XTAR D26 2800

Contents

XTAR D26 2800 Diving Flashlight User Manual

Your trusted partner for powerful underwater illumination.

1. Product Introduction

The XTAR D26 2800 is a portable, high-intensity diving flashlight designed for powerful underwater illumination. Featuring a maximum brightness of 2800 lumens and a 7° ultra-narrow beam, it can achieve a 450m throw, effectively penetrating murky waters. This flashlight is powered by a USB-C rechargeable 21700 battery, offering a 1.5-hour runtime in high-brightness mode. It is suitable as a primary light for recreational diving and a reliable backup light for technical diving, as well as for various outdoor activities, emergency use, and general lighting needs.

XTAR D26 2800 Diving Flashlight with key features highlighted: 2800lm Max Brightness, 21700 Battery USB-C rechargeable, 450m Max Beam Throw, 7° Ultra-Narrow Beam.

XTAR D26 2800 Diving Flashlight highlighting its main features.

2. Package Contents

The XTAR D26 2800 Diving Flashlight is available in two package options: 'Kt' and 'Set'. Please verify your package contents upon receipt.

D26 2800 Kt Package:

  • Flashlight × 1
  • USB Charging Cable × 1 (for rechargeable version)
  • Lanyard × 1
  • User Manual × 1
  • O-rings (spare)
Contents of the XTAR D26 2800 Kt package, including the flashlight, USB-C cable, lanyard, user manual, and spare O-rings, all within a protective case.

Contents of the D26 2800 Kt Package.

D26 2800 Set Package:

  • Flashlight × 1
  • USB Charging Cable × 1 (for rechargeable version)
  • Lanyard × 1
  • User Manual × 1
  • O-rings (spare)
  • 21700 Rechargeable Battery × 1
Contents of the XTAR D26 2800 Set package, including the flashlight, USB-C cable, lanyard, user manual, spare O-rings, and a 21700 rechargeable battery, all within a protective case.

Contents of the D26 2800 Set Package.

3. Setup

Battery Installation (for removable battery type):

  1. Unscrew the tail cap counterclockwise.
  2. Insert the 21700 battery with the positive pole (+) facing upward (towards the flashlight head).
  3. Screw the tail cap clockwise tightly to ensure a secure and waterproof seal.

4. Operating Instructions

4.1. Power ON/OFF

Press the switch lightly to turn the flashlight ON. Press again lightly to turn it OFF.

Diagram showing the magnetic switch operation: Single click to cycle modes (2800lm, 1400lm, 550lm), long press for 2 seconds to turn off, long press for 3 seconds for SOS mode.

Effortless Use & Emergency SOS: Magnetic switch operation.

4.2. Mode Switching

Short press the switch to cycle through the main lighting modes in the following order:

High (2800lm) → Medium (1400lm) → Low (550lm) → Off

Emergency SOS Mode: Long press the switch for 3 seconds to activate SOS mode. This mode is excluded from the main brightness cycle.

Image showing three lighting modes: High (2800lm, 1.5 hrs runtime), Mid (800lm, 2 hrs runtime), and Low (550lm, 4.5 hrs runtime) with their respective beam patterns.

Max 2800Lm, 3 Lighting Modes with runtimes.

Image illustrating the Enhanced Spotlight Mode with a 450m extreme throw and 7° ultra-narrow beam, showing its effectiveness in scanning seabed formations and tracking marine life.

Enhanced Spotlight Mode for precise underwater vision.

4.3. Charging (for rechargeable type)

The flashlight supports USB-C charging. Connect the provided USB-C cable to the flashlight and a power source.

  • Red light: Indicates the battery is currently charging.
  • Green light: Indicates the battery is fully charged.
Diagram showing a 21700 battery being charged via USB-C, with a red light indicating charging and a green light indicating fully charged.

USB-C Charging for the 21700 battery.

4.4. Power Indicator

The flashlight features a clear power indicator to show the remaining battery power at a glance:

  • Solid Green: Fully charged.
  • Solid Red: Approximately 30 minutes of runtime left.
  • Flashing Red: Approximately 10 minutes of runtime left.
Image showing the clear power indicator with LED colors: Solid Green for fully charged, Solid Red for 30 mins runtime left, and Flashing Red for 10 mins runtime left.

Clear Power Indicator for battery status.

5. Technical Specifications

The following table details the technical specifications of the XTAR D26 2800 Diving Flashlight:

Table of specifications for the XTAR D26 2800 Diving Flashlight, including Model, LED, ANSI Light Output (High 2800lm, Medium 1400lm, Low 550lm, SOS 1400lm), Burn Time, Battery, Spot Beam Angle, Beam Angle, Color Temperature, Color Rendering Index, Max Intensity, Max Beam Range, Waterproof Rating, Impact Resistance, Switching System, Housing Material, Lens Material, Storage Temp, Dimensions, and Net Weight.

Detailed Technical Specifications.

6. Maintenance

  • Cleaning: Clean the surface of the flashlight with a dry cloth. Do not use corrosive chemicals.
  • Storage: Store the flashlight in a dry and cool place.
  • Long-term Storage: If the flashlight will not be used for a long time, remove the battery and charge it every 3 months to maintain battery health.
  • Sealing Ring: Regularly check the sealing ring (O-rings) to ensure it is clean and properly seated to maintain waterproof performance. Replace if damaged.
Exploded view of the flashlight showing its dual-structure components: Inner Tube, Type III Anodized Aluminum Alloy Casing, High-Quality Rubber O-rings, and Outer Tube, emphasizing durability.

Durable Dual-Structure with O-rings for waterproofing.

7. Safety Warnings

  • Eye Safety: Do not shine the light directly into human or animal eyes, as the strong light may cause eye damage.
  • Children: Keep the flashlight away from children to prevent accidental injury or swallowing small parts.
  • Handling: Do not disassemble, modify, squeeze, or expose the flashlight to high temperatures.
  • Charging: Use only the specified charging cable and power supply. Do not overcharge or over-discharge the battery.
  • Environment: Do not use the flashlight in flammable or explosive environments.
  • Waterproof: The flashlight is designed for underwater use up to 100m. Ensure all seals are intact and the tail cap is tightened before submerging.

8. Troubleshooting

  • Flashlight does not turn on:
    • Check the battery power level.
    • Verify the battery polarity is correct (positive pole upward).
    • Ensure the tail cap is screwed on tightly.
  • Low brightness:
    • Charge or replace the battery.
  • Water inside the flashlight:
    • Stop using immediately.
    • Open the flashlight and allow it to dry completely before attempting to use it again.
    • Check O-rings for damage or improper seating.

9. Warranty and Support

For non-human quality problems, we provide after-sales support according to platform rules.

Damage caused by improper use, disassembly, water immersion, or collision is not covered by free service.

For further assistance, please refer to the official XTAR D26 2800 User Manual (PDF) available at: XTAR D26 2800 User Manual PDF

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.