Troubleshooting Tips – Try These Tips at Home

Troubleshooting Tips – Try These Tips at Home

Please make sure to take the battery out of the charger before plugging into the wall, then insert the battery into the charger once the charger is plugged into an outlet. You should see a green light when the charger is plugged into the outlet without a battery inserted, insert the battery and the charger should show a red indicator. This means the battery is charging. If you don’t see a red indicator, try rolling the battery in the charger.


Please clean off both side of battery before inserting into the charger to ensure proper connections.


Please make sure you are using a Bigblue Battery. Using an off-brand battery can result in a malfunction light.


If you charger is not turning red once battery is inserted you can spin the battery around or remove the battery and insert it again.


Make sure that the batteries are making good connections by cleaning the threads on both the light head and the body. Check the connections to assure that there is no rust or corrosion on them.


Sometimes the spring on the inside of the body (not on the light head) gets compressed; you can try pulling that spring out of the light and stretching it to provide a stronger battery connection.


Try placing your light in a freshwater soak for 24 hours. This often frees up any salt or sediment which can build up under the switch.


Battery charging guide

18650 – 3-4hrs

26650- 5-6hrs

32650 -6-7hrs

18650×4 – 2-3hrs

18650×4 SUPREME – 5-6hrs

18650×7 – 2-3hrs

21700×4 – 2-3hrs

21700×4 – 2-3hrs

What is Bigblue’s warranty policy?

One Year Limited warranty from date of purchase set forth by Bossk International – Manufacturer of the Bigblue Dive Lights line of products and accessories. Products being returned can be refunded, repaired or replaced at the manufacturer’s discretion.


  • BigBlue guarantees the proper operation of this product by the original retail purchaser under normal and intended use.

  • This warranty applies only to the original retail purchaser, which does not cover commercial or rental use, and it is not transferable to third parties.

  • If the original retail purchaser detects defect in the material or workmanship, return the product together with proof of purchase, including the date of purchase to an authorised BigBlue dealer or BigBlue.

  • The warranty covers a period of up to one year from the date of purchase. Warranty for rechargeable battery pack is valid for six months only.

  • This limited warranty is in lieu of all other warranties. No other person or party is authorised to assume for BigBlue any other liability in connection with the sales of this product.

  • This warranty will be voided if the product or any of its parts have been tempered with, repaired, modified, transformed, adapted, or damaged without authorisation by BigBlue.

  • This warranty does not cover parts subjected to normal wear and tear, including and is not limited to the following: O-Ring, battery pack, front glass (surface scratch or damage on impact).

  • This warranty does not cover damages due to impact, used in chlorinated or polluted waters, and extended exposure to heat sources.

Does Bigblue offer product servicing or repairs?

We encourage you to go through your local dealer for warranty and repairs. If you don’t have a dealer near you, please contact us to establish a return authorization.

Maintenance & Transportation

Clean the light and Lubricate the O-Ring

  • For good practice, put the light into fresh water for few hours after every dive.
  • After each dive, always rinse with fresh water. If the diving light and the battery will not be used for a prolonged period of time (more than a month), remove the battery from the light.

  • In rare cases of flooding, discontinue use. Turn the light off immediately, disconnect the battery, and rinse with fresh water. Let the component dry completely, and return it to BigBlue for service.

  • Flooding damage cannot be repaired on site.

  • Dry it out and put the silicone crease on the O-Ring. Ready for other dive.

Does Bigblue ship products outside of the United States?

Bigblue is sold through dealers, carefully selected to match our corporate mission of providing high-quality products backed by professional customer service. Today we distribute our products globally and have a broad client base including many satisfied customers on all continents. While we don’t directly ship internationally from our website, you can find a dealer near you to ship your Bigblue products.

Do you sell replacement parts to repair my kit? If not, where can I find them?

Bigblue sells replacement batteries and battery packs, as well as replacements for the accessories that come with our lights (e.g. handles, gloves, filters). For certain repairs, it is necessary for the light to be returned to us to evaluate and repair. Please contact us to establish a return authorization request.

How do I replace my dive light battery?

All Bigblue dive lights come with replaceable batteries and battery packs. To replace the battery, unscrew the body and remove the old battery before inserting the new one, ensuring it is seated in the proper position. For battery packs, make sure the wire plug connection is tight.

My dive light will not turn on. How can I determine if it is a battery problem?

All Bigblue dive lights come with replaceable batteries and battery packs. Inspect batteries for corrosion or other damage. To replace the battery, unscrew the body and remove the old battery, insert the charged one ensuring it is seated in the proper position so that all connections are tight. Most Bigblue lights require that the battery compartment be screwed tightly onto the light head, assure that salt build-up within the threads is not impeding a tight connection.

Make sure your battery is charged. If you have access to an identical Bigblue battery, try that battery in the light. If your light still does not turn on, please contact us to establish a return authorization request.

For more information about using our batteries, read our Battery Usage Guide.

How do I become a dealer of Bigblue Dive Lights?

Becoming a Bigblue dealer is easier than ever! Fill out this form to apply to become a dealer. We will respond to the email address or phone number specified.

When will I receive my order?

Products and accessories being ordered from Bigblue Dive Lights will be shipped from our warehouse in Clearwater, FL to the customer via the chosen shipping method. While we usually have most items in stock, lead times can range from 0-21 days depending on availability.

Can you use dive lights on land?

Dive lights are designed for water-based heat dissipation while being used underwater, and will eventually overheat when used out of the water. While our lights do contain a safety shutoff for overheating, we do not recommend using our dive lights topside for extended periods of time.

Do I need a power converter to charge my battery when I travel overseas?

All products sold by Bigblue USA use standard North American Type A or Type B power plugs. If you travel outside of the country you may need to bring a power adapter for that region.

Does Bigblue offer a military discount?

Bigblue USA offers a 10% military discount. Please contact sales for more information.

Will Bigblue sponsor my expedition?

Please contact sales for inquiries about sponsorship, donations or in-kind marketing activities.