Fenix

At Up and Under in Cardiff, UK, we offer a diverse range of Fenix headlamps and accessories, trusted by adventurers and professionals for their exceptional quality and durability. Since 2007, Fenixlight UK has grown to become a leading distributor, known for providing robust lighting solutions that excel in even the harshest conditions and across diverse outdoor activities.
Founded in 2001, Fenixlight set new industry standards with its innovative L1 flashlight, quickly building a reputation for advanced power regulation, superior waterproofing, and a reliable five-year warranty. Their commitment to cutting-edge lighting is evident in their critically acclaimed trail running headlamps, launched in 2021. When you choose Fenix products from Up and Under, you're investing in top-tier performance and reliability, ensuring you have dependable illumination for all your adventures.
Fenix HM65R V2.0 'NITERAY' Headlamp
The Fenix HM65R V2.0 'NITERAY' Headlamp is a powerful 2200-lumen rechargeable headlamp designed for outdoor adventures, professional use and demanding conditions. It combines spotlight, floodlight, combined and red-light modes, giving you greater control over your illumination for close-range tasks, long-distance visibility and discreet use at night. Its lightweight magnesium body, comfortable adjustable headband and IP68 waterproof rating make it suitable for extended use in challenging environments. Supplied with a replaceable 18650 battery and offering rapid USB-C charging, the NITERAY is a dependable choice for hiking, running, fishing, caving and professional applications.
Fenix Headband
The Fenix Replacement Headband is a lightweight and breathable replacement strap designed for a wide range of Fenix head torches. Featuring reflective detailing for improved visibility and a silicone sweat channel for added comfort, it’s ideal for running, hiking, work, and outdoor use. The perforated design helps improve airflow during activity, while the secure fit keeps your head torch comfortable during extended wear. Perfect for replacing worn or damaged straps on compatible Fenix models.
Fenix WH35RE ATEX Headlamp
The Fenix WH35RE ATEX Headlamp is designed for safe use in hazardous environments. It offers multiple brightness levels and can be removed from the headband for use as a handheld light. A rechargeable battery provides reliable runtime, including a low output mode for extended use. The large switch allows easy operation with gloves, and the durable design suits demanding conditions. Ideal for industrial and professional applications.
Fenix HM23 V2.0
The Fenix HM23 V2.0 Head Torch is a lightweight and versatile 300 lumen headlamp designed for outdoor adventures, work use, and everyday carry. Featuring a redesigned quick-release body, it can be used as both a head torch and compact angle light, with a magnetic tail cap and pocket clip adding extra flexibility. The durable aluminium alloy construction is IP68 waterproof and dustproof, while white and red light modes make it suitable for everything from hiking and camping to caving and emergency use. Powered by a single AA battery, it offers up to 100 hours runtime and simple one-button operation. Compact, dependable, and easy to use in harsh conditions.
Fenix Helmet Torch Mount
The Fenix ALD-05 Helmet Torch Mount securely attaches cylindrical torches to helmets, making it perfect for industrial, fire, and rescue use. Its anti-static, heat- and oil-resistant rubber strap fits helmets up to 660mm, while the 360° rotation allows for perfect beam alignment. Compatible with torches between 20-28mm diameter, it’s built from durable nylon and glass fibre for reliable, long-term use. Torch and helmet not included.
Fenix HP12R-T
The Fenix HP12R-T is a rugged, fully weatherproof headlamp featuring cool-white, neutral-white, and red beams for versatile outdoor use. With a maximum 1300-lumen output and 200m beam distance, it’s powered by a headband-mounted 4000 mAh rechargeable battery for perfect balance and comfort. Dual switches, USB-C charging, and IP66 weatherproofing make it a reliable choice for running, climbing, camping, or industrial work, wherever powerful light is essential.
Fenix 14500 Rechargeable Battery + USB-C
The Fenix 14500 Rechargeable Battery + USB-C is a 2200mAh, 1.5V lithium-ion battery designed for high-intensity LED torches and compatible with Fenix models using 1.5V AA batteries. It features USB-C direct charging (cable not included), eliminating the need for a separate charger. Simply plug it into a phone charger, computer USB socket, or similar power source. Built-in LED indicators show charging status, ensuring convenience and reliability for all your power needs.
Fenix HL18R-T V2.0
The Fenix HL18R-T V2.0 is a lightweight, rechargeable trail running headlamp designed for runners, hikers, and outdoor adventurers looking for versatile lighting and long-lasting performance. Featuring dual primary beams, it offers a white beam for clear visibility and a warm-white beam to cut through mist and fog, plus two red LEDs to preserve night vision. The SPORT bi-directional rotary headband system allows quick tension adjustments, and a built-in safety whistle adds extra security. Powered by a 1900mAh Li-poly battery with USB-C charging, it delivers up to 500 lumens and can also run on AAA batteries. A sliding lock switch prevents accidental activation, and the breathable, reflective headband ensures comfort and visibility. Compact, durable, and weather-resistant, the HL18R-T V2.0 is built to perform on the toughest trails.
Fenix HM75R SE Industrial Headlamp
The Fenix HM75R SE Industrial Headlamp combines power, durability and ease of use. Delivering a 1600-lumen main beam from a lightweight magnesium alloy body, it runs on a replaceable 3400mAh 18650 Li-ion battery with USB-C charging. Simple controls include a metal rotary switch for modes and a push button for brightness. A breathable, detachable headband with reflective strips and a tilt-adjustable head ensure comfort and precision. Built tough, it’s IP68-rated, fully dust-proof, waterproof (2m submersion for 4 hours) and impact-resistant to 2 meters - perfect for professionals and outdoor enthusiasts alike.
Fenix 21700 Rechargeable Battery
The Fenix 21700 Rechargeable Battery (ARB-L21-5000) is a high-performance 5000mAh lithium-ion power source, crafted for maximum efficiency in high-intensity flashlights. With its premium quality and robust capacity, it’s the ideal choice for powering Fenix 21700-compatible lights, ensuring long-lasting and reliable performance for all your lighting needs.
Fenix HM62-T
The Fenix HM62-T Headlamp is an all-purpose and compact trail running headlamp that's been made from a premium magnesium alloy, making it both lightweight and durable. It features a large, glove-friendly switch which operates the four brightness levels - or warm white light, plus a red light light and flash. Not only is Fenix HM62-T excellent for its intended trail running purpose, but it is also ideal as a durable general purpose headlamp for work, hiking, fishing and caving, with the added convenience and comfort of the Boa headband adjustment.
Fenix HM65R-T V2.0 Trail Runner
The Fenix HM65R-T V2.0 Trail Runner headlamp is now even lighter and pairs a powerful cool white beam with a mist and fog penetrating warm white secondary beam. It now also includes a new bi-directional, click-adjust Sport Boa headband for comfortable fit adjustment on-the-go. It also incorporates a low profile whistle for use in emergency situations. The HM65R-T V2.0 redefines the trail running headlamp, delivering an output of 1600 lumens in a magnesium alloy body that's 30% lighter than the its predecessor.
Fenix Helmet Attachment
The Fenix Helmet attachment bracket is a simple and cost effective way of securing either your Fenix Headlamp to your new caving helmet. Fenix has designed the helmet bracket to feature a very easy to use system.
Fenix HP25R V2.0
The Fenix HP25R V2.0 Headlamp is the further upgraded version of the original HP25R and it really delivers on performance. It offers improved runtimes, with a huge 5000 mAh capacity from its rechargeable battery and a maximum output of 1600 lumens, plus a huge run time at lower brightness levels. Made from reliable aluminium alloy, the HP25R V2.0 is tough and durable without compromising on being lightweight and comfortable to wear. The lighting angle can be adjusted with the 60º tilt mechanism to direct the beam as required.
Fenix ALF-18 18650/21700 Adaptor
The Fenix ALF-18 18650/21700 Adaptor allows the use of 18650 batteries in 21700 battery powered torches. Made from PC and ABS plastics this adapter is the size of a 21700 battery and its internal bore fits the smaller 18650 battery. The adapter features copper plated contacts for excellent conductivity.
Fenix HP30R v2.0
The Fenix HP30R V2.0 Headlamp has an incredible maximum output of 3000 lumens when the spot and flood LEDs are used together. When used independently, the main 2000 lumen LED and reflector provides a far reaching beam of 251 meters and the neutral white XP-G3 S4 flood light has a maximum output of 1000 lumens and a beam reach up to 78 meters.
Fenix 21700 Rechargeable Battery + USB
The Fenix 21700 Rechargeable Battery + USB (ARB-L21-5000U) is a Premium Quality High Capacity 21700, 5000mAh USB-C rechargeable Lithium - ion battery specifically designed for high intensity flashlight use and is the perfect companion for Fenix 21700 powered lights.
Fenix HM70R
The Fenix HM70R is an all-metal headlamp that provides long-distance and wide-range lighting, with a maximum brightness of 1600 lumens and a maximum runtime of up to 100 hours. It is fitted with red and white light sources plus a red flash mode for alerting purposes. It is rechargeable with a hidden USB Type-C charging port for go-anywhere charging. Featuring a large-sized switch, impact resistant to 2 meters, it can be your trustworthy lighting tool for high-intensity outdoor work and it is ready to travel with you to a variety of challenging activities.
Fenix ARE-A4 Premium Main Multi-Charger
The Fenix ARE-A4 Premium Main Multi-Charger is a premium 4 channel mains charger, capable of charging a large range of Li-ion and Ni-mH batteries in any combination. Four independent charging channels each feature their own display of battery type / battery voltage / battery level. A single press on any channel's button will then display battery voltage / charging current / charging time. You can also turn off the display completely with a long press on any channel button.
Fenix 18650 Rechargeable Battery
The Fenix 18650 rechargeable battery is available in two power options. There is a 2600mAh or a slightly larger more powerful option the 3500mAh. Fenix has designed these Lithium Ion Batteries to give great levels of power whilst also being easy to recharge and look after. The 18650 battery is ideal for use in a head torch such as the Fenix HL60R or the HL55.
Fenix 18650 Rechargeable Battery + USB
The Fenix 18650 Rechargeable Battery + USB has been designed to be as easy and as simple to use as possible. They can be simply plugged into micro USB socket which can be connected to a wall socket or a computer port. The 2600mAh battery pack works at 3.6v and offers 9.3Wh, while the larger 3500mAh battery offers the same voltage but an increased 12.6Wh. Now also available with USB-C in 4000mAh.
Fenix Dual Channel Smart Charger ARE-A2
The Fenix Dual Channel Smart Charger ARE-A2 is the latest premium Fenix 2 channel mains charger, capable of charging a large range of Li-ion and Ni-mH batteries in any combination. Two independent charging channels each feature their own display of battery type / battery voltage / battery level. A single press on any channel's button will then display battery voltage / charging current / charging time. You can also turn off the display completely with a long press on any channel button.
Fenix HM50R V2.0
The Fenix HM50R V2.0 is a rechargeable and multi-purpose headlamp that is ideal for industrial, every day and sporting use. This lightweight LED headlamp offers an impressive upgrade over its predecessor with increased output, up from 500 to 700 lumens, the addition of 2 red light modes, USB-C fast charging and new breathable & reflective headband design.
Fenix Headlamp Storage Case
The Fenix Headlamp Storage Case will protect your Fenix headlamp and spare batteries during transport and storage. It is made from Nylon cloth which features high strength, light weight and optimal anti-wear properties. In addition, it has an inner mesh retaining pocket and a 50mm long lanyard.
Fenix Single Channel Smart Charger ARE-X1 V2.0
The Fenix ARE-X1 V2.0 Single Channel Smart Charger is a compact, portable, and versatile charging solution for 18650, 21700, and 26650 Li-ion batteries. Ideal for outdoor enthusiasts, emergency kits, and everyday use, it offers USB-C charging and a built-in power bank function, keeping your devices powered on the go. Designed with advanced safety features, including over-voltage, over-current, short circuit, reverse polarity, and overcharge protection, it ensures secure and efficient charging. An LED indicator provides real-time battery and charging status, making it easy to monitor power levels at a glance.