Keychain flashlight Nitecore T4K — 4 LEDs, 1000 lm, USB‑rechargeable, IP54, shockproof, 82.3 mm, 77 g

The Nitecore T4K keychain flashlight is a compact everyday-carry illumination tool equipped with four LEDs that provide up to 1000 lumens. Designed for close-range lighting tasks, it includes a built-in rechargeable lithium-ion battery with USB charging, an IP54 ingress protection rating against dust and splashes, and shock resistance for drops up to 1 meter. The lamp measures 82.3 mm in height, weighs 77 g, and features a black finish and a design suitable for attachment to keys or pocket carry.

Advantages

The four-LED configuration delivers high output in a compact body, balancing brightness and beam spread for short-distance tasks. USB recharging removes the need for disposable batteries and enables convenient top-up from common power sources. IP54 protection and shock resistance increase reliability for daily use outdoors and in urban environments. Its small size and low weight make the T4K easy to carry on a keyring or in a pocket while maintaining a durable build.

Suitable for

• Everyday carry for hands-free access to a compact light source
• Close-range illumination for reading maps, inspecting small objects, or finding items in bags
• Short outdoor tasks where splash resistance and impact protection are desirable
• Emergency backup light on a keyring

Key specifications

• Light source: 4 LEDs
• Maximum output: up to 1000 lumens
• Power: built-in rechargeable lithium-ion battery with USB charging
• Ingress protection: IP54 (protection against dust and splashes)
• Shock resistance: designed to withstand drops up to 1 m
• Dimensions: 82.3 mm height
• Weight: 77 g
• Colour: Black

How to use

Attach the Nitecore T4K to a keyring or carry it in a pocket for immediate access. Use the flashlight's switch to cycle through available output levels and modes according to lighting needs. Recharge the internal battery using a standard USB cable connected to a computer, power bank, or USB adapter; follow the manufacturer's charging indicators to determine charge status. Allow the light to cool during extended high-output use before storing.

Recommendations

For reliable daily operation, keep the charging contacts clean and recharge the battery before prolonged storage. Avoid prolonged immersion in water despite splash resistance, and inspect the flashlight after impacts to ensure seals and the body remain intact.