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5 Best C123 Battery Options for 2026
Should you rely on CR123A cells for cameras, flash units, or security gear, you’ll want options that balance shelf life, capacity, and cost. I’ll compare top choices—Energizer, Duracell, Amazon Basics, and rechargeable CR123 variants—so you can pick what suits occasional use or frequent, high‑drain needs. Keep the devices you use and how often you swap batteries in mind as we go through the best picks.
| Energizer 123 Lithium Batteries (2 Pack) 3V Photo Batteries | Reliable Power | Battery Type: 3V lithium (CR123/CR123A) | Intended Uses: Cameras, flashlights, smart home devices | Single-use vs Rechargeable: Single-use (non-rechargeable) lithium | CHECK LATEST PRICE | Read Our Analysis | |
| Amazon Basics 6-Pack CR123A 3V Lithium Batteries |
| High Capacity | Battery Type: 3V lithium (CR123A) | Intended Uses: Flashlights, night-vision goggles, compatible devices | Single-use vs Rechargeable: Single-use (non-rechargeable) lithium | CHECK LATEST PRICE | Read Our Analysis |
| Duracell CR123A 3V Lithium Batteries (6-Pack) |
| Trusted Brand | Battery Type: 3V lithium (CR123A/CR17345) | Intended Uses: Wireless security, home automation, photography, lighting, smoke alarms | Single-use vs Rechargeable: Single-use (non-rechargeable) lithium | CHECK LATEST PRICE | Read Our Analysis |
| Energizer 123 Lithium Batteries (6 Pack) 3V Photo Batteries |
| Bulk Supply | Battery Type: 3V lithium (CR123/CR123A) | Intended Uses: Cameras, flashlights, smart home devices, high-tech devices | Single-use vs Rechargeable: Single-use (non-rechargeable) lithium | CHECK LATEST PRICE | Read Our Analysis |
| Amazon Basics C Cell Alkaline Batteries (12-Pack) |
| Everyday Use | Battery Type: 1.5V alkaline (C cell) | Intended Uses: Toys, clocks, flashlights, other battery-operated devices | Single-use vs Rechargeable: Single-use (non-rechargeable) alkaline | CHECK LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Energizer 123 Lithium Batteries (2 Pack) 3V Photo Batteries
Reliable Power
Check Latest PriceShould you need dependable, long-lasting power for cameras, flashlights, or smart-home gear, choose the Energizer 123 Lithium 2-pack — it delivers 3V of reliable photo-grade power, fits CR123/CR123A and related sizes, and can sit unused for up to 10 years without losing charge. You’ll get a compact two-pack that replaces 5018LC, CR123, CR123A, CR17345, and EL123, supplying serious power for high-tech devices. Use them in cameras and flash units, or in smart-home sensors and flashlights where consistency matters. They provide reliable, long-term performance so your gear stays ready whenever you need it.
- Battery Type:3V lithium (CR123/CR123A)
- Intended Uses:Cameras, flashlights, smart home devices
- Single-use vs Rechargeable:Single-use (non-rechargeable) lithium
- Shelf/Storage Life:Up to 10 years in storage
- Pack Quantity:2-pack
- Common Brand Positioning / Reliability Claim:Reliable power for smart home devices and flashlights
- Additional Feature:Replaces multiple codes
- Additional Feature:Powerful photo-grade output
- Additional Feature:2-count compact pack
Amazon Basics 6-Pack CR123A 3V Lithium Batteries
In case you need reliable, long-lasting single-use cells for flashlights, night-vision gear, or similar devices, the Amazon Basics 6-pack CR123A 3V lithiums are a solid choice: each non-rechargeable cell delivers about 1,550 mAh and a claimed up to 10-year leak-free shelf life, though they aren’t suitable for rechargeable applications or recommended for Arlo security cameras. You’ll get consistent power for compatible devices, and the six-pack offers good value should you replace batteries periodically. Do keep in mind these are single-use only; opt for Amazon Basics’ rechargeable line or other rechargeable CR123A alternatives in case you need reuseable options.
- Battery Type:3V lithium (CR123A)
- Intended Uses:Flashlights, night-vision goggles, compatible devices
- Single-use vs Rechargeable:Single-use (non-rechargeable) lithium
- Shelf/Storage Life:Up to 10-year leak-free shelf life
- Pack Quantity:6-pack
- Common Brand Positioning / Reliability Claim:Long-lasting, leak-free shelf life; noted device compatibility limits
- Additional Feature:1,550 mAh capacity
- Additional Feature:Not for Arlo cameras
- Additional Feature:6-count value pack
Duracell CR123A 3V Lithium Batteries (6-Pack)
Choose Duracell CR123A 3V Lithium Batteries (6-Pack) whenever you need long-lasting, dependable power for high-drain gear like security systems, flash units, and tactical flashlights. You’ll get CR123A cells (also labeled CR17345) that deliver stable 3V output and suit devices requiring 3V lithium. Duracell’s 6-pack covers photography, home automation, lighting equipment, smoke alarms, and more. The chemistry promises high power and a 10-year storage life, so spares stay ready. Duracell backs these batteries against material and workmanship defects, and as a leading brand, it offers the consistency and reliability you’d expect for critical applications.
- Battery Type:3V lithium (CR123A/CR17345)
- Intended Uses:Wireless security, home automation, photography, lighting, smoke alarms
- Single-use vs Rechargeable:Single-use (non-rechargeable) lithium
- Shelf/Storage Life:Guaranteed 10 years in storage
- Pack Quantity:6-pack
- Common Brand Positioning / Reliability Claim:Built for reliable performance; quality assurance/guarantee
- Additional Feature:Guaranteed defect coverage
- Additional Feature:Multiple size equivalents
- Additional Feature:Suited for security systems
Energizer 123 Lithium Batteries (6 Pack) 3V Photo Batteries
In case you need dependable power for cameras, flashlights, or smart-home gear, the Energizer 123 Lithium 6-pack delivers: six 3V photo batteries that replace CR123/CR17345 types and hold up to 10 years in storage, so you can stock spares without worry. You’ll get replacements for 5018LC, CR123A, and EL123 in a convenient six-pack. These batteries provide consistent, powerful output for high-drain devices like cameras and advanced flashlights, and they’re well-suited to smart-home sensors and other tech. Keep them on hand for reliable performance whenever you require it most; their long shelf life minimizes maintenance and unexpected power loss.
- Battery Type:3V lithium (CR123/CR123A)
- Intended Uses:Cameras, flashlights, smart home devices, high-tech devices
- Single-use vs Rechargeable:Single-use (non-rechargeable) lithium
- Shelf/Storage Life:Lasts up to 10 years in storage
- Pack Quantity:6-pack
- Common Brand Positioning / Reliability Claim:Reliable power for smart home devices and flashlights
- Additional Feature:Replaces multiple codes
- Additional Feature:6-count bulk pack
- Additional Feature:Photo-grade performance
Amazon Basics C Cell Alkaline Batteries (12-Pack)
Should you need dependable power for household devices, the Amazon Basics C Cell 12-pack gives you long-lasting, single-use 1.5V alkaline batteries that are ideal for toys, clocks, and flashlights. You’ll get a dozen reliable cells that deliver steady power for everyday gadgets and fit common C-sized compartments. They’re non-rechargeable but offer a 5-year leak-free shelf life, so you can stock them for emergencies or use them right away. Packaging is Certified Frustration-Free and easy to open, which saves time and reduces waste. In case you want affordable, dependable alkaline C cells for routine needs, these are a solid choice.
- Battery Type:1.5V alkaline (C cell)
- Intended Uses:Toys, clocks, flashlights, other battery-operated devices
- Single-use vs Rechargeable:Single-use (non-rechargeable) alkaline
- Shelf/Storage Life:5-year leak-free shelf life
- Pack Quantity:12-pack
- Common Brand Positioning / Reliability Claim:Long-lasting, reliable power for everyday devices
- Additional Feature:1.5V alkaline cells
- Additional Feature:Frustration-free packaging
- Additional Feature:5-year leak-free shelf
Factors to Consider When Choosing C123 Battery
At the time of choosing a C123 battery, you’ll want to weigh chemistry type, voltage and capacity, and whether the cell matches your device’s requirements. Check shelf life expectations and make sure the physical size and fitment are correct so the battery performs reliably. These factors help you pick a battery that’s safe, long-lasting, and compatible.
Battery Chemistry Type
Choose your C123 chemistry based on the device’s power needs, operating temperature, and storage expectations. Should you need reliable, high-drain performance and long shelf life, lithium (non-rechargeable) is the clear choice: it delivers high energy density, a stable 3.0 V nominal voltage, and usable capacity across wide temperatures (often −40°C to +60°C). Alkaline C123s are less common, give lower energy density and about 1.5 V per cell, and they’ll run out faster under heavy loads and perform poorly in cold. Also consider self-discharge and safety: lithium cells keep charge for years with very low self-discharge but require proper storage, disposal, and must not be recharged. Match chemistry to your device and handling capabilities.
Voltage And Capacity
Several key electrical specs determine whether a C123 will suit your device, but voltage and capacity are the most critical: these cells normally provide a nominal 3.0 V and are rated between roughly 1,200–1,700 mAh, and you should match both to your device’s voltage tolerance and expected run-time. You’ll want the nominal 3.0 V for devices designed for that input; higher or lower voltage can cause malfunction. Capacity (mAh) dictates run-time under a given load, but bear in mind rated mAh is measured at low drain. At high continuous currents usable capacity falls, so a 1,700 mAh cell might deliver much less under heavy draw. Also observe lithium 3V cells have very low self-discharge, retaining capacity for years in storage.
Device Compatibility
Because devices differ in electrical and physical requirements, you should confirm the exact cell designation (C123/CR123A/123), nominal voltage, and recommended chemistry before buying a battery. Check your device manual for the recommended chemistry—lithium cells deliver higher energy density and better low-temperature performance than alkalines. Confirm cylindrical dimensions and terminal type so the cell fits the compartment or sled and contacts align properly. Make certain the device allows non-rechargeable primary cells when you pick single-use lithium C123s; recharging them is hazardous. For high-current devices like camera flashes or tactical lights, select C123 options rated for high-drain discharge to avoid voltage sag and preserve performance. Matching designation, chemistry, size, and discharge capability prevents damage and guarantees reliable operation.
Shelf Life Expectations
After you’ve matched chemistry, size, and discharge capability to your device, consider how long unused C123/CR123 lithium cells will hold charge—typical shelf life is up to about 10 years provided stored properly. You should store cells at moderate temperatures (around 20–25°C / 68–77°F); heat speeds self-discharge and shortens effective shelf life. Keep batteries in a cool, dry place away from direct sunlight and heat sources to preserve capacity and avoid leakage. Check packaging for explicit “shelf life” or “storage life” ratings in years so you can compare brands. For emergency or infrequently used gear, rotate stock periodically and replace batteries older than their rated shelf life to guarantee dependable performance whenever you require them.
Size And Fitment
Upon selecting a C123/CR123 cell, confirm the physical dimensions (about 34.5 mm long and 17.0 mm diameter) and the terminal shape so the cell will seat and make reliable contact in your device; check whether your device expects a standard CR123A/123-size lithium cell or a proprietary variant since names like CR123, 123A, and CR17345 can match in size yet differ in terminal design. Verify terminal type and polarity orientation—flat or raised positive and negative contact style—so the battery contacts without adapters. Account for compartment clearances, insulation, springs, or retainers that can block slightly oversized or differently shaped cells. In the event you’re replacing packs or multi-cell holders, confirm cell count and voltage match the original to avoid electrical incompatibility.
Rechargeable Vs Disposable
Once you’ve confirmed a C123’s size and terminal type, you’ll need to decide between rechargeable and disposable chemistries based on how you use the device. In case you run devices frequently, rechargeables (3V lithium‑ion or LiFePO4 variants) cost more up front but deliver dozens to hundreds of cycles, lowering long‑term cost per use and cutting waste. For infrequent or emergency gear, disposables offer higher energy density and ~10‑year shelf life, so they stay ready longer. Take into account rechargeables can show lower voltage under heavy load and may give slightly less usable energy in high‑drain photo/flash applications. Check device compatibility and charging logistics—many devices don’t accept rechargeables and you’ll need a proper charger. Balance environmental impact, electricity use, and total ownership cost.
Safety And Handling
Handle C123 (CR123A) cells carefully: store them cool and dry, keep terminals insulated and away from metal, and always insert them with the correct polarity so you don’t risk shorting, leakage, or overheating. Store spares in original packaging or with taped terminals, separated from keys or coins. Don’t mix new and used cells in one device. Never recharge non-rechargeable C123s or force a battery into a compartment; reversed or damaged cells can leak, overheat, or damage equipment. Avoid crushing, puncturing, incinerating, or exposing cells to temperatures beyond manufacturer limits—mechanical or thermal abuse can cause rupture, fire, or explosion. Upon disposing, follow local hazardous-waste or recycling rules; don’t toss lithium primaries in household trash.
