Description
The Ultralife 9V Lithium Battery – 1200mAh is a premium non-rechargeable lithium battery designed for applications requiring reliable, long-lasting 9V power.
Unlike conventional alkaline 9V batteries, Ultralife uses Lithium Manganese Dioxide (Li-MnO₂) chemistry and provides a nominal capacity of 1.2Ah / 1200mAh. Ultralife states that its 9V lithium platform provides high energy density, stable running voltage and good performance across a wide operating-temperature range.
Key features
- Brand: Ultralife
- Battery size: 9V
- Nominal voltage: 9.0V
- Nominal capacity: 1200mAh / 1.2Ah
- Chemistry: Lithium Manganese Dioxide (Li-MnO₂)
- Rechargeable: No
- Weight: Approx. 37g
- Format: Standard 9V / ANSI 1604 size
- PTC protection: Yes
- Operating temperature: Approx. -20°C to +60°C
- Shelf life: Up to 10 years under appropriate storage conditions
- Quantity: 1 battery
Ultralife describes the battery as having up to five times the energy density of alkaline and up to a 10-year shelf life.
Common applications
Suitable for compatible equipment including:
- Smoke alarms
- Carbon monoxide detectors
- Security systems
- Sensors
- Test and measurement instruments
- Audio equipment
- Wireless devices
- Medical instruments
- Data recorders
- Remote monitoring equipment
- Other devices requiring a standard 9V battery
Ultralife specifically lists smoke/CO alarms, security systems, instrumentation, medical devices, audio equipment and monitoring systems among applications for its 9V lithium platform.
Important: This is a non-rechargeable lithium battery. Do not attempt to recharge it.
Also verify that your equipment is compatible with a 9V lithium primary battery before installation.




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