10 Best Scuba Diving Flashlights 2025 in the United States

The ORCATORCH DC710 is a strong choice for divers seeking a powerful, reliable underwater flashlight. It shines with up to 3000 lumens brightness, which is very bright and useful for night dives, cave exploration, or murky water. The adjustable brightness levels allow you to conserve battery when full power isn’t needed. Speaking of battery life, it can run as long as 7 hours on the lowest setting, which is great for extended dives. The convenience of Type-C direct charging without removing the battery adds ease and safety.

With a depth rating of 150 meters and an aluminum body, this flashlight is built to handle tough underwater conditions and resist corrosion, making it durable. The wrist strap mount allows for hands-free use, ideal for instructors or any diver needing both hands free. The side switch includes a battery status indicator and a lock function to prevent accidental activation, showing thoughtful design for underwater use. On the size and weight side, it is compact and relatively lightweight at about 1.5 pounds, so it won't feel bulky.

However, it uses a nonstandard battery, which might complicate replacements compared to more common sizes. While the IP68 rating and triple O-ring seals are reassuring, some divers might prefer a higher depth rating if planning very deep technical dives. This flashlight is best suited for recreational and technical divers who need strong, reliable light in various underwater scenarios and value ease of use and durability.

The ORCATORCH D710 Scuba Diving Light is designed to impress with its powerful 3000 lumens output, making it suitable for divers who need strong illumination underwater. Its 6-degree narrow beam provides focused light, enhancing visibility during night dives and explorations. With four brightness levels, including a turbo mode, users can easily adjust the light according to their needs, which is ideal for both short bursts and longer dives. The ultra-long runtime of up to 7 hours on low allows for extended use without frequent battery changes.

In terms of build quality, the D710 shines with its IP68 waterproof rating, allowing it to go down to depths of 150 meters. The robust aluminum alloy construction, combined with multiple O-rings and thick tempered glass, ensures durability even in challenging conditions. The power status display is a thoughtful touch, letting divers know how much battery life remains, which is crucial for planning dives.

While the flashlight does not come with batteries included, which means users will need to purchase them separately, its size and weight of 1.32 pounds may be a consideration for some divers, especially those who prioritize lightweight gear for long trips. Its advanced features, while beneficial, may have a slight learning curve for new divers. The ORCATORCH D710 is particularly suitable for serious diving enthusiasts, technical divers, and those who engage in nighttime or cave diving. It offers impressive brightness and durability but may require additional consideration for weight and battery procurement.

The Wurkkos DL46 is a very bright scuba diving flashlight, offering an impressive 20,000 lumens that can light up underwater environments clearly up to 608 meters away. This makes it excellent for exploring caves, holes, or murky waters where visibility is limited. Its LED lights also provide natural color rendering underwater, which helps you see true colors. The flashlight is built tough with aerospace-grade aluminum, making it resistant to corrosion and pressure, suitable for depths down to 100 meters — enough for most recreational and technical dives.

It weighs about 2.7 pounds and measures 6.6 inches long, which is a bit on the heavier side but still manageable for handling underwater. The magnetic rotating switch is user-friendly and works well even with gloves, allowing quick changes between three brightness modes: high, medium, and low. Battery life varies by mode, from 3 hours on full power to 24 hours on low, which is convenient for extended dives. It charges via a USB-C port, with a handy battery level indicator to avoid surprises.

The flashlight is robust and bright, though its weight and size might feel bulky for some divers seeking ultra-light gear. This flashlight is well-suited for serious divers needing a powerful, durable, and reliable light for deep or dark underwater adventures, while casual snorkelers might find it more than they require.