Bigblue 3800 Lumens Narrow Beam Technical Dive Light

SKU: BBLL80379 MFR: TL3800P

Key Features

  • Experience powerful underwater illumination with this Bigblue 3800 lumen dive light.
  • Enjoy extended dives with a burn time up to 15 hours on the lowest light setting.
  • The narrow 10-degree beam angle makes this tech light perfect for precise navigation.
  • Built tough with anodized aluminum, this dive light is depth rated to 492 feet (150m).
  • Compact & lightweight design; this underwater light is easy to handle with gloves.
  • Rechargeable battery & multiple accessories included for convenient diving adventures.
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Shopper : Why Did You Choose This?ELAN F : I need a primary light and my other primary lights have been not been dependable enough.LUC R : I dove with a friends 3500 just yesterday and I was amazed at beam that it had compared to my 10watt canister light . I just had to get my Own !Carlos Eduardo R : I already have another flashlight from this brand and it is of great quality and a powerful beam of light.

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Bigblue 3800 Lumens Narrow Beam Technical Dive Light Specifications

  • Materials

    Case: Anodized Aluminum
    Lens: Tempered Optical Glass

  • Lamp

    3 x XML LED

  • Lumens

    3800 Full Power

  • Color Temperature

    6500-Degrees K

  • Beam Angle

    10-Degrees

  • Batteries

    Rechargeable Lithium-Ion 32650 Battery

  • Burn Time

    1.5-Hours (level IV)
    3-Hours (level III)
    6-Hours (level II)
    15-Hours (level I)

  • Depth Rating

    492' (150m)

  • Light Modes

    Level Outputs::
    3800 Lumens (Level IV)
    1900 Lumens (Level III)
    950 Lumens (Level II)
    380 Lumens (level I)

  • Dimensions (L x Dia.)

    5.34 x 2.48" (135.6 x 63mm)

  • Weight

    15.77 oz (447g) w/Battery

  • Buoyancy

    -7.66 oz (-217g)

  • Attachment or Handle

    Handheld, Lanyard, Goodman Glove, Lantern Handle

  • UPC Code

    4895244900379

About Bigblue 3800 Lumens Narrow Beam Technical Dive Light


Welcome to the world of exceptional visibility with the Bigblue TL3800P! This high-tech diving light with an impressive 3,800 lumens output turns every underwater excursion into an exciting adventure. Its 10-degree spot beam cuts through the water, illuminating your path even in the most challenging conditions.


Our TL3800P's compact form masks its exceptional power. With a user-friendly push-button switch and four versatile power levels, including an SOS function, you're in complete control. The light source, 3 XML LEDs, provides you with flexible lighting options, from 380 lumens at Level I to a stunning 3,800 lumens at Level IV.


This self-contained light uses a 32650 lithium-ion rechargeable battery, guaranteeing long-lasting operation. It also includes a USB charger, compatible with 18650, 26650, and 32650 batteries, ensuring continuous light supply for your dives.


Providing you with utmost flexibility, the TL3800P includes a robust Goodman-style glove and a versatile aluminum lantern-style handle. Whether you're a beginner or a seasoned diver, this light becomes an extension of you underwater.


The TL3800P, 3800 Lumens LED Technical Light utilizes 3 x XML LED that provide a light output of 380 lumens (Level I), 950 lumens (Level II),1900 lumens (Level III), and 3800 lumens (Level IV). Lights burn times are 1.5-hours (Level IV), 3-hours (Level III), 6-hours(Level II), and 15 hours (Level I).


Your experience is further enhanced with its narrow 10-degree beam and a 6500-Degree K color temperature, ensuring optimal visibility and vibrant colors. Plus, you can dive deeper with peace of mind, thanks to its durable aluminum alloy construction, anti-corrosive black anodized finish, and double O-ring seal providing a 492' (150m) depth rating.


This technical light, measuring 5.34 x 2.48" (135.6 x 63mm) and weighing 15.77 oz (447g) with batteries and is negative -7.66 oz (-217g) underwater, making it an easy addition to your diving gear. Along with the light, you get a rechargeable battery, USB charger, Goodman glove, lantern handle, lanyard, two spare O-rings, silicone lube, dry bag, and a comprehensive owner's manual.

Bigblue 3800 Lumens Narrow Beam Technical Dive Light Features

  • 3800 Lumen Narrow Beam Technical Light:
  • Self-Contained Technical Light
  • Pumps Out Stunning 3,800 Lumens
  • Compact Body Style
  • Reliable Push-Button Switching Mechanism
  • Four Power Levels & SOS Function
  • Power: 32650-Lithium-Ion Rechargeable Battery Pack
  • Comes w/USB Charger
  • Reinforced Goodman-Style Glove, & Aluminum Lantern-Style Handle
  • Versatile Option for Any Diver
  • Lamps: 3 x XML LED
  • Level Outputs:
    3800 Lumens (Level IV)
    1900 Lumens (Level III)
    950 Lumens (Level II)
    380 Lumens (level I)
  • Burn Time:
    1.5-Hours (level IV)
    3-Hours (level III)
    6-Hours (level II)
    15-Hours (level I)
  • Color-Coded Battery Indicator
  • Construction:
    Case: Anti-Corrosion Anodized, Aluminum Alloy
    Double O-Ring Sealed
    Lens: Tempered Optical Glass
  • Depth Rating: 492' (150m)
  • Dimensions (L x Dia.): 5.34 x 2.48" (135.6 x 63mm)
  • Weight: 15.77 oz (447g) w/Battery
  • Buoyancy: -7.66 oz (-217g)
  • Includes:
    Rechargeable Battery
    USB Charger
    Goodman Glove
    Lantern Handle
    Lanyard
    2-Spare O-Rings
    Silicone Lube
    Dry Bag
    Owner's Manual

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience powerful underwater illumination with this Bigblue 3800 lumen dive light.
  • Enjoy extended dives with a burn time up to 15 hours on the lowest light setting.
  • The narrow 10-degree beam angle makes this tech light perfect for precise navigation.
  • Built tough with anodized aluminum, this dive light is depth rated to 492 feet (150m).
  • Compact & lightweight design; this underwater light is easy to handle with gloves.
  • Rechargeable battery & multiple accessories included for convenient diving adventures.

What's in the box:

  • Light
  • Rechargeable Battery
  • USB Charger
  • Lantern Handle
  • Goodman Glove
  • Lanyard
  • 2x Spare O-Rings
  • Silicone Lube
  • Dry Bag
  • Owner's Manual
  • MFG 1 Year Limited Warranty