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LetonPower Sealion L15 Underwater Photography Light Review: High-Performance Diving Light

by Letonpower on Jan 23, 2026
LetonPower Sealion L15 Underwater Photography Light Review: High-Performance Diving Light

Overview

This blogger unboxed and reviewed the LetonPower Sealion L15 underwater photography light, sharing their first impressions after initial testing.

The Sealion L15 boasts a maximum brightness of 10,000 lumens and is part of the LetonPower Sealion series, which provides affordable underwater lighting solutions for action cameras and smartphones.

Compared to ordinary, inexpensive lights commonly found on eBay or Amazon, the Sealion series offers superior build quality and more stable light output, making it a highly cost-effective choice for recreational divers and underwater photographers.

Performance and Price

Retail Price: $130

Actual Lumen Output: Estimated at around 6,000 lumens, while some lower-priced lights claim an exaggerated 50,000 lumens.

Build quality and performance surpass other lights in the $100-$150 price range.

Not intended to compete with professional underwater photography lights in the $500-$2,500 range.

The video emphasizes that while the Sealion L15 offers excellent value, users should have reasonable expectations regarding its performance, as it cannot be compared to high-end models.

Key Features and Benefits

High-brightness COB LED – Provides strong and stable illumination for underwater photography and video.

Affordable – Slightly more expensive than ordinary lights, but far superior in quality.

Suitable for action cameras and smartphones – Compatible with GoPro, DJI, Insta360, and phones in waterproof cases.

Stable and reliable light output – Suitable for recreational diving, night diving, and low-visibility environments.

Reviews indicate that the L15 provides a practical and reliable solution for divers who need bright underwater lighting but don't want to invest in expensive professional equipment.

Practical Usage Considerations

Lumen output may vary depending on battery type and brand.

Even with high-end lights, there is a difference between the nominal lumen value and the actual lumen value.

If you need a light brighter than the Sealion L15, you will need a higher budget.

Like a high-performance action camera, it performs exceptionally well in its price range.

Previous
Watertrek360 Review: LetonPower Submariner Series Budget Underwater Dive Lights Compared
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Long-Term Review: LetonPower Sealion L12 & L15 Budget Underwater Video Lights

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LetonPower Sealion L15 Underwater Photography Light Review: High-Performance Diving Light
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