10 Best Blacklight Flashlights 2025 in the United States

The LE Small UV Blacklight Flashlight is a compact and portable tool designed to help detect animal urine, food stains, and authenticate currency and official documents. With a 395nm wavelength, it effectively illuminates details invisible to the naked eye, making it an essential utility for pet owners and those needing a reliable detection tool. The flashlight runs on AAA batteries, which are included, ensuring longer usage time compared to similar-sized UV flashlights.

It offers a runtime of approximately 2 hours and 13 minutes, which is decent for intermittent use but might require frequent battery replacement for extended operations. Durability is a key strength, featuring impact resistance and an aluminum alloy build with a special non-slip rubber design. This makes it suitable for rugged environments and light rain, thanks to its IPX4 waterproof rating. The flashlight's compact size, lightweight nature, and convenient portability mean it can easily fit into a pocket or bag for on-the-go use.

This flashlight serves well for casual and pet-related use and provides good durability and portability features.

The uvBeast New V3 365nm Black Light UV Flashlight is designed with professional and commercial users in mind. It boasts a powerful 365nm wavelength that delivers high-quality ultraviolet light, which is the preferred standard for many professional applications. The flashlight’s triple LED system produces a significant amount of UV light, ensuring excellent performance and long-range capability, up to 60 feet. This makes it ideal for tasks that require precision and clarity over a distance.

The build quality is solid, with an aluminum body providing durability, and its portable design makes it convenient to carry around. The flashlight comes with pre-installed batteries, which are a mix of AA and Li-ion rechargeable cells, offering good flexibility in power options. However, it is worth noting that no standalone batteries are sold with the product, so you will need to ensure the included batteries are recharged as needed.

A minor downside is the weight, at 13.3 ounces, which might be slightly heavier than some other options in the market. Additionally, while the high intensity and long-range are great features, these might be more than what a casual user needs, making this flashlight better suited for professional or commercial use rather than everyday home use. In summary, the uvBeast New V3 offers exceptional UV performance, a robust build, and good battery life, making it a strong contender for professional and commercial applications.

The OLIGHT Arkfeld UV Rechargeable EDC Flashlight is a versatile tool designed for both general lighting and UV detection. It features a 365nm wavelength UV light, which is particularly effective for detecting pet urine stains, hotel bathroom cleanliness, and verifying various documents. With a maximum light output of 1000 lumens, it offers significant brightness for outdoor activities and emergency situations.

The flashlight is powered by a rechargeable lithium polymer battery, providing up to 12 hours and 50 minutes of runtime, which is convenient for extended use without frequent recharges. The magnetic charging capability adds ease of use, ensuring a quick and hassle-free charging process. Its durability is enhanced by an aluminum alloy construction, and it is waterproof with an IPX7 rating, making it suitable for various weather conditions.

The flashlight is compact and portable, weighing only 3.07 ounces and featuring a two-way pocket clip and magnetic tail clamp for easy attachment to clothing or gear. While its relatively small size may limit the coverage area of its UV light, and the higher brightness settings might drain the battery faster, the OLIGHT Arkfeld UV is ideal for users needing a reliable tool for both illumination and UV detection, such as pet owners, frequent travelers, or individuals needing document verification.