Nitecore HA23 UHE 600-lumen Green headlamp (Nitecore, SKU: HA23 UHE GREEN) is a lightweight headlamp in a green colour version, equipped with a primary light offering three colour temperatures and an auxiliary red light. Four dual-core NiteLab MCT UHE LEDs provide an output of up to 600 lumens and a beam distance of up to 132 m. The headlamp can be powered by three AAA batteries or an optional Nitecore HLB1500 rechargeable battery.

Key features

• maximum output of 600 lumens and a beam distance of up to 132 m
• four dual-core NiteLab MCT UHE LEDs
• three primary light colour temperatures: 3,000 K, 4,500 K and 6,500 K
• four primary light brightness levels
• auxiliary red light with two brightness levels
• SOS, Beacon and red Slow Flashing special modes
• integrated multifaceted optical system providing a uniform beam
• direct access to Ultralow mode
• independent selection of the brightness level and colour temperature
• two buttons with different shapes and tactile surfaces for easy one-handed operation
• lockout function preventing accidental activation
• four-stage remaining power indicator
• powered by three AAA batteries or a Nitecore HLB1500 rechargeable battery
• maximum runtime of up to 125 hours with the HLB1500 rechargeable battery
• lightweight construction weighing 56 g with the headband, excluding the power source
• housing made from impact- and low-temperature-resistant PC plastic
• IP68-rated dust and water resistance and impact resistance from a height of 1 m

Set contents

• Nitecore HA23 UHE Green headlamp
• 3 alkaline AAA batteries
• headband
• carrying pouch serving as a diffuser
• clip

Technical specifications

• manufacturer: Nitecore
• model: HA23 UHE Green
• type: headlamp with three colour temperatures
• primary light source: 4 dual-core NiteLab MCT UHE LEDs
• warm light: 3,000 K
• neutral white light: 4,500 K
• cool white light: 6,500 K
• High mode: 600 lumens / 132 m / 4,364 cd
• Mid mode: 280 lumens / 94 m / 2,197 cd
• Low mode: 100 lumens / 54 m / 722 cd
• Ultralow mode: 6 lumens / 14 m / 47 cd
• red light, High level: 15 lumens / 5 m / 7 cd
• red light, Low level: 5 lumens / 4 m / 3 cd
• red Slow Flashing mode: 15 lumens
• SOS mode: 600 lumens
• Beacon mode: 600 lumens
• runtime with the HLB1500 rechargeable battery, High mode: 3 hours
• runtime with the HLB1500 rechargeable battery, Mid mode: 4 hours 30 minutes
• runtime with the HLB1500 rechargeable battery, Low mode: 12 hours
• runtime with the HLB1500 rechargeable battery, Ultralow mode: 125 hours
• runtime with the HLB1500 rechargeable battery, red light High level: 16 hours
• runtime with the HLB1500 rechargeable battery, red light Low level: 41 hours
• runtime with 3 alkaline AAA batteries, High mode: 1 hour 30 minutes
• runtime with 3 alkaline AAA batteries, Mid mode: 2 hours 30 minutes
• runtime with 3 alkaline AAA batteries, Low mode: 8 hours
• runtime with 3 alkaline AAA batteries, Ultralow mode: 97 hours
• runtime with 3 alkaline AAA batteries, red light High level: 13 hours
• runtime with 3 alkaline AAA batteries, red light Low level: 31 hours
• power source: 3 AAA batteries or 1 Nitecore HLB1500 1,500 mAh Li-ion rechargeable battery
• compatible AAA batteries: alkaline and Ni-MH rechargeable batteries
• incompatible power sources: 10400 Li-ion and LFP rechargeable batteries
• maximum beam intensity: 4,364 cd
• optical system: integrated multifaceted lens
• housing material: impact- and low-temperature-resistant PC plastic
• housing colour: green
• IP rating: IP68, submersible to 2 m
• impact resistance: drop from a height of 1 m
• dimensions: 60.2 × 46.7 × 34.2 mm
• weight with the headband, excluding the power source: 56 g
• weight with the headband and 3 alkaline AAA batteries: 90 g

The Nitecore HA23 UHE Green allows the colour temperature and brightness level to be adapted to outdoor conditions, while compatibility with two power options supports use during longer activities after dark.