Groz LED/390

Groz LED/390 2-in-1 Rechargeable LED Torch User Manual

Model: LED/390

Introduction

Thank you for choosing the Groz LED/390 2-in-1 Rechargeable LED Torch. This versatile work light is designed for various applications, offering both a powerful COB floodlight and a focused LED top torch. Please read this manual carefully before use to ensure proper operation, maintenance, and safety.

Product Overview

The Groz LED/390 is a compact and durable lighting solution, featuring multiple functionalities for convenience and efficiency.

Key Features:

  • Dual Light Sources: Equipped with a 3W COB (Chip-on-Board) main light for wide illumination (160 lumens) and a 1W LED top torch for focused light (60 lumens).
  • Rechargeable Battery: Powered by a 1200 mAh Lithium-Ion battery, rechargeable via a Micro-USB cable.
  • Durable Design: Impact-proof and water-resistant ABS body with a protective rubber coating.
  • Versatile Mounting Options: Features a 360° rotating hanging hook, a 180° swiveling magnetic stand, and an integrated magnetic pocket/belt clip for hands-free operation.
  • Battery Indicator: Five green LEDs display the current battery level in 20% increments.
  • Single Button Operation: Easy switching between front light and top light modes.

Package Contents:

  • 1 unit of Groz LED/390 light (Top Torch and Side Light)
  • 1 x 5V Micro USB cable
Groz LED/390 2-in-1 Rechargeable LED Torch

Image: The Groz LED/390 2-in-1 Rechargeable LED Torch, showcasing its compact design.

Safety Instructions

  • Do not look directly into the LED light.
  • Keep out of reach of children.
  • Do not disassemble or modify the device.
  • Avoid exposing the device to extreme temperatures or direct sunlight for prolonged periods.
  • Do not immerse in water, despite being water-resistant.
  • Use only the provided or a compatible 5V Micro USB cable for charging.
  • Dispose of the battery according to local regulations.

Setup

Before first use, it is recommended to fully charge the Groz LED/390 torch.

  1. Locate the Micro USB charging port, protected by a rubber bezel.
  2. Connect the provided Micro USB cable to the torch and to a 5V USB power source (e.g., wall adapter, computer USB port).
  3. The battery indicator LEDs will illuminate to show charging progress. All five LEDs will be solid green when fully charged.
Groz LED/390 Charging Port and Battery Indicator

Image: Illustration of the charging port and battery indicator LEDs on the Groz LED/390.

Operating Instructions

The Groz LED/390 features a single button for multi-operation.

  1. Power On/Off: Press the power button once to turn on the main COB light. Press again to switch to the top LED torch. Press a third time to turn the device off.
  2. Switching Modes: Cycle through the main COB light and top LED torch by pressing the power button.

Using the Mounting Features:

  • Magnetic Base: The strong magnetic base allows you to attach the torch to metallic surfaces for hands-free illumination. The base swivels 180° for adjustable light direction.
  • Hanging Hook: Extend the 360° rotating hook from the top of the torch to hang it from various fixtures.
  • Pocket/Belt Clip: Use the integrated magnetic clip to secure the torch to your pocket or belt.
Groz LED/390 in use under car hood

Image: The Groz LED/390 illuminating an engine bay, demonstrating hands-free use with its magnetic base or hook.

Groz LED/390 in use in car trunk

Image: A user utilizing the Groz LED/390 to light up a car trunk, highlighting its versatility.

Charging

The Groz LED/390 is equipped with a rechargeable Lithium-Ion battery.

  • Charging Time: Approximately 2.5 hours for a full charge.
  • Battery Indicator: The 5 green LEDs indicate the charge level. Each LED represents approximately 20% of the battery capacity.
  • Charging Port Protection: The Micro USB charging port is protected by a rubber bezel to prevent dust and moisture ingress. Ensure it is properly sealed when not charging.
Groz LED/390 Lumens and Runtime

Image: Display showing the 160 lumens output and 2.5 hours runtime of the Groz LED/390.

Maintenance

  • Clean the torch with a soft, damp cloth. Do not use abrasive cleaners or solvents.
  • Ensure the charging port's rubber bezel is securely closed when not in use to maintain water resistance.
  • Store the torch in a cool, dry place when not in use for extended periods.
  • Recharge the battery every 3-6 months if stored for a long time to prolong battery life.

Troubleshooting

ProblemPossible CauseSolution
Light does not turn on.Battery is depleted.Charge the torch using the provided USB cable.
Light is dim.Low battery level.Recharge the torch.
Torch not charging.Faulty USB cable or power source.Try a different USB cable or power adapter. Ensure the cable is fully inserted.
Magnetic base not holding.Surface is not metallic or too thin.Ensure the surface is ferrous metal and sufficiently thick.

Specifications

Model NumberLED/390
Light Source TypeLED (3W COB + 1W LED)
White Brightness (COB)160 Lumens
White Brightness (Top LED)60 Lumens
Light Path Distance30 Metres
Power SourceBattery Powered
Battery TypeLithium Ion (1200 mAh)
Voltage3.7 Volts
Runtime3 hours
Charging TimeApprox. 2.5 hours
MaterialABS
Water Resistance LevelWater Resistant
Item Weight0.16 Kilograms
Item Dimensions (L x W x H)6L x 3.8W x 17H Centimeters
Country of OriginIndia
Groz LED/390 Dimensions

Image: Diagram illustrating the dimensions of the Groz LED/390 torch.

Warranty and Support

For warranty information or technical support, please contact Groz customer service. Details may be available on the product packaging or the official Groz website.

An optional 1-year extended warranty by OneAssist is available for purchase separately.

Manufacturer Contact Information: GROZ NET INDUSTRIES, Village- Kherki Daula, N.H. # 8, Gurgaon ( Haryana )- 122001 ; 0124-2827700

© 2026 Groz. All rights reserved.

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