# TLDR Review: Energizer CR123A Batteries

*Published: 2024-11-20 | Updated: 2024-12-14 | Source: https://shopsavvy.com/reviews-tldr/energizer-cr123a-batteries*

---

## Product: Energizer CR123A Batteries
**Brand:** Energizer

## Pros
- Long-lasting performance compared to cheap alternatives
- Ideal for old 35mm film cameras
- Reliable and trustworthy brand
- Effective for replacing batteries in window sensors
- The 123 and 123A batteries are interchangeable and fit in the same slots
- Distinguishing appearance from lower voltage batteries

## Cons
- Expensive compared to alternatives
- Does not fit all CR123A applications, despite being advertised as a compatible size
- Batteries do not last the advertised 10 years; failed within 5 years
- Concerns about reliability for smoke detector use
- Batteries and flashlight heated up excessively during use
- User expected higher quality from this brand based on previous experience

## Bottom Line

If you’re looking for a dependable battery for your old 35mm film camera or certain sensors, the Energizer 123 Lithium Photo Batteries can do the job. However, they're not the most budget-friendly, and issues with sizing and overheating might make you want to look elsewhere, especially for sensitive devices like smoke detectors. Consider the advertised longevity with a grain of salt and weigh these factors before splurging on this premium option.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Long-lasting performance compared to cheap alternatives | Expensive compared to alternatives |
| Ideal for old 35mm film cameras | Does not fit all CR123A applications, despite being advertised as a compatible size |
| Reliable and trustworthy brand | Batteries do not last the advertised 10 years; failed within 5 years |
| Effective for replacing batteries in window sensors | Concerns about reliability for smoke detector use |
| The 123 and 123A batteries are interchangeable and fit in the same slots | Batteries and flashlight heated up excessively during use |
| Distinguishing appearance from lower voltage batteries | User expected higher quality from this brand based on previous experience |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Camping World | $8.35  | Check |
| Al's Sporting Goods | $9.99  | Check |
| GameStop | $10.98  | Check |
| Scheels | $11.99  | Check |
| BatteryJunction | $15.00  | Check |
| brownells.com | $15.99  | Check |
| Sami Depot | $16.00  | Check |
| BrookPad | $17.00  | Check |
| Dollar Fanatic Online Dollar Store | $17.99  | Check |
| Shipped Price | $17.99  | Check |
| outdoor gear exchange | $18.95  | Check |
| outdoority | $18.99  | Check |
| Big Country Sporting Goods | $19.51  | Check |
| truegether | $19.53  | Check |
| batterieswholesalers.com | $19.61  | Check |
| Money Saving Mart | $19.80  | Check |
| B&H | $19.95  | Check |
| Amazon | $19.98  | Check |
| BrandsMart USA | $19.99  | Check |
| Reeds Family Outdoor Outfitters | $19.99  | Check |

---

*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*