Duracell MN21 12V Alkaline Battery - 4 Pack
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12V Alkaline Specialty Batteries 2-Pack designed for compact, high-drain electronic devices.
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21/23 (A23) Battery Size for keyless entry systems, garage door openers, security remotes, and wireless controls.
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High-Energy Alkaline Chemistry engineered for consistent, long-lasting performance.
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Compact Cylindrical Design ensures precise fit in compatible specialty battery compartments.
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Convenient 2-Pack Configuration provides backup power for multiple devices or future replacement needs.
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Duracell MN21 12V Alkaline Battery - 2 Pack
The Duracell MN21 or 21/23 Alkaline Battery 2-Pack delivers dependable 12-volt specialty power for compact electronic devices that require reliable performance. Ideal for key fobs, garage door openers, alarm transmitters, and other wireless control systems, these batteries provide consistent output in small-format, high-demand applications.
Built with alkaline chemistry, each battery is engineered for stable voltage and long-lasting operation. The compact cylindrical design ensures proper fit in compatible devices, while leak-resistant construction supports dependable performance.
Packaged in a convenient 2-pack, this option provides immediate replacement power and a spare battery for uninterrupted device operation when it matters most.
Duracell MN21 Specifications
- Model: MN21
- Also Known As: A23
- Battery Size: A23 / 23A
- Chemical System: Alkaline Manganese Dioxide (Zn/MnO₂)
- Nominal Voltage: 12V
- Terminal Type: Recessed Flat Contact
- Replaces: 23A, V23GA, MS21, L1028F, LRV08, A23
Capacity & Performance
- Nominal Capacity: 60 mAh
(20kΩ continuous discharge to 6.0V cutoff) - Open Circuit Voltage: 12.0V (at +20°C)
- AC Impedance (@1kHz): 22 Ohms
- Operating Temperature Range:
-10°C to 60°C (14°F to 140°F) - Low Self-Discharge: <10% after 1 year at +20°C
Physical Specifications
- Weight: 7.95 g (0.28 oz.)
- Volume: 2.3 cm³ (0.14 in³)
- Height (Length): 28.5 mm max (1.12 in)
- Diameter: 10.3 mm max (0.41 in)
Applications
- Automobile remote controllers
- Car burglar alarm remotes
- Doorbells
- Roll-up door remote controls
- Electric appliance remotes
- Flashlights
- Toys
| Diameter | 10.3 mm |
|---|---|
| Height | 28.5 mm |
| Condition | New |
| Country of Manufacture | China. Country of origin is subject to change |
| Brand | Duracell |
| Battery Size | 23A |
| Chemistry | Alkaline |
| Output Voltage | 12V |
| Rechargeable | No |
| Capacity | 60mAh |
