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Bigblue BB4X5 750 Lumens LED Light

Dive Pink & Fight Breast Cancer. Includes a $5 Donation

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Regular: $249.99

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About Bigblue BB4X5 750 Lumens LED Light

This BB4x5 employs a 750 lumens single chip LED, featuring double o-ring for improved reliability and comes with the 8 x AA and C Alkaline or Ni-MH Batteries Adapters in a package, the extended burn time is up to an amazing 40 hours. It is operated by a Magnetic Rotary Switch with 2 levels of output, at 70% and 100%, which further prolongs the burn time. The Switch is equipped with a Locking Mechanism to prevent light from accidentally turning on when not in use.

The Lights Case is made from Durable Corrosion Proof Polycarbonate material which is Depth Rated to 330' (100 meters). The Lights Lens is Tempered Optical Glass and the Beam Angle is 40-. Light has a Color Temperature of 6500K. The Big Blue BB4x5 750 LED Light weighs 34.7 oz (984 g) with AA Batteries and 47.44 oz (1345 g) with C Cell Batteries. The Lights is Negatively Buoyant 1.09 oz (31 g) with AA Batteries and 13.8 oz (392 g) with C Cells. The Light measures 3.11" x 8.54" (79 x 217 mm). Light comes with a Pistol Grip and Lantern Handles, Wrist Lanyard and is available in 4 Color Choices.

DIVE PINK & FIGHT BREST CANCER! For every Pink Light sold $5 will be donated to fight breast cancer.

Warranty Information

This product has a limited warranty of 12 months.


Bigblue BB4X5 750 Lumens LED Light Features

  • Light Source - Cree LED
  • Light Output - I mode= 525lum, IImode= 750lum
  • Casing Material - Polycarbonate
  • Power Source - 8 AA or 8 C Alkaline 1.5V or NiMH batteries 1.2V
  • Angle Of Light Beam - 40 degrees
  • Safety Designs - Double o-ring Seal, Thermal protection system prevents the light from overheating
  • Color Temperature - 6500K
  • Burn Time - AA Batteries: Imode=5hrs, IImode=3hrs | C Batteries: Imode=40hrs, IImode=9hrs
  • Maximum Depth - 100M tested
  • Grip -
  • Weight - Weight in air 984g (with AA batteries) 1,345g (with C batteries)
  • Bouyancy - -In Seawater -31g (with AA) -392g (with C)
  • Switching System - Rotary magnetic switch system
  • Front Glass - Tempered optical glass
  • Lanyard - Included

Bigblue BB4X5 750 Lumens LED Light Customer Reviews Powered by TurnTo®

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Leaky light


On first dive with this light, it filled with water at 86 ft

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