The Aquasol Pro Ox-100 Oxygen Monitor 9V NiMH Battery P-OXBatt is a high-quality, rechargeable battery that is specifically designed for use with the Pro Ox-100 Oxygen Monitor. It is a 9V NiMH battery with a capacity of 280mAh. This battery provides long-lasting power for your Pro Ox-100 Oxygen Monitor, ensuring that you can always have accurate oxygen readings. Benefits: - Provides long-lasting power for your Pro Ox-100 Oxygen Monitor - Ensures that you can always have accurate oxygen readings - Helps to prevent welding defects - Improves safety on the job site Features: - High-quality, rechargeable battery - Specifically designed for use with the Pro Ox-100 Oxygen Monitor - 9V NiMH battery with a capacity of 280mAh - Long-lasting power for your Pro Ox-100 Oxygen Monitor - Ensures that you can always have accurate oxygen readings - Compatible with different voltage and frequency specifications from around the world - Can operate on 100VAC/60Hz, 120VAC/60Hz and 220VAC/50Hz configurat