SeaLife Sea Dragon 2500F Photo-Video Light Kit
In stock — ships from Irvine, CA
This item is currently on backorder. Order now to reserve yours, and we will ship it as soon as it is back in stock.
SeaLife Sea Dragon 2500F Photo-Video Light Kit is backordered and will ship as soon as it is back in stock.
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Product Information
The SeaLife Sea Dragon 2500F Photo-Video Light Kit is a 2500-lumen underwater video and photo light built around a flat-panel COB LED array that renders color at 90 CRI and 5000K, close to natural daylight, with a 120-degree beam in air (about 90 degrees underwater) and a depth rating tested to 200 feet / 60 meters.
Who it is for
This kit suits underwater photographers and videographers who need accurate, even color on footage shot with action cameras, smartphone housings, or SeaLife's own Micro-series and SportDiver cameras. The Flex-Connect tray and grip make it a handheld or rig-mounted light for reef and wreck video, macro work, and low-light wide shots where washed-out reds and oranges are the problem.
Key details
- 2500 lumens maintained at constant brightness through regulated circuitry, with 100%, 50%, and 25% settings plus a hidden emergency blink and SOS mode, all from a single button.
- Runtime is 60 minutes at full power, 120 minutes at 50%, and 240 minutes at 25%, powered by a removable 7.4V, 3400mAh, 25Wh lithium-ion battery that charges in 170 minutes.
- The anodized aluminum head (9 oz without battery, 12.9 oz / 365 g with battery) pairs with a fiber-reinforced polycarbonate body, dual NBR O-rings, and 35,000-hour COB LED bulb life. Head dimensions are 4.8 x 2.2 x 3.8 in (12.2 x 5.6 x 9.7 cm), and buoyancy underwater is negative at about 94 grams.
Compatibility and sizing
The Sea Dragon 2500F mounts through SeaLife's Flex-Connect system, so it works with SeaLife Micro-series cameras, the SeaLife SportDiver line, and GoPro cameras through the included adapter. The Flex-Connect single tray and grip in this kit can later expand with additional Flex Arms or trays for dual-light or dual-camera rigs.
What's in the box
- Sea Dragon 2500 light head
- Flex-Connect single tray with mounting screw
- Flex-Connect grip
- 25Wh rechargeable lithium-ion battery
- AC adapter, charging tray, and international plug adapters
- GoPro camera adapter
- Spare O-rings, lubricant, and removal tool
- Instruction manual
- Protective fitted case
DiveCatalog.com is an authorized SeaLife dealer and a dive shop in Irvine, California since 2003. Call 888-701-4017 or start a chat if you have questions about fit, compatibility with your camera, or the Flex-Connect system.
- 2500 lumens output from a flat-panel COB LED array with constant-brightness regulated circuitry that holds full brightness through the entire burn time.
- 90 CRI color rendering at 5000K color temperature mimics natural daylight so reds and skin tones stay true underwater.
- 120-degree beam angle in air (about 90 degrees underwater) spreads light evenly across the frame with no hot spots.
- One-button control cycles 100%, 50%, and 25% brightness plus a hidden emergency mode with blink and SOS signals.
- Runtime of 60 minutes at 100% power, 120 minutes at 50%, and 240 minutes at 25%.
- Removable 7.4V, 3400mAh, 25Wh lithium-ion battery charges in 170 minutes with the included charger and international plug adapters.
- Isolated waterproof battery compartment protects electronics even if the outer O-ring floods.
- Anodized aluminum light head with fiber-reinforced polycarbonate body and dual NBR O-rings for corrosion resistance and heat dissipation.
- 35,000-hour bulb life from the COB LED array.
- Negative buoyancy of about 94 grams underwater for stable handheld aiming.
- Flex-Connect mounting system allows expansion with additional Flex Arms or trays.
- Depth tested to 200 feet / 60 meters, with a quick-release button to detach the head for hand-aiming into crevices.
| Brand | SeaLife |
| Model | Sea Dragon 2500F Photo-Video Light Kit |
| Part Number | SL671 |
| Brightness | 2500 lumens, maintained constant through the burn time |
| Light Source | COB (chip-on-board) LED array, 35,000-hour bulb life |
| Color | 5000K color temperature, 90 CRI |
| Beam Angle | 120 degrees in air, approx. 90 degrees underwater |
| Light Modes | 100% / 50% / 25% constant brightness; emergency blink and SOS |
| Run Time | 60 min at 100%, 120 min at 50%, 240 min at 25% |
| Battery | Removable Li-ion, 7.4V, 3400mAh, 25Wh |
| Charge Time | 170 minutes |
| Depth Rating | Tested to 200 ft / 60 m |
| Head Dimensions | 4.8 x 2.2 x 3.8 in (12.2 x 5.6 x 9.7 cm) |
| Weight | 9 oz head only; 12.9 oz / 365 g with battery |
| Buoyancy | Negative, approx. 94 grams underwater |
| Materials | Anodized aluminum head, fiber-reinforced polycarbonate body, dual NBR O-rings |
| Compatibility | SeaLife Micro-series cameras, SeaLife SportDiver, GoPro (via included adapter), Flex-Connect accessories |
| In the Box | Light head, Flex-Connect single tray and grip, 25Wh battery, charger with international adapters, GoPro adapter, spare O-rings, lube, removal tool, manual, Sea Dragon case |
| Warranty | Standard limited manufacturer warranty; extended 1-year or 2-year coverage available |
- Sea Dragon 2500 light head
- Flex-Connect single tray with mounting screw
- Flex-Connect grip
- 25Wh rechargeable lithium-ion battery
- AC adapter, charging tray, and international plug adapters
- GoPro camera adapter
- Spare O-rings, lubricant, and removal tool
- Instruction manual
- Protective fitted case
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Is the Sea Dragon 2500F compatible with GoPro cameras?
Yes. The kit includes a GoPro camera adapter, and the light also works with SeaLife Micro-series and SportDiver cameras via Flex-Connect.
How long does the Sea Dragon 2500F battery last on a dive?
The removable 7.4V, 3400mAh, 25Wh lithium-ion battery runs 60 minutes at full 2500-lumen output, 120 minutes at 50% brightness, or 240 minutes at 25% brightness. A full charge with the included charger takes 170 minutes.
Can I expand the Sea Dragon 2500F setup with more lights or arms?
Yes. The light uses SeaLife's Flex-Connect mounting system, which is designed to grow with your rig. You can add Flex Arms or an additional tray to run a second light or camera alongside the included single tray and grip.
What is the depth rating of the Sea Dragon 2500F?
The Sea Dragon 2500F is depth tested to 200 feet / 60 meters.
