When you need reliable power for your cameras, remotes, and flashlights, you’ll want to choose the right CR2 3V lithium battery. You’ve got several solid options available, from budget-friendly picks like Amazon Basics to premium brands like Energizer and Duracell. Each battery delivers 800–1000 mAh capacity with stable 3.0V output and extended shelf life. But which one actually works best for your specific needs?
| Energizer CR2 Lithium Batteries (2 Pack) 3V Photo Batteries |
| Best Overall | Battery Capacity (mAh): Not specified | Pack Quantity: 2-pack | Shelf Life: Up to 10 years | VIEW LATEST PRICE | Read Our Analysis |
| Amazon Basics 4-Pack CR2 Lithium Batteries |
| Best Value | Battery Capacity (mAh): 800 mAh | Pack Quantity: 4-pack | Shelf Life: Not specified | VIEW LATEST PRICE | Read Our Analysis |
| POWEROWL CR2 3V Lithium Battery (6-Pack) |
| Best Capacity | Battery Capacity (mAh): 1000 mAh | Pack Quantity: 6-pack | Shelf Life: Up to 10 years | VIEW LATEST PRICE | Read Our Analysis |
| Duracell Ultra CR2 3v Lithium Photo Battery DL-CR2 8 Pack |
| Most Reliable | Battery Capacity (mAh): 800 mAh | Pack Quantity: 8-pack | Shelf Life: Not specified | VIEW LATEST PRICE | Read Our Analysis |
| Enegitech CR2 Lithium Battery 3V 1000mAh (6-Pack) |
| Best Performance | Battery Capacity (mAh): 1000 mAh | Pack Quantity: 6-pack | Shelf Life: Up to 10 years | VIEW LATEST PRICE | Read Our Analysis |
| Panasonic CR2 3.0 Volt Lithium Batteries (6-Pack) |
| Premium Choice | Battery Capacity (mAh): Not specified | Pack Quantity: 6-pack | Shelf Life: Up to 10 years | VIEW LATEST PRICE | Read Our Analysis |
| Tenergy CR2 3V Lithium Battery Non-Rechargeable (10 Pack) |
| Best Compatibility | Battery Capacity (mAh): 800 mAh | Pack Quantity: 10-pack | Shelf Life: About 10 years | VIEW LATEST PRICE | Read Our Analysis |
| EBL CR2 3V Lithium Batteries (6-Pack) |
| Most Versatile | Battery Capacity (mAh): 1000 mAh | Pack Quantity: 6-pack | Shelf Life: 10 years | VIEW LATEST PRICE | Read Our Analysis |
| Energizer 123 Lithium Batteries (2 Pack) 3V Photo Batteries |
| Best Alternative | Battery Capacity (mAh): Not specified | Pack Quantity: 2-pack | Shelf Life: Up to 10 years | VIEW LATEST PRICE | Read Our Analysis |
| PKCELL CR2 3V Lithium Battery 4-Pack |
| Budget Pick | Battery Capacity (mAh): 850 mAh | Pack Quantity: 4-pack | Shelf Life: 10 years | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Energizer CR2 Lithium Batteries (2 Pack) 3V Photo Batteries
Are you searching for a reliable power source that won’t fail when you’re capturing important moments? Energizer CR2 Lithium Batteries deliver consistent performance for digital SLR cameras, calculators, and tablet PCs. These 3V batteries replace models DLCR2, CR15H270, and KCR2. They’re built to handle high-powered devices and maintain functionality across temperature extremes. You’ll get up to 10 years of storage life at room temperature, keeping spare batteries ready when needed. The two-pack format suits photographers who shoot frequently and require dependable backup power. Install these batteries in your camera or device to ensure you capture every moment without interruption or performance degradation.
- Battery Capacity (mAh):Not specified
- Pack Quantity:2-pack
- Shelf Life:Up to 10 years
- Primary Applications:Digital cameras, calculators, tablet PCs
- Operating Temperature Range:High and low temperature operations
- Safety/Protection Features:Reliable performance in extreme temperatures
- Additional Feature:10-year storage life
- Additional Feature:Compatible with digital SLR cameras
- Additional Feature:Multiple device replacements available
Amazon Basics 4-Pack CR2 Lithium Batteries
Looking for reliable power at a competitive price? Amazon Basics 4-Pack CR2 lithium batteries deliver consistent performance without the premium cost. Each battery provides 800 mAh capacity and maintains functionality across temperature extremes, making them suitable for digital cameras, flashlights, and night-vision equipment. The low self-discharge rate ensures your devices stay powered during storage periods. These non-rechargeable batteries measure 0.6 inches in diameter and 1.05 inches in height—verify compatibility before purchasing, as they’re not interchangeable with CR123A models. The Frustration-Free Packaging arrives ready to use. Choose this four-pack option when you need dependable backup power for multiple devices or frequent replacements without spending extra on individual units.
- Battery Capacity (mAh):800 mAh
- Pack Quantity:4-pack
- Shelf Life:Not specified
- Primary Applications:Digital cameras, flashlights, night-vision goggles, calculators
- Operating Temperature Range:High and low temperature environments
- Safety/Protection Features:Low self-discharge rate
- Additional Feature:800 mAh capacity
- Additional Feature:Frustration-free packaging
- Additional Feature:Low self-discharge rate
POWEROWL CR2 3V Lithium Battery (6-Pack)
Need reliable power for high-drain devices that demand consistent performance? The POWEROWL CR2 3V Lithium Battery 6-pack delivers consistent voltage output suited for golf rangefinders, smart locks, cameras, and flashlights. Each battery holds 1000 mAh capacity and maintains stable performance across demanding applications. You’ll benefit from a 10-year shelf life under proper storage, ensuring freshness when you need replacements. The non-rechargeable lithium design provides longer service life than standard alternatives. When replacing batteries, cut power to your device first, then install fresh units. Avoid mixing different battery brands in the same device. This 6-pack gives you adequate supply for multiple devices or extended use cycles.
- Battery Capacity (mAh):1000 mAh
- Pack Quantity:6-pack
- Shelf Life:Up to 10 years
- Primary Applications:Golf rangefinders, home alarm systems, red dot scopes, cameras, flashlights
- Operating Temperature Range:Not specified
- Safety/Protection Features:Not specified
- Additional Feature:1000 mAh high capacity
- Additional Feature:Stable voltage output consistency
- Additional Feature:Wide application compatibility
Duracell Ultra CR2 3v Lithium Photo Battery DL-CR2 8 Pack
Duracell Ultra CR2 3V batteries deliver the most reliable power for your digital cameras. This eight-pack contains CR2 lithium batteries with 800 mAh capacity and 3.0V output. Each battery measures 26 x 15 x 15 mm, fitting standard CR2 compartments. You’ll find these batteries work effectively in flashlights, lasers, night vision devices, alarms, remotes, and rangefinders. Duracell engineered these batteries for long-lasting performance in demanding photography situations. The Indonesian-made batteries maintain consistent power delivery throughout their lifespan. Purchase this pack if you regularly use multiple devices requiring CR2 batteries, ensuring you have replacements available when needed.
- Battery Capacity (mAh):800 mAh
- Pack Quantity:8-pack
- Shelf Life:Not specified
- Primary Applications:Cameras, flashlights, lasers, night-vision, alarms, rangefinders
- Operating Temperature Range:Not specified
- Safety/Protection Features:Designed for reliability and long-lasting power
- Additional Feature:800 mAh capacity
- Additional Feature:Made in Indonesia
- Additional Feature:Designed for memorable moments
Enegitech CR2 Lithium Battery 3V 1000mAh (6-Pack)
For high-drain devices that demand sustained power, the Enegitech CR2 delivers superior performance through its 1000mAh capacity and 3V output. You’ll find these batteries ideal for digital cameras, laser sights, rangefinders, and flashlights. The 6-pack provides reliable backup options for multiple devices. With a 10-year shelf life, you can store extras without concern. PTC protection prevents high-temperature discharge risks. Purchase these if you need batteries lasting 3–5 times longer than alkaline alternatives. Store them in cool, dry conditions away from heat and moisture. The UL, CE, and ROHS certifications confirm safety and quality standards met through sterilization and inspection processes.
- Battery Capacity (mAh):1000 mAh
- Pack Quantity:6-pack
- Shelf Life:Up to 10 years
- Primary Applications:Digital cameras, burglar alarm sensors, golf rangefinders, flashlights
- Operating Temperature Range:Not specified
- Safety/Protection Features:PTC high current discharge protection
- Additional Feature:1000 mAh capacity
- Additional Feature:Lasts 3-5x longer
- Additional Feature:PTC high-current protection
Panasonic CR2 3.0 Volt Lithium Batteries (6-Pack)
Panasonic’s CR2 3.0 Volt Lithium Batteries stand out as the premium choice for photographers, hunters, and tech enthusiasts who demand reliable power in compact devices. You’ll get six batteries per pack, each delivering consistent 3.0V lithium performance for golf rangefinders, cameras, flashlights, and laser scopes. The batteries feature advanced engineering from Panasonic’s Japan design team, ensuring dependable operation across various devices. You can store them for up to ten years without performance loss. The secure blister packaging protects each battery during transport and storage. Choose these batteries when you need long-lasting, proven reliability in a compact format.
- Battery Capacity (mAh):Not specified
- Pack Quantity:6-pack
- Shelf Life:Up to 10 years
- Primary Applications:Golf rangefinders, cameras, flashlights, laser scopes
- Operating Temperature Range:Not specified
- Safety/Protection Features:Advanced technology and engineering
- Additional Feature:Japan-engineered design technology
- Additional Feature:Secure blister packaging included
- Additional Feature:Made in Indonesia factory
Tenergy CR2 3V Lithium Battery Non-Rechargeable (10 Pack)
The Tenergy CR2 3V lithium battery works reliably in high-drain devices like digital cameras and flashlights. Each battery delivers 800 mAh of energy capacity, supporting consistent performance in golf rangefinders, light meters, toys, and alarm systems. You’ll get approximately 10 years of shelf life with minimal discharge when stored in cool, dry conditions away from heat and liquids. The 10-pack quantity provides multiple replacements for your devices. Important: don’t mix old and new batteries during use, and note these aren’t compatible with Arlo cameras or interchangeable with CR123A batteries. Follow manufacturer guidelines for proper installation in your specific equipment.
- Battery Capacity (mAh):800 mAh
- Pack Quantity:10-pack
- Shelf Life:About 10 years
- Primary Applications:Digital cameras, flashlights, golf rangefinders, alarm systems, toys
- Operating Temperature Range:Cool, dry environment (storage); no extreme use specified
- Safety/Protection Features:PTC protection
- Additional Feature:800 mAh capacity
- Additional Feature:PTC protected high-performance
- Additional Feature:10-pack quantity option
EBL CR2 3V Lithium Batteries (6-Pack)
EBL’s most versatile CR2 3V lithium option comes in a 6-pack designed for devices requiring reliable, long-lasting power. Each battery delivers 1000 mAh capacity with consistent voltage output for high-drain equipment like rangefinders, digital cameras, and security sensors. The leak-proof construction protects your devices from corrosion damage. You’ll benefit from the 10-year shelf life, ensuring batteries remain ready when needed. Operating across temperatures from -40°F to 158°F, these lithium batteries handle both indoor and outdoor conditions. The one-year limited warranty covers manufacturing defects. Use this 6-pack for frequent-use electronics requiring dependable performance without recharging.
- Battery Capacity (mAh):1000 mAh
- Pack Quantity:6-pack
- Shelf Life:10 years
- Primary Applications:Golf rangefinders, digital cameras, flashlights, wireless security systems
- Operating Temperature Range:-40°F to 158°F (-40°C to 70°C)
- Safety/Protection Features:Leak-proof design
- Additional Feature:1000 mAh high capacity
- Additional Feature:Leak-proof advanced construction
- Additional Feature:One-year limited warranty
Energizer 123 Lithium Batteries (2 Pack) 3V Photo Batteries
Energizer 123 lithium batteries deliver reliable power for high-tech devices when you need a dependable alternative to standard options. This 2-pack contains 3V photo batteries designed for cameras, flashlights, and smart home devices. The single-use chemistry means you won’t recharge them, making them ideal for devices you don’t access frequently. Store these batteries for up to 10 years without significant power loss. If your device previously used 5018LC, CR123, CR123A, CR17345, or EL123 batteries, these Energizer units are direct replacements. Check your device’s manual to confirm compatibility before installation.
- Battery Capacity (mAh):Not specified
- Pack Quantity:2-pack
- Shelf Life:Up to 10 years
- Primary Applications:Cameras, flashlights, smart home devices
- Operating Temperature Range:Not specified
- Safety/Protection Features:Single-use design with reliable power
- Additional Feature:Different battery type (123)
- Additional Feature:Powers smart home devices
- Additional Feature:Multiple compatible replacements
PKCELL CR2 3V Lithium Battery 4-Pack
PKCELL’s budget pick CR2 lithium batteries deliver reliable power for your high-drain devices at an affordable price point. Each 3V battery holds 850 mAh capacity and lasts three to five times longer than alkaline alternatives. You’ll receive four batteries per pack, making them ideal for powering flashlights, digital cameras, rangefinders, and smoke detectors. The 10-year shelf life ensures you’ve got backup power ready when needed. These batteries operate effectively between -22°F and 140°F, handling various environmental conditions. PKCELL backs them with a 10-year warranty, providing assurance for your investment. They’re compatible with multiple CR2 models, including KCR2 and RLCR2-2 variants.
- Battery Capacity (mAh):850 mAh
- Pack Quantity:4-pack
- Shelf Life:10 years
- Primary Applications:Flashlights, digital cameras, rangefinders, smoke detectors, doorbells
- Operating Temperature Range:-22°F to 140°F (-30°C to 60°C)
- Safety/Protection Features:Not specified
- Additional Feature:850 mAh capacity
- Additional Feature:Lasts 3-5x longer
- Additional Feature:10-year warranty included
Factors to Consider When Choosing a CR2 3V Lithium Battery
When selecting a CR2 3V lithium battery, you’ll want to evaluate five key factors: capacity and power output to ensure the battery delivers sufficient energy for your device, temperature operating range to confirm it works in your intended environment, and shelf life to verify how long you can store it before use. Next, check device compatibility needs by reviewing your device’s manual or specifications, and compare pack sizes available to determine whether buying in bulk offers better value for your situation. Finally, balance these considerations against your budget and usage frequency to choose the battery that best meets your practical requirements.
Capacity and Power Output
Most CR2 3V lithium batteries range from 800 to 1000 mAh in capacity, and this measurement directly determines how long your device’ll run before you need a replacement. Higher capacity batteries deliver extended runtime, particularly for high-drain devices like cameras, flashlights, and rangefinders that require bursts of energy. A 1000 mAh battery will outlast an 800 mAh battery in identical devices under similar usage conditions. Beyond capacity, CR2 batteries maintain a stable 3.0V output throughout their lifespan, ensuring consistent performance during critical operations. When selecting a CR2 battery, compare the mAh ratings of available options and match them to your device’s power demands. Non-rechargeable CR2 cells offer extended shelf life up to 10 years, preserving capacity until you’re ready to use them.
Temperature Operating Range
How does temperature affect your CR2 battery’s performance? Most CR2 3V lithium batteries operate effectively between -40°C and 70°C. Operating outside this range reduces capacity and runtime, especially in high-drain devices. Low temperatures slow chemical reactions inside the battery, causing voltage drops and delayed device response until the battery warms. High temperatures accelerate leakage and degradation, shortening shelf life and reliability. Check your battery’s manufacturer specifications for the recommended operating range. Using batteries outside this range may void warranties and compromise device safety. Store batteries in moderate conditions away from direct heat or extreme cold. During operation, monitor your device’s performance in temperature extremes. If your device operates in harsh climates, select batteries with wider temperature ratings to ensure dependable performance year-round.
Shelf Life and Storage
What’s the best way to maximize your CR2 3V lithium battery’s shelf life? Store your batteries in cool, dry conditions between 20–25°C (68–77°F) to maintain the advertised 10-year shelf life. Keep them away from direct sunlight, heat, moisture, and extreme temperatures, which accelerate self-discharge and degradation. Leave batteries in their original packaging until you’re ready to use them—this minimizes self-discharge before installation. Choose products featuring leak-proof design to protect against leakage during extended storage and transportation. Check the manufacturing date before purchasing to ensure you’re getting fresh stock. Avoid storing batteries in humid environments like bathrooms or basements. Following these storage guidelines preserves battery performance and reliability when you need them.
Device Compatibility Needs
Choosing the right CR2 3V lithium battery requires you to verify several compatibility factors before making a purchase. First, check your device’s manual to confirm it accepts CR2 batteries and non-rechargeable chemistry—some devices need specific replacements. Second, verify the 3V voltage matches your device’s requirement; using an incompatible voltage risks underpowering or damaging equipment. Third, identify whether your device has high-drain needs like cameras and flash units or low-drain uses like sensors and clocks, since discharge characteristics vary by battery brand. Fourth, review the operating temperature range, typically -40°C to 70°C, to ensure reliable performance in your device’s typical environment. These steps prevent purchasing incompatible batteries and protect your equipment from malfunction.
Pack Size and Value
Once you’ve confirmed your device’s compatibility requirements, you’ll need to evaluate pack sizes and pricing to get the best value for your purchase. CR2 3V lithium batteries typically come in 4-pack, 6-pack, or 8-pack options. Larger packs generally offer lower per-battery costs, but you should compare the total price against battery capacity, measured in mAh, since capacity varies by brand. Check product listings carefully to verify the exact pack count before ordering, as some sellers mix quantities or use unclear packaging descriptions. When buying larger packs for long-term use, review the seller’s warranty and return policy. A reliable return window protects your investment if you’re purchasing in bulk.
Safety Features Protection
How can you guarantee your CR2 3V lithium batteries won’t damage your devices or pose safety risks? Look for PTC protection, which limits high current discharge and prevents overheating during use. Check for UL and CE certifications, confirming the battery meets standardized safety and quality requirements. Choose leak-proof construction models to protect your device compartments from potential battery leakage. Store batteries in cool, dry environments away from direct sunlight to prevent degradation that compromises safety. Maintain recommended temperature ranges during storage and use. Never mix old and new batteries together, as this creates inconsistent power delivery and increases failure risk. These protection measures work together to keep your devices functioning safely and reliably.
Final Thoughts
You’ll find reliable CR2 3V lithium batteries across multiple brands that suit your needs. Compare pack sizes—2 to 8 units—based on how many devices you own. Check mAh ratings and shelf life for your usage patterns. Verify certifications like UL or CE for safety. Match the battery type to your device specifications, whether cameras, remotes, or sensors. Buy from reputable retailers to ensure authenticity and warranty protection.
Meet Ry, “TechGuru,” a 36-year-old technology enthusiast with a deep passion for tech innovations. With extensive experience, he specializes in gaming hardware and software, and has expertise in gadgets, custom PCs, and audio.
Besides writing about tech and reviewing new products, he enjoys traveling, hiking, and photography. Committed to keeping up with the latest industry trends, he aims to guide readers in making informed tech decisions.