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NITECORE E4K High Brightness Rechargeable Compact Flashlight Outdoor Hiking Mountaineering Portable EDC Emergency Light
Specifications
Material Aluminum alloy
Suitable Scenarios Outdoor work
Power Mode Charging - Type-C
Place of Origin Guangzhou Guangdong
Longest battery life 5-10h (inclusive)
Waterproofing Level IP68
Waterproof Waterproof
Maximum lumens 3,000-5,000lm
Package Contents E4K *1
NL2150HPR lithium battery *1
Charging cable *1
Battery tube sleeve *1
Clamp *1
Flashlight case *1
Waterproof ring *1
Wrist strap *1
Product Description Product Specifications
Light Output (ANSI FL1 Standard, using one 21700 Li-ion battery NL2150HPR 5000mAh at 26°C):
Additional details
Turbo 4400 lumens (30 minutes runtime)
High 1050 lumens (3 hours runtime)
Medium 320 lumens (7 hours runtime)
Low 50 lumens (45 hours runtime)
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Adjustable focus
Fixed focus
Detachable battery Detachable
Rechargeable or not Rechargeable
Ultra-low
2 lumens (700 hours runtime)
Peak Beam Intensity 11,100 candela (Turbo)
Impact Resistance 2 meters drop tested
Water Resistance IP68 rated, waterproof up to 2 meters underwater Strobe (random frequency for enhanced disorientation)
Additional details
LED 4 x CREE XP-L2 V6 LEDs with crystal bright plating and PDOT digital optical optimization technology
Standard 1 x NITECORE 21700 rechargeable Li-ion battery (NL2150HPR, 5000mAh) Compatible with CR123 and RCR123 batteries (Turbo mode disabled when using these)
Requires 21700 battery with minimum 15A discharge capability for Turbo mode
Additional details
Charging USB-C port for convenient charging High-efficiency constant current driver for stable brightness output
Built-in ATR temperature regulation module for automatic brightness adjustment based on temperature
Electronic reverse polarity protection
Aerospace-grade aluminum alloy with triple-layer hard anodized finish for durability and wear resistance
Dual-sided coated scratch-resistant optical lens
Additional details
Compact and lightweight design 80 g weight, 117.56 mm length, 28.6 mm head diameter, 28.1 mm tail diameter Diamond knurling for enhanced grip
Heat dissipation fins on both ends
Tail stand capability for hands-free use
Additional details
Two-stage side switch for one-handed operation long press to on/off, short press to cycle brightness levels Built-in battery level indicator integrated into the switch, displays battery voltage with ±0.1V accuracy
Additional details
Tactical mode triple-click side switch from off to activate strobe
Daily mode triple-click side switch from off to activate Turbo Memory function remembers last used brightness level
Includes dual-direction pocket clip for versatile carry options
Comes with battery sleeve for CR123/RCR123 compatibility
Includes USB-C charging cable, flashlight holster, lanyard, and spare O-ring
NITECORE 21700 rechargeable Li-ion battery (NL2150HPR, 5000mAh)
Battery sleeve for 18650/CR123/RCR123 batteries
Performance data measured under ANSI/PLATO FL1-2019 standards at 26°C ambient temperature using a 21700 battery with 15A discharge capability. Actual performance may vary depending on battery type and environmental conditions.
Turbo mode requires a 21700 battery with at least 15A continuous discharge capability; Turbo mode is disabled when using CR123 or RCR123 batteries.
Runtime for Turbo mode is measured before thermal regulation activates.
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