


Duracell Security MN21-B2PK A23 21/23 12V Alkaline Button Top Batteries (MN21B2PK) - 2 Piece Retail Card
- 2x MN21/A23 battery in a convenient retail card
- Long-lasting alkaline chemistry for fewer replacements
- Consistent, high-quality Duracell manufacturing for a reliable fitment
- Size: A23 / 21/23 / 23A
- Voltage: 12
- Rechargeable: No
- Chemistry: Alkaline
- Terminal Type: Button Top
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Description
Duracell MN21 12V Batteries - 2 Piece Retail Card
Alkaline A23-Size Button Top Cells
These Duracell 12V batteries provide trustworthy power for many alarm systems and a wide variety of other security needs.They are primarily used in garage door openers, car alarms, electronic door locks, home alarm systems, motion detectors, and other electronic security devices. Your security is of the utmost importance, which is why you should trust Duracell batteries to give you reliable and long lasting power.
- Notable Features
- » A23/MN21 batteries in a two-piece package
- » Also known as: 1811A, 21/23, 21/A23, 23, 23A, 23AE, 3LR50, 8LR23, 8LR932, A23, E23A, GP23A, K23A, KE23A, L1028, LR23A, LRV08, LRVO8, MN21, MN21/A23, V23GA
- » 12.0V alkaline cells compatible with specialty remotes and other electronics
Item Details
| Brand | Duracell |
| SKU | DURACELL-MN21B2PK |
| MPN | MN21B2PK09 |
| UPC | 041333004068 |
| Size | A23 / 21/23 / 23A |
| Voltage | 12 |
| Battery Rechargeable | No |
| Chemistry | Alkaline |
| Shelf Life | 10 Years |
| Packaging | Retail Packaging |
| QTY Per Package | 2 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | A23 / 21/23 / 23A |
| Voltage | 12 |
| Battery Rechargeable | No |
| Terminal Type | Button Top |
| Integrated Charge Port | No |
| Equivalent Types | 1811A, 21/23, 21/A23, 23, 23A, 23AE, 3LR50, 8LR23, 8LR932, A23, E23A, GP23A, K23A, KE23A, L1028, LR23A, LRV08, LRVO8, MN21, MN21/A23, V23GA |
Unit Dimensions
| Length | 1.122 in (28 mm) |
| Diameter | 0.406 in (10 mm) |
| Weight | 0.018 oz (1 g) |
Certifications & Transport
| Certifications/Standards | ANSI |
| Country Of Origin | China |
| HTS Code | 85061000 |
Packaging/Shipping Dimensions
| Shipping Weight | 0.04 lb |
Documents
Additional Details
| Packaging | Retail Packaging |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime
- Upgraded to output up to 3,100 lumens with a 1,000ft throw for optimal spotting!
- Offers fast, direct USB-C recharging from outlets, power banks, and more
- Ultra-slim design provides an easy-to-hold, simple EDC lighting solution
- OLED screen monitors performance, including charge level, brightness & beyond
- Pre-shrink wrapped Panasonic CR123A batteries great for OEM use & more
- 1550mAh high capacity keeps lights, alarms & more running longer
- Lithium cells with stable 3V output and strong discharge performance
- Storage life of up to 10 years ensures backups remain ready for use






