What are the different types of batteries used in UV flashlights for rock hunting?

The different types of batteries used in UV flashlights for rock hunting include:

1. **AA Batteries**: These are standard alkaline batteries that are widely available and commonly used in many electronic devices. They provide reliable power for UV flashlights and are convenient for short-term use.

2. **AAA Batteries**: Similar to AA batteries but smaller in size, these are also alkaline batteries that can power UV flashlights. They are suitable for compact UV flashlight models.

3. **CR123A Batteries**: These are lithium batteries that offer higher power density and longer life compared to alkaline batteries. They are often used in UV flashlights that require more powerful illumination.

4. **18650 Rechargeable Batteries**: These are rechargeable lithium-ion batteries that provide substantial power and have a long lifespan. They are ideal for frequent use and can be recharged multiple times, making them cost-effective for extended rock hunting expeditions.

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