5 Coin and Button Cell Batteries Compared: CR2477 and More

Byjunaid bignews

We compared five coin and button cells to help shoppers match replacements to their devices. 

The first three cover CR2477-family shopping; the final two use different formats and are not CR2477 substitutes.

Key Takeaways

  • GP CR2477 is our top pick for direct-brand model-code shopping.
  • Panasonic CR2477 supplies nominal-capacity and terminal documentation.
  • Renata CR2477N suits devices requiring that exact N-suffix designation.
  • Energizer Ultimate Child Shield CR2032 has manufacturer-described packaging and coating features.
  • Duracell 76A covers specified 1.5V alkaline applications, with LR44 listed as an equivalent.

How we picked

We used desk research of manufacturer documentation and purchasing information, with no hands-on testing or discharge measurements. 

Our criteria were designation, chemistry, voltage, holder and terminal requirements, specifications, packaging, purchasing transparency and region.

Energizer cautions that coin-lithium formats aren’t interchangeable. Follow your device’s exact requirements, including any tab or terminal variant it calls for.

Sources were accessed on October 16, 2026. Retailer ratings are small, listing-specific samples, not independent battery-performance tests. 

Keep cells away from children and seek immediate medical help after ingestion, as Panasonic warns.

GP CR2477

Pros

  • Published 3V lithium specification.
  • 24.5mm diameter and 7.7mm height.
  • GP-described child-resistant packaging.
  • Visible Hong Kong storefront price.
  • Direct-brand browsing by model code.

Cons

  • Hong Kong delivery terms require a regional check.
  • Confirm listing quantity before comparing costs.

Why we picked GP CR2477

We rank GP first for direct-brand model-code shopping, with clear voltage, dimensions and manufacturer-described packaging.

We appreciate having those checks together, without treating them as proof of superior battery life or reliability.

For model-code shopping, GP lists its CR2477 option alongside other coin and button cells in its Hong Kong collection; check the exact code, pack quantity and checkout total before ordering. 

Page two covers only part of the range.

Spares shows 5.0/5 from 12 reviews on Spares’ GP CR2477-C1 listing, a small purchasing sample rather than a performance test.

Pricing

The observed offer was HK$11.90. Quantity was unclear, so we cannot calculate a per-cell price. 

Confirm quantity, availability and delivery charges before judging value; GP’s published shipping policy covers Hong Kong and does not establish U.S. delivery.

Panasonic CR2477

Pros

  • Published 1000mAh nominal capacity.
  • Model-specific specification and terminal documentation.
  • Observed U.S. single-cell retail offer.

Cons

  • Capacity alone cannot predict device runtime.
  • Terminal and retail variants need checking.

Why we picked Panasonic CR2477

Panasonic lists 3V nominal voltage, 1000mAh nominal capacity and a 0.2mA continuous standard drain. We found its model-specific documentation useful for checking a listing against a device’s requirements.

Those manufacturer ratings don’t show that Panasonic lasts longer than Renata’s 950mAh cell. 

We have no measured device-runtime comparison, so we would use the specifications to check requirements rather than rank endurance.

Battery Junction shows 4.0/5 from 1 review on Battery Junction’s single-pack listing. That single opinion cannot establish battery performance.

Pricing

Battery Junction displayed US3.25 for a one piece blister pack on October 16,2026.This observed retailer offer is not MSRP or a delivered total,anditisn’tacurrency-normalizedcomparisonwithGP’sHK listing.

Renata CR2477N

Pros

  • Explicit CR2477N designation, including the N suffix.
  • Manufacturer-listed 950mAh capacity and 3V voltage.
  • 24.5mm by 7.7mm dimensions and downloadable documentation.

Cons

  • Tabbed or pinned terminal variants need a separate check against the device.
  • No verified current price captured.

Why we picked Renata CR2477N

We picked Renata for devices that specifically call for CR2477N. Its current product page supplies the specifications above, helping us check the full designation instead of treating the suffix as optional.

The downloadable sheet carries revision 08/2019. We therefore used the current product page and did not present its older temperature, discharge-current or self-discharge figures as fresh information.

SIMPOWER displayed 5/5 from 3 customer ratings on the retrieved SIMPOWER listing. That’s the retrieved page’s small sample, not a definitive current total or independent performance evidence.

Pricing

We captured no usable current numerical price. Compare the exact CR2477N code, pack quantity and delivered local cost before ordering, rather than assuming another CR2477 listing is equivalent.

Energizer Ultimate Child Shield CR2032

Pros

  • Color Alert feature described by Energizer.
  • Manufacturer-described bitter coating to deter ingestion.
  • Child-resistant packaging, according to Energizer.

Cons

  • Different format from CR2477.
  • Variant can be confused with other Energizer 2032 packs.

Why we picked Energizer Ultimate Child Shield CR2032

We included this model for devices specifying CR2032. Energizer’s May 2026 announcement covered 2032, 2025 and 2016 sizes; it did not cover CR2477 or establish these features for older packs.

Energizer describes ingestion burn protection for Ultimate Child Shield. We have not independently verified that claim, and swallowing a cell remains a medical emergency. 

The packaging and coating do not replace keeping batteries away from children. Seek immediate medical help if ingestion occurs.

Pricing

We captured no verified current price. Check for both the Ultimate Child Shield name and the 2032 designation, then confirm pack quantity and checkout charges. A similar-looking Energizer pack may be a different variant.

Duracell 76A

Pros

  • Specified 1.5V alkaline chemistry.
  • LR44 listed among Duracell’s equivalents.
  • Packaging Duracell describes as difficult to open without scissors.
  • Manufacturer’s five-year storage guarantee.

Cons

  • Not a CR2477 replacement.
  • Advertised four-pack may exceed a one-cell need.

Why we picked Duracell 76A

We included the 76A for devices requiring an alkaline button cell. Duracell specifies 1.5V and lists LR44 as an equivalent, giving shoppers codes to check against the device label.

We would still verify the device’s chemistry, voltage and holder requirements rather than rely on appearance. 

The five-year guarantee applies to storage; it does not promise five years of operation after installation.

We found no qualifying rating or award source for this product, so neither factors into our recommendation.

Pricing

Duracell advertises a four-pack, but we captured no verified current price. Compare the delivered pack total with the number of cells your device needs, and check the designation before buying.

Conclusion

GP CR2477 remains our top pick for direct-brand model-code shopping, provided the cell meets your device’s requirements and the regional purchase route suits you. 

Panasonic offers specification and terminal documentation; Renata is the option to check when CR2477N is explicitly required.

For CR2032 or 76A devices, start with the corresponding format instead. Confirm the exact variant and pack quantity, then compare delivered costs in the same currency. The observed HK$ and US$ offers are snapshots, not fixed prices.