Nitecore T4K 4000-lumen flashlight (Nitecore, SKU: T4K) is a compact keychain flashlight equipped with four CREE XP-L2 V6 LEDs. It provides an output of up to 4,000 lumens and a beam distance of up to 209 m, while the multifunctional OLED display shows the brightness level, battery voltage, remaining runtime and active user mode. The built-in 1,000 mAh Li-ion battery is rechargeable through a USB-C port.

Key features

• maximum output of 4,000 lumens and a beam distance of up to 209 m
• five brightness levels with direct access to Turbo and Ultralow modes
• total reflective optical system providing a uniform and soft beam
• OLED display showing the brightness, battery voltage, remaining runtime and user mode
• two side buttons providing convenient operation
• DEMO and DAILY user modes
• memory for the last used standard brightness level
• partial and full lockout modes preventing accidental activation
• APC technology reducing power consumption in standby mode
• ATR technology adjusting the output according to operating conditions and temperature
• metal ring capable of withstanding loads of up to 30 kg
• IP54-rated resistance and impact resistance from a height of 1 m

Set contents

• Nitecore T4K flashlight
• USB-C charging cable
• key clasp

Technical specifications

• manufacturer: Nitecore
• model: T4K
• type: rechargeable keychain flashlight
• light source: 4 CREE XP-L2 V6 LEDs
• beam colour: white light
• Turbo mode: 4,000 lumens / 209 m
• High mode: 200 lumens / 2 hours 45 minutes / 45 m
• Mid mode: 65 lumens / 7 hours / 24 m
• Low mode: 15 lumens / 21 hours / 13 m
• Ultralow mode: 1 lumen / 67 hours / 3 m
• maximum beam intensity: 10,900 cd
• user modes: DEMO and DAILY
• automatic shutdown in DEMO mode: after 30 seconds of inactivity
• power source: built-in 1,000 mAh Li-ion battery
• charging port: USB-C
• charging time: approximately 1 hour 30 minutes
• finish: HA III hard anodising
• IP rating: IP54
• impact resistance: drop from a height of 1 m
• dimensions: 82.3 × 30 × 29.2 mm, including the clip
• weight: 77 g, including the clip

The Nitecore T4K provides very powerful, easily accessible light in a compact design, while the OLED display makes it easier to monitor the settings and remaining runtime during everyday use.