Headband flashlight Nitecore NU40 Black LED 2 lamps IP68

The Nitecore NU40 Black is a compact headband flashlight designed for hands-free illumination. It features two LED lamps housed in a lightweight, black enclosure with a built-in rechargeable lithium-ion battery and USB charging. The NU40 is rated waterproof to 2 meters and shockproof to 2 meters, combining practical durability with compact dimensions that make it suitable for outdoor activities and everyday tasks requiring reliable, focused light.

Advantages

The dual-LED configuration provides flexible illumination options while keeping the unit compact and easy to wear. Integrated USB charging eliminates the need for disposable batteries and simplifies recharging in the field or at home. The headband design ensures stable, hands-free use and the low weight improves comfort during extended wear. Water- and shock-resistant construction adds protection against environmental hazards common in outdoor use.

Suitable for

• Camping and hiking
• Night running and cycling
• Home repairs and tasks requiring hands-free light
• Emergency and roadside situations

Key specifications

• Type: Headband flashlight with two LED lamps
• Weight: 0.116 kg
• Color: Black
• Ingress protection: Waterproof to 2 meters
• Impact resistance: Shockproof to 2 meters
• Power supply: Built-in lithium-ion rechargeable battery
• Charging method: USB charging
• Form factor: Compact, wearable headband design

How to use

Wear the elastic headband so the lamp assembly sits comfortably on the forehead and adjust the strap for a secure fit. Use the power and mode controls on the lamp housing to cycle through available brightness levels and beam patterns provided by the two LEDs. When the battery level is low, connect a USB cable to the charging port to recharge the internal battery. Allow the flashlight to fully charge before extended use to ensure optimal runtime.

Recommendations

For best performance, keep the lamp contacts and charging port clean and dry when not charging. Rinse and dry the unit after exposure to water or mud, and inspect the headband and housing for wear before prolonged outdoor use. Store the flashlight charged and away from extreme temperatures to preserve battery life.