NEBO Mycro 900+: Rechargeable Headlamp and Cap Light

The NEBO Mycro 900+ is a small rechargeable headlamp that doubles as a cap light. It weighs 113g including the strap and measures 48mm by 38mm by 38mm, so it sits on your head without much fuss and can be clipped to a cap peak when you would rather not wear the strap¹. It has seven light modes, and the maker's figures run from a low beam reaching 25 m to a 900 lumen turbo that lasts 15 seconds and reaches 100 m¹.

For a household preparing for power cuts, the useful part is the low and medium settings. Low gives 25 m and medium gives 2 hours at 50 m, which is enough to cook, read or move around a dark house hands-free². The turbo is a short burst for spotting something at a distance, not a setting to leave running. The light is charged through a USB cable, so it can be topped up from a power bank or a car charger when the mains is off².

This page sets out what each mode does, how to switch between them, how to charge and store the headlamp, and the safety points the maker gives. It also covers the limits: the battery cannot be replaced, and the light is splash-resistant rather than waterproof¹.

What the NEBO Mycro 900+ is and who it suits

NEBO describes the Mycro 900+ as an ultra compact, bright and versatile headlamp with a 2-in-1 mounting design¹. In plain terms it is one light unit that can be worn two ways. The metal cap clip comes pre-installed, so out of the box it will slide onto the peak of a cap. To wear it as a headlamp you remove the clip, slide the strap into the open slots of the hinged housing and adjust the buckle to fit².

That flexibility suits a household in a few situations. A cap light is handy for quick jobs where a strap would mess up your hair or feel awkward, such as checking a fuse box or reading a meter. A headlamp keeps both hands free for longer tasks, such as cooking on a camping stove or carrying things up and down stairs in the dark. The body is made from aircraft grade aluminium, which the maker presents as a durability point².

It is a personal light rather than a room light. It illuminates what you are looking at, not the space around you, so it works alongside a lantern or a ceiling light rather than replacing them. If you are deciding between the two forms, our guide to torch or head torch for a power cut sets out the trade-offs, and the head torches section covers the wider field.

Brightness, beam distance and run time in each mode

The maker gives a table of modes with a brightness, a run time and a beam distance for each. The figures below are the maker's own, from its product pages¹.

The pattern is the one you would expect: the brighter the setting, the shorter the run and the further the beam. Turbo is a burst of maximum output for 15 seconds, useful for a quick look across a garden or down a lane, but not something to rely on for a task¹. High gives 300 lumens for 1 hour at 65 m, which is a strong working light for a short job². Medium steps down to 200 lumens for 2 hours at 50 m, and low gives the longest run at 25 m².

For most household use in a power cut, low and medium are the settings that matter. Low will cover an evening of moving around the house, and 25 m is more than enough to see a room, a staircase or a path to the shed². If you want to understand how lumens and beam distance relate more generally, our explainer on lumens, beam distance and run time goes through it, and how long a torch battery lasts on low looks at the low setting in particular.

Switching modes, Turbo, Red Mode and lockout

The controls are built around two buttons and a set of press patterns. The maker's instructions are specific, and it is worth learning them before you need the light in a hurry¹.

• Cycle through modes: press the power button repeatedly to move through the light modes².
• Turbo: press and hold the Spotlight button from any mode other than off².
• Low from off: press and hold the Spotlight button from off to go straight to low².
• Red Mode: press and hold the power button from off for approximately 2 seconds. This reverses the mode order and starts on red to preserve night vision².
• Lockout: rapidly press the power button three times to turn lockout on or off. This disables the light from unintentional activation¹.

The lockout is the one to remember for storage. A headlamp rattling around in a bag or a drawer can be switched on by accident and be flat when you need it. Three quick presses prevents that¹. The direct-to-low and direct-to-red shortcuts are useful in the dark, because you do not have to cycle through brighter modes to get to the one you want².

Red Mode is worth knowing about for night use. Our page on what red light mode is for explains the principle in more detail. The maker's own safety instruction applies in every mode: do not shine the light directly in someone's eyes, and if the beam does shine directly in your eye, look away immediately¹.

Run time on Low: the longest setting at 25 m

The low setting is the one most households will use most, and the maker's figure is 25 m of beam distance². That is a long evening of use on a single charge, and it is the setting to choose when you are doing something that does not need a bright beam: finding your way to the bathroom, checking a child's room, or sitting with a book.

Two things affect the run time in practice. The first is Smart Power Control, NEBO's system that automatically adjusts light output based on the remaining battery charge. The maker says that as the battery depletes, it gradually reduces brightness to extend runtime¹. That means the light dims towards the end of a charge rather than cutting out, which is helpful, but it also means the maker's figures are not a guarantee of full brightness throughout. The second is temperature and age: a rechargeable battery holds less charge in the cold and as it ages, so a headlamp stored in a cold shed will not last as long as one kept indoors.

If you are planning for a power cut, treat the low setting as the working mode and keep a second light as backup. A headlamp that runs on low will get you through an evening, but a multi-day outage needs more than one light and a way to recharge. Our power cut checklist sets out what to have ready, and the charging and storing rechargeable torches safely page covers keeping the battery in good order between uses.

Charging the Mycro 900+, and why the battery cannot be replaced

The Mycro 900+ charges through a USB cable. The maker says to connect the headlamp to a power source using the included USB cable, and the box includes a USB-A to USB-C charging cable¹. The charging indicator shows solid red while charging and solid green when fully charged¹. Because it charges over USB, it can be topped up from a power bank, a laptop or a car charger when the mains is off, which makes it a practical light to keep charged during an outage.

The important limitation is the battery. The maker states that the unit is powered by an internal rechargeable battery that cannot be replaced¹. When that battery eventually stops holding charge, the headlamp cannot be kept going with ordinary batteries, unlike a torch that takes AA or AAA cells. That is a reason to look after the battery: charge it before winter, keep it out of extreme heat and cold, and do not leave it flat for long periods.

For general guidance on charging and storing rechargeable lights, including how to look after built-in packs, see torch batteries: AA, AAA, 18650 and built-in packs and can you use a torch while it is charging. If you are charging from a USB source, our page on whether the wrong USB charger can damage a torch battery is worth a read.

Rain, spills and storing the headlamp

The Mycro 900+ carries an IPX4 rating. The maker describes this as protection against water splashes from any direction, safeguarding against light rain, accidental spills and water spray, but states that it is not fully waterproof¹. In practice that means it will cope with being worn in drizzle or splashed at a sink, but it should not be submerged or left out in heavy rain. Dry it before charging, because moisture in the charging port is never a good idea.

The maker's safety warnings are worth following as given. It says to use the device only for its intended purpose, not to shine the light directly in someone's eyes, and to look away immediately if the beam does shine directly in your eye. It also warns against using magnifying instruments that could concentrate the beam, and says to keep the light away from heat, hot surfaces, sparks and open flames, and not to incinerate it¹.

That warning matters most with children, who are drawn to bright lights. Our page on torches, candles and children covers keeping them safe, and is it safe to look into a bright torch explains why a 900 lumen burst at close range is best avoided. For storage, use the lockout so the light cannot switch on in a bag, keep it somewhere you can find in the dark, and check it before winter. The lighting checks before winter checklist is a good prompt.

Where the NEBO Mycro 900+ fits in a household lighting plan

A headlamp is one part of a lighting plan, not the whole of it. The Mycro 900+ is best at personal, hands-free light: moving around, cooking, checking on people, and short bursts of distance with the turbo. It is less suited to lighting a room, where a lantern or a ceiling light does the job better. Our guide to lantern or torch: which lights a room better explains the difference, and the emergency lighting at home section covers the full range of options.

It also sits alongside other NEBO lights. The maker's NEBO range includes head torches and torches with Smart Power Control, the same system used here to manage brightness as the battery drains³. If you are comparing the Mycro 900+ with other NEBO headlamps, the head torches section and the NEBO Luxtreme pages cover the alternatives. For a light that stays on a cap or a pocket, the compact form and the 113g weight make it easy to keep close at hand¹.

The practical plan is to keep the headlamp charged, learn the lockout and the direct-to-low shortcut, and pair it with a room light and a spare battery torch. That way a power cut is an inconvenience rather than a problem. Our lighting your home safely when the power goes off guide walks through the sequence, and the power cuts section covers what to expect from an outage.