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GREEN LIGHTING TECHNOLOGY CO.,LTD

3.7V 4000LUX Rechargeable 85lum Underground Coal Mining Light 143g 2.8Ah 100000hrs

Product Details

Place of Origin: Manufacturer in China
Brand Name: Green Lighting
Certification: ATEX, CE, FCC,CSA
Model Number: GL2.5-A

Payment & Shipping Terms

Min Order: 1 UNITS
Price: Negotiation
Packaging: standard Packagingor customer's requirement
Delivery Time: 15-20 DAYS
Payment Terms: TT/West Union/PayPal
Supply Ability: 10000 Units/Month

Detailed Product Description

Itroduction to 3.7V rechargeable 4000 LUX underground coal mining light


3.7V 4000LUX Rechargeable 85lum Underground Coal Mining Light 143g 2.8Ah 100000hrs is one type of our underground coal mining lights, This 3.7V rechargeable underground coal mining light features a main light and six auxiliary LEDs delivering 85 lumens and 4000LUX brightness. Weighing only 143g, it's powered by a 2.8Ah Li-ion battery and operates up to 13 hours. With IP67 waterproof protection, 100,000 hours LED lifespan, and cordless design, it ensures safety and mobility for coal miners. Ideal for underground mining, patrols, and industrial use in harsh environments.


Features and Functions of 3.7v 4000 LUX Underground Coal Mining Light


Brightness

  • 4000LUX, 85 lumens


Battery

2.8Ah Rechargeable Li-ion, over 1000 cycles


Lighting Time

  • 12–13 hours


Weight

  • 143g


LED Lifespan

  • 100,000 hours


Safety

  • IP67 waterproof, explosion-proof, overcharge/short-circuit protection


Design

  • Lightweight, cordless, head-mounted


Accessories

  • Elastic headband, helmet bracket


Warranty

  • 1-year warranty with technical support


Technical Parameters of 85lum Underground Coal Mining Lights 143g 2.8Ah 100000hrs.jpg


Technical Parameters of 85lum Underground Coal Mining Light 143g 2.8Ah 100000hrs


Model
GL2.5-A underground coal mining lights
Light Source
1 main light and 6pcs auxiliary lights
Battery capacity
2.8Ah
Rated voltage
3.7V
Mian light current
180mA
The power of the main light
0.65W
85Illuminums
143LUM
Brightness
4000lux
The life span for main light
100000hours
Battery cycles
1000 cycles
Working time
12 hours
Weight
126g
Waterproof grade
IP67
Certified
CE


Customization options of 3.7V 4000LUX Rechargeable 85lum Underground Coal Mining Light


Customizable ElementOptions
Logo PrintingLaser-engraved company logo on the lamp body
Lamp Ring ColorYellow, Orange, Green, White
PackagingOEM packaging with company branding
Charging MethodCustom charging base or USB port
Beam AngleAdjustable beam head or fixed head
Light ModeHigh/Low/Flashing modes customization


Applications of 3.7V 4000LUX Rechargeable 85lum Underground Coal Mining Light


Applications of 3.7V 4000LUX Rechargeable 85lum Underground Coal Mining Lights.jpg








  • Coal Mining

  • Underground Tunnels

  • Patrol & Emergency Rescue

  • Power Plant Overhaul

  • Police & Firefighting Units

  • Shipyard and Dockyards



What are advantages of 3.7V, 4000LUX Rechargeable, 85lum, 143g, 2.8Ah, 100000hrs for Underground Coal Mining Light



Investment Value Analysis & Purchase Scenarios of 3.7v 2.8AH 4000 LUX Underground Coal Mining Light


This underground coal mining light offers high brightness (4000LUX), lightweight design (143g), and long lifespan (100,000 hours), making it a cost-effective choice for long-term use in mines. It’s ideal for coal mines, tunnels, and rescue operations. Buyers should consider brightness, runtime, safety features, and battery capacity before purchase.


After-Sales Service & User Guide of 3.7v 2.8AH 4000 LUX Underground Coal Mining Lights.jpg


After-Sales Service & User Guide of 3.7v 2.8AH 4000 LUX Underground Coal Mining Light


Warranty1-year warranty for battery and light module
User ManualProvided with step-by-step usage instructions
Charging Guide6–8 hours to fully charge, auto shut-off protection
Technical Support24/7 online support and remote troubleshooting
Replacement PartsBattery, straps, brackets available on request
Usage TipsAvoid overcharging, clean regularly, store in dry conditions


Faqs about this Underground Coal Mining Light


What makes these underground coal mining lights suitable for long shifts in the mine?

These lights offer 12+ hours of working time and a 2.8Ah Li-ion battery, ensuring consistent illumination throughout extended underground operations.


Are these underground coal mining lights bright enough for deep mine tunnels?

Yes, with 4000LUX brightness and 85 lumens, the light provides strong, focused beams, perfect for deep, dark tunnel navigation and coal extraction zones.


How portable are the underground coal mining lights for workers on the move?

Weighing only 143g, these lights are ultra-light and easy to mount on hard hats, allowing workers to move freely in tight and rugged mining conditions.


What safety features do these underground coal mining lights offer?

These lights are IP67 waterproof and explosion-proof, making them safe for hazardous underground environments where safety compliance is critical.


How long do underground coal mining lights typically last?

With a main light lifespan of 100,000 hours and 1000 battery cycles, these lights are built for longevity and reduce the need for frequent replacements.


Can the underground coal mining lights be customized for different mining needs?

Yes, we offer OEM/ODM options, including adjustable brackets, color casing, logos, and different lighting modes based on mining site requirements.

Tags: 100000hrs Underground Coal Mining Light, 3.7V Underground Coal Mining Light, 4000LUX Underground Coal Mining Light, Rechargeable Underground Coal Mining Light, 85lum Underground Coal Mining Light, 143g Underground Coal Mining Light, 2.8Ah Underground Coal Mining Light

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Company Name:GREEN LIGHTING TECHNOLOGY CO.,LTD
Tel:+ 86 13670127774
Web: www.led-mininglight.com/m/
E-mail:sales09@szglighting.com

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