Duracell MN21 12V Alkaline Battery
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12V Alkaline Specialty Battery designed for compact, high-drain electronic devices requiring reliable performance.
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21/23 (A23) Battery Size delivering consistent output for keyless entry systems, garage door openers, and remote controls.
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High-Energy Alkaline Chemistry engineered for dependable, long-lasting power.
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Compact Cylindrical Design for precision fit in specialty battery compartments.
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Leak-Resistant Construction for reliable operation and device protection.
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Duracell MN21 12V Alkaline Battery
The Duracell MN21 or 21/23 Alkaline Battery is a 12-volt specialty battery engineered to deliver reliable, long-lasting power for compact electronic devices. Commonly used in key fobs, garage door openers, security remotes, and other wireless control systems, this battery provides dependable performance in high-drain, small-format applications.
Built with alkaline chemistry, the 21/23 battery is designed for consistent voltage output and stable performance. Its compact cylindrical design ensures proper fit in compatible devices, while its leak-resistant construction supports long-term reliability.
When dependable 12V specialty power is required in a compact form factor, the Duracell 21/23 battery delivers consistent performance you can trust.
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 |
