10 Best Pen Flashlights 2025 in the United States

The OLIGHT Arkfeld Ultra is a compact and versatile pen-flashlight designed for everyday carry and outdoor use. It delivers a strong 1400 lumens of white light, which is bright enough for most tasks like working, camping, or emergency needs. In addition to the white beam, it offers a UV light and a green beam, expanding its usefulness for checking items, detecting stains, or special signaling.

The flashlight uses a rechargeable lithium polymer battery, which is convenient and eco-friendly, and it includes a magnetic charging cable for easy recharging. Its size is slim and lightweight (just over 4 ounces), making it comfortable to carry in a pocket without feeling bulky. Made from O-aluminum, the Arkfeld Ultra feels sturdy and durable, with a high-quality glass lens that resists scratches and maintains clear light output over time. The matte olive-green finish gives it a sleek, modern look, and it is also waterproof, which helps in various weather conditions.

While it has multiple beams, the green and UV lights are relatively low power (green ≤5mW), so they are best suited for specific tasks rather than illumination. Also, the compact size means its battery life might be shorter under high brightness use compared to bigger flashlights. This pen-flashlight is ideal for those looking for a reliable, multi-purpose light that can handle daily tasks, outdoor adventures, and specialized needs without taking up much space.

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 66118 Stylus Pro Penlight is a compact and durable flashlight suitable for everyday carry and various outdoor activities like camping and hiking. It is made from anodized machined aircraft aluminum, which adds to its durability. The penlight produces 100 lumens and has a beam distance of 62 meters, which is quite impressive for a light of its size. Additionally, it runs for up to 8 hours on two AAA alkaline batteries, which are included with the flashlight. This makes it convenient as you don't need to worry about buying batteries separately right away.

The penlight is also water-resistant with an IPX4 rating and can withstand impacts from up to 2 meters, adding to its reliability in different weather conditions and rugged environments. It is lightweight, weighing only 1.64 ounces, and is about the size of a marker, making it easy to carry in your pocket. The removable pocket clip further enhances its portability.

However, a few potential drawbacks should be noted. Its brightness, at 100 lumens, might not be sufficient for those requiring a very powerful light source. Additionally, it uses non-rechargeable AAA batteries, which might be less convenient for some users who prefer rechargeable options. The one-way switch style could also limit its usability for those who prefer more versatile switching mechanisms. Despite these minor cons, the Streamlight 66118 Stylus Pro Penlight stands out for its durability, lightweight design, and decent performance, making it a good choice for everyday use and outdoor activities.