pick for anyone who wants zero guesswork and a brand they already trust. The only catch is the 2-pack — if you need batteries for multiple devices right now, you’ll get more value from a larger multipack.
✅ Pros
- Massive 6,397 reviews with a 4.8-star average — proven reliability
- 12-year shelf life means you can stock up without worrying about expiry
- Amazon’s Choice badge and over 30,000 units bought in the past month
- Consistent 3.0 volt output keeps digital scale readings stable
❌ Cons
- Only 2 batteries per pack — not ideal if you need to replace several devices at once
- Premium brand means higher cost per battery compared to generic options
Runner Up
Panasonic CR2450 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant
2-Pack | 4.8 out of 5 stars (1,614 reviews) | Amazon’s Choice | 4K+ bought in past month | Child-resistant packaging
Panasonic’s CR2450 is the closest competitor to Energizer in terms of build quality and voltage stability. I appreciate the child-resistant packaging — it’s a small detail that matters if you have kids around. With a 4.8-star average from over 1,600 reviews, it’s clearly a battery people trust for sensitive electronics like digital scales.
This is a great choice if safety packaging matters to you or if you want a brand with decades of battery experience. The downside is the price per battery — it’s higher than most other options on this list, so you’re paying for the brand and the child-resistant design.
✅ Pros
- Child-resistant, standards-based packaging for safer storage
- Strong 4.8-star rating from over 1,600 verified buyers
- Amazon’s Choice badge with 4,000+ units bought in the past month
- Consistent 3.0 volt output ideal for accurate digital scale readings
❌ Cons
- Higher price per battery than most competitors on this list
- Only a 2-pack — not as cost-effective if you need multiple spares
Best Value Pack
PHILIPS CR2450 Battery
5-Pack | 4.8 out of 5 stars (823 reviews) | Amazon’s Choice | 3K+ bought in past month | 10-year shelf life
The PHILIPS CR2450 Battery is the smart pick if you need to replace batteries in multiple devices around the house. I like the 5-pack format — it gives you enough spares for your scale, car key fob, and a medical device without having to reorder next week. The 10-year shelf life means those extra batteries will still be good when you need them.
This is best for households with several CR2450-powered devices. The trade-off is that Philips isn’t as established in the battery space as Energizer or Panasonic, though the 4.8-star rating from over 800 buyers is reassuring.
✅ Pros
- 5-pack gives you plenty of spares for multiple devices
- 10-year shelf life so extras stay fresh for years
- Solid 4.8-star average from 823 reviews
- Amazon’s Choice with 3,000+ units bought in the past month
❌ Cons
- Less brand history in batteries compared to Energizer or Panasonic
- Price per battery is slightly higher than budget options like Enegitech
Budget Pick
Enegitech CR2450 3V Lithium Coin Batteries (6 Pack) – Leak Proof Button Cell for Key Fobs
6-Pack | 4.6 out of 5 stars (90 reviews) | Amazon’s Choice | 50+ bought in past month | Leak-proof design
The Enegitech CR2450 3V Lithium Coin Batteries are the most budget-friendly option I found that still delivers decent performance for digital scales. The 6-pack gives you the most batteries for your money, and the leak-proof design is a nice safety feature. With a 4.6-star rating, it’s not as highly reviewed as the top picks, but it gets the job done.
This is the right pick if you’re on a tight budget or need a bulk supply for low-drain devices. The limitation is that it only has 90 reviews, so the sample size for that 4.6-star rating is much smaller than the bigger brands.
✅ Pros
- 6-pack offers the most batteries per purchase on this list
- Leak-proof design helps protect your scale from damage
- Amazon’s Choice badge for added trust
- Very budget-friendly cost per battery
❌ Cons
- Only 90 reviews — less proven than top-rated competitors
- Lower 4.6-star rating compared to 4.8-star options from bigger brands
Most Popular
PGSONIC CR2450 3V Lithium Battery (5pcs) Brand: PGSONIC 4.6
5-Pack | 4.6 out of 5 stars (22,468 reviews) | 10K+ bought in past month | 620 mAh capacity | 3 volts
The PGSONIC CR2450 3V Lithium Battery is the dark horse of this list with over 22,000 reviews — more than any other battery here. I was impressed by the 620 mAh capacity, which is actually specified, unlike many generic batteries that skip this detail. The 5-pack gives you plenty of spares for scales, remotes, and key fobs.
This is the best choice if you want a battery with massive community validation and a clear capacity spec. The downside is that PGSONIC is a lesser-known brand, and the 4.6-star rating is lower than the 4.8-star options from Energizer, Panasonic, and Philips.
✅ Pros
- Over 22,000 reviews — the most feedback of any battery on this list
- Specified 620 mAh capacity so you know exactly what you’re getting
- 5-pack offers good value with 10,000+ units bought in the past month
- Lightweight at 32 grams for easy handling
❌ Cons
- Less recognizable brand name compared to Energizer or Panasonic
- 4.6-star rating is good but not as high as the 4.8-star leaders
What to Look for in CR2450 Lithium Coin Battery for digital scales that give accurate readings
I’ve tested enough coin cell batteries to know that not all CR2450s are created equal, especially when your digital scale’s accuracy depends on steady voltage. The biggest mistake I see people make is grabbing the cheapest pack without checking shelf life or voltage stability — then wondering why their scale drifts after a few weeks.
Voltage Stability
A digital scale needs consistent 3.0 volts to give you accurate readings every time you step on it. If the voltage dips even slightly, your scale can show different numbers on consecutive weigh-ins. Look for lithium coin cells that hold their voltage steady until the very end of their life — that’s what separates good batteries from frustrating ones.
Shelf Life
You’re probably not swapping your scale battery every month, so shelf life matters more than you’d think. A battery with a 10-year or 12-year shelf life means you can buy a pack today and it’ll still deliver full voltage when your scale starts acting up years from now. Shorter shelf lives increase the chance you’ll grab a battery that’s already lost some of its capacity.
Pack Size and Value
Most CR2450 batteries come in packs of 2, 5, or 6. If you only need one for your scale, a 2-pack is fine — but if you also have key fobs, thermometers, or medical devices using the same battery, a larger pack saves you from reordering next week. Just don’t buy a massive pack if you won’t use them before the shelf life expires.
Brand Reputation and Reviews
I always check the number of reviews before trusting a battery brand. A 4.8-star rating from 6,000 reviews tells me a lot more than the same rating from 90 reviews. Established brands like Energizer and Panasonic have decades of quality control behind them, but newer brands can still be good if they have enough verified feedback to back up their claims.
Safety Features
Child-resistant packaging and leak-proof designs are worth paying a little extra for. CR2450 batteries are small and easy for kids to swallow, and a leaking battery can ruin your scale’s internal contacts. If you have children in the house, prioritize batteries with child-resistant blister packs — it’s a simple precaution that makes a real difference.
My Shortcut Advice: Pick the Energizer 2450 if you want zero guesswork — it has the most reviews, a 12-year shelf life, and proven voltage stability. If you need to save money, go with a 5-pack from a brand with at least 1,000 reviews so you know the quality is consistent.
Frequently Asked Questions
What is the best CR2450 lithium coin battery for digital scales?
I recommend the Energizer 2450 Lithium Coin Battery as my top pick. It has a 4.8-star average from over 6,300 reviews, a 12-year shelf life, and consistent 3.0 volt output that keeps your scale readings accurate. If you want a more budget-friendly option, the PGSONIC CR2450 with its 620 mAh capacity is a solid alternative with over 22,000 reviews.
How long will a CR2450 battery last in a digital scale?
Most digital scales draw very little power, so a quality CR2450 lithium coin battery typically lasts 12 to 24 months depending on how often you use the scale. Batteries with a longer shelf life, like the Energizer 2450 with its 12-year rating, tend to hold their voltage better over that period. You’ll know it’s time to replace it when your scale starts showing inconsistent readings.
Is a CR2450 the same as a CR2032?
No, they are not the same. A CR2450 is thicker and has a higher capacity than a CR2032 — the 2450 measures 24mm in diameter and 5.0mm thick, while the CR2032 is 20mm by 3.2mm. You cannot swap them in a device designed for the other size, so always check your scale’s battery compartment before buying.
Can a CR2450 battery power other devices besides scales?
Absolutely. CR2450 batteries are used in car key fobs, medical devices like glucose monitors, garage door openers, remote controls, and some thermometers. The PHILIPS CR2450 5-pack even lists MyQ garage door batteries as a use case. Just make sure the device requires a 3.0 volt coin cell and fits the 24.5mm diameter.
How many CR2450 batteries do I need for my digital scale?
Most digital scales use a single CR2450 battery. A 2-pack from Energizer or Panasonic is plenty if you only need one spare. If you have multiple devices that use this battery, the 5-pack from Philips or PGSONIC gives you better value without forcing you to buy more than you’ll use.
Are cheaper CR2450 batteries worth buying?
It depends on what you’re powering. For a low-drain device like a digital scale, a budget option like the Enegitech CR2450 6-pack can work fine. But I’ve found that cheaper batteries sometimes have shorter shelf lives and less consistent voltage output, which can cause scale drift. If accuracy matters to you, stick with a brand that has at least 1,000 reviews and a 4.6-star or higher rating.
What’s the difference between lithium and alkaline coin cell batteries?
Lithium coin cells like the CR2450 deliver a steady 3.0 volts and have a much longer shelf life — up to 12 years for the Energizer 2450. Alkaline coin cells typically output 1.5 volts and lose their charge faster, even when not in use. For digital scales that need consistent voltage for accurate readings, always choose lithium.
How do I know when my scale’s CR2450 battery needs replacing?
The most obvious sign is inconsistent readings — if you step on the scale twice and get different numbers, the battery is likely dying. Some scales show a low battery symbol on the display. I recommend replacing the battery as soon as you notice any drift, since a dying battery can give you readings that are off by several pounds.
My Final Verdict
After testing all five options, the Energizer 2450 Lithium Coin Battery is my clear winner. It has the highest rating (4.8 stars from 6,397 reviews), the longest shelf life at 12 years, and the brand trust to back it up. For the runner-up, the Panasonic CR2450 is a nearly identical performer with child-resistant packaging. And if you want the most batteries for your money, the PHILIPS CR2450 5-pack gives you great value without sacrificing quality.
If you’re still unsure, here’s my simple rule: buy the Energizer 2-pack for your scale and you’re done — it’s the safest bet on the market. If budget is your priority, grab the PHILIPS 5-pack and keep the extras for your other devices. Either way, you’ll get accurate readings without second-guessing your battery.
My Top Pick: Energizer 2450 Lithium Coin Battery
Buy this if you want the most reliable CR2450 for your digital scale — it has a 12-year shelf life, a 4.8-star rating from over 6,300 reviews, and the voltage stability your scale needs for accurate readings.
Runner Up: Panasonic CR2450 3.0 Volt Long Lasting
Choose this if child-resistant packaging is a priority for your household — it delivers the same 4.8-star reliability as Energizer with added safety features.
Best Value: PHILIPS CR2450 Battery
Pick this 5-pack if you have multiple devices that use CR2450 batteries — it offers a 10-year shelf life and solid 4.8-star quality at a competitive price per battery.