10 Best Pen Flashlights 2026 in the United States

The OLIGHT Oclip Pro EDC Flashlight is a compact and versatile pen-flashlight that shines with a maximum brightness of 500 lumens. This level of brightness makes it suitable for a variety of uses, from cycling to outdoor adventures and indoor tasks. The flashlight features three lighting options: a powerful floodlight, a spotlight with a 120-meter range, and a low-intensity red light, catering to different lighting needs. The user-friendly design allows for easy switching between modes, and the battery indicator keeps you informed about its charge level.

One of the Oclip Pro's highlights is its lightweight build, weighing only 1.87 oz (53 g) and measuring just 2.24 inches (57 mm) long. This portability makes it an excellent choice for everyday carry. Additionally, the flashlight is designed with multiple fixing methods, including a magnetic base and a lanyard hole, allowing for convenient attachment and use in various situations. The Type-C rechargeable feature adds to its practicality, and being IPX6 waterproof ensures it can withstand splashes and rain.

There are a few drawbacks to consider. While the flashlight is highly portable, its small size may compromise the functionality of larger flashlights, particularly in terms of battery life under heavy use. The initial moonlight mode can be a bit confusing for first-time users, requiring a long press to switch modes. Furthermore, while the durability is good for everyday use, those seeking a rugged flashlight for extreme conditions might want to explore options with tougher construction.

The Streamlight 66134 Stylus Pro USB is a slim, lightweight pen flashlight designed for professionals like medical staff, law enforcement, and technicians who need a reliable light for close-up or low-light work. It delivers a bright 350 lumens output with a beam reaching about 109 meters, which is impressive for its compact size and ideal for inspecting small or confined spaces. Its rechargeable lithium-ion battery offers up to 1.5 hours on high brightness and charges quickly via USB in roughly 2.5 hours, removing the need for disposable batteries.

Durability is a strong point here—the aluminum body is water-resistant (IPX4) and can withstand drops from up to 1 meter, making it tough enough for everyday professional use. The light’s ultra-slim design and light weight (just 1.76 ounces) make it easy to carry in pockets or clips. The sliding metal sleeve protects the USB charging port, adding to its ruggedness.

This pen light is a solid choice if you want a dependable, bright, and rechargeable flashlight that's durable and portable for professional or everyday low-light tasks. It may not be the best fit for those needing long-lasting battery life or a very long beam, but for most inspector or medical uses, it covers the essentials well.

The OLIGHT O'Pen 3 is a versatile pen-flashlight combining practical lighting and writing tools in one compact design. It offers a bright white LED light with 120 lumens, suitable for everyday tasks like office work, presentations, or quick outdoor use. One unique feature is its four light modes, including a safe green beam for presentations, a red light to preserve night vision, and a soft pen-tip light for close-up writing. This multifunctionality makes it a handy tool for professionals who need both illumination and a quality pen.

It uses a rechargeable lithium-ion battery charged via a convenient USB-C port, which fully charges in about an hour and provides up to 25 hours of runtime. This reduces the need for frequent battery replacements, making it great for regular carry. The pen itself is built from durable 6061-T6 aluminum alloy, keeping it lightweight at just 33.5 grams, and it features a secure spring-loaded clip for easy pocket attachment.

The switching mechanism is a smooth, bolt-action toggle that allows quick one-handed changes between light modes, ideal for meetings or fieldwork. The pen’s grip is textured for comfort during extended writing, and it includes extra refills, emphasizing its dual purpose as a professional writing instrument. While the maximum beam distance is not emphasized, the lumen output and pen size suggest it is best suited for close to medium range lighting rather than long-distance use. Additionally, the integrated rechargeable battery means it cannot be swapped out quickly in the field.

The OLIGHT O'Pen 3 pen-flashlight presents a practical, multifunctional everyday carry tool that balances good brightness, durability, and premium writing performance, making it suitable for office workers, technicians, and outdoor enthusiasts seeking a compact light and pen combination.