BLUDIVE BD20 V2 1800lm 641m Waterproof Scuba Dive Flashlight
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- $95.69
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1800LM MAX & 5-DEGREE CONCENTRATED SPOT: Eliminates dangerous underwater backscatter glare caused by wide floodlights reflecting off algae and particles in murky water. Driven by a premium Luminus SFT25R LED and a smooth SMO reflector to focus an incredible 1800 lumens into a laser-sharp 5-degree tight beam column, achieving a penetrating 641-meter throw with massive 102,750cd intensity.
150M CERTIFIED DEEP PRESSURE ARMOR: Built like a miniature vault to handle recreational primary diving or technical backup missions. CNC-machined from high-strength aerospace 6061 aluminum with an AR-coated 4mm tempered glass lens, utilizing heavy-duty multi-layered waterproof sealing rings to withstand extreme environments depth rated up to 150 meters underwater.
DUAL-FUEL VERSATILITY & 4-HOUR RUNTIME: Shuts down the frustration of carrying bulky standalone docks onto a rocking boat. Powered by an included premium 18650 3400mAh battery that plugs directly into any Type-C cord for rapid refueling, delivering up to 4 hours of continuous runtime. It remains fully compatible with 2* CR123A Lithium cells as an instant off-grid emergency power backup.
3-MIN AUTO-LOCKOUT & ANTI-SHORT FAILSAFE: Eliminates the danger of drained batteries or dive bag heat damage. Features an intelligent 3-minute Automatic Lockout function that secures the stainless steel side switch from accidental bumps, paired with electronic reverse polarity protection and an accurate built-in real-time battery lifespan tracker.
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Warranty
Most flashlights can directly get 5 years warranty; battery and accessories get 1 year warranty.
Note
Any questions, please email to info@sperasflashlight.com
SPERAS BD20 V2 Dive Torch Overview & Core Features
1800LM LUMINUS LED & 6500K COLOR: Upgraded with a premium Luminus LED reaching a maximum output of 1800 lumens. The 6500K color temperature provides excellent color rendition, bringing true marine colors to life during your dive.
5-DEGREE CONCENTRATED SPOT BEAM: An SMO reflector paired with an AR-coated 4mm tempered lens creates a razor-sharp, concentrated 5-degree beam angle, achieving a massive 641-meter throw while completely minimizing backscatter.
DUAL POWER SOURCE & 4H RUNTIME: Compatible with both an 18650 3400mAh rechargeable lithium battery (included) and 2*CR123A batteries. Delivers up to 1.5 hours on High mode (1800lm) and 4 hours on Low mode (500lm).
150M DEEP WATERPROOF & SAFE UI: Aircraft-grade aluminum body depth rated to 150 meters. Features a stainless steel side switch with a built-in power indicator, reverse polarity protection, and a 3-minute auto-lock to prevent accidental activation.
Bludive BD20 V2 vs. BD40: Choosing Your Dive Light
Different dives require different gear. Compare our top-tier scuba diving flashlights to find the perfect match for your underwater adventures.
| Features | 🔥 BLUDIVE BD20 V2 (Compact) | BLUDIVE BD40 (Heavy-Duty) |
|---|---|---|
| Primary Advantage | Incredible 641m Throw & Compact Size | Massive battery capacity, extended runtime |
| Max Output & Beam | 1800 Lumens / 5° Concentrated Spot | 1800 Lumens / 6° Concentrated Beam |
| Beam Distance | 641 Meters | 351 Meters |
| Power Source | 18650 Battery (or 2*CR123A) | 21700 Battery (5000mAh) |
| Ideal Use Case | Recreational Primary / Tech Backup | Deep Sea Primary / Extended Exploration |
Bludive Dive Flashlights—Born for the Abyss
Superb Color Rendition & 5° Spot
The upgraded Luminus LED's 6500K color temperature brings marine colors to life with excellent clarity, making it a fantastic underwater flashlight for observation.
Paired with the SMO reflector, it emits a razor-sharp, highly concentrated 5-degree beam, slicing through murky conditions to deliver a staggering 641-meter beam distance.
Intuitive UI & Battery Indication
Change between High, Low, and Strobe modes effortlessly underwater with the handy stainless steel side switch. The built-in LED indicator provides accurate real-time battery status (Green/Red) for your dive torch.
It also features an Automatic Lock function after 3 minutes in the OFF state to prevent accidental triggering and battery drain.
Dual Power Source & USB-C
Flexibility is vital. The BD20 V2 waterproof dive flashlight is powered by an included 3400mAh 18650 lithium battery equipped with a convenient direct Type-C charging port built right into the battery cell.
In emergencies or freezing waters, it's fully compatible with 2*CR123A batteries. It is also safely designed with reverse polarity protection against improper installation.
Technical Specs & Box Contents
BD20 V2 Specs ⚙️
- Max Output: 1800 Lumens (Luminus SFT25R)
- Max Throw: 641 Meters (102,750cd)
- Beam Angle: 5° Concentrated Spot
- Battery: 18650 (3400mAh) or 2*CR123A
- Waterproof: IPX-8 (150 Meters Submersible)
- Dimension & Weight: 140*37*25mm / 130g
📦 Inside the Box
Your complete kit, ready for the abyss:
- 1 × BLUDIVE BD20 V2 Dive Flashlight
- 1 × 18650 Lithium Battery (3400mAh with USB-C Port)
- 1 × USB Charging Cable
- 1 × Diving Lanyard
- 3 × Extra O-rings (Crucial for sealing)
- 1 × User Manual
Bludive diving flashlights help you illuminate the underwater world
Don't let murky waters or unreliable gear ruin your dive. Equip yourself with the highly qualified BD20 V2 waterproof dive torch, delivering an incredible 641m throw and up to 4 hours of dependable light.
🛒 SELECT OPTIONS & ADD TO CARTType-C Battery Included | 150m Waterproof | Fast Secure Shipping
Frequently Asked Questions (FAQ)
Why is the 5-degree beam angle important for the BLUDIVE BD20 V2 dive flashlight?
A tight 5-degree beam is essential for cutting through water that has high particulate matter (sediment, algae). A wide beam will reflect off these particles, creating a blinding "backscatter". The ultra-concentrated beam of the BLUDIVE BD20 V2 penetrates straight through, giving you an extreme distance visibility up to 641 meters, making it perfect for pointing out marine life with your underwater flashlight.
Can I use the BLUDIVE BD20 V2 scuba dive light as a primary underwater flashlight?
Absolutely. For recreational night diving or reef exploration, the upgraded 1800 lumens output of the BLUDIVE BD20 V2 is exceptionally powerful. Because of its highly reliable build, 150m waterproof rating, and up to 4 hours of runtime on low mode, it is widely used as a primary light for recreational divers, and as a highly trusted backup dive torch for technical/cave divers.
How do I charge the battery for the BD20 V2?
The BLUDIVE BD20 V2 includes a high-capacity 3400mAh 18650 lithium-ion battery that features a built-in USB Type-C charging port directly on the battery cell. You do not need a separate bulky charger; simply plug the included USB cable directly into the battery to recharge your scuba diving flashlight.
How should I maintain the O-rings on my BLUDIVE BD20 V2 waterproof dive torch?
After every dive, you must rinse your BLUDIVE BD20 V2 scuba diving flashlight in fresh water to remove salt crystals. Before your next dive trip, inspect the O-rings (the BD20 V2 includes 3 spare O-rings). If they look dry, apply a very light coating of silicone grease to maintain the 150-meter waterproof seal. Do not over-grease, as this can attract sand.
What does Reverse Polarity Protection mean for the BLUDIVE diving flashlight?
When you are gearing up on a rocking boat in low light, it's easy to accidentally insert a battery upside down. The BLUDIVE BD20 V2 features Reverse Polarity Protection, an electronic failsafe that prevents a short circuit and protects the waterproof dive light's internal circuitry if the 18650 or CR123A batteries are installed incorrectly.
How deep can the BLUDIVE BD20 V2 scuba diving flashlight go?
The BLUDIVE BD20 V2 is engineered from aircraft-grade high-strength aluminum and is professionally sealed to achieve an extreme water pressure resistance rating of 150 meters (492 feet). This makes it an incredibly durable waterproof dive flashlight for all levels of diving.
| Model | BLUDIVE BD20 V2 |
|---|---|
| Light Source | Luminus SFT25R |
| Max Output | 1800 lumens |
| Max Beam Distance | 641 meters |
| Max Intensity | 102,750 cd |
| Max Running Time | 4h (at Low mode with 18650 3400mAh battery) |
| Modes | High / Low / Strobe |
| Switch | Stainless Steel Side Switch |
| Compatible Battery | 1 * 18650 Lithium battery / CR123A * 2 |
| Charging Type | Change battery or battery USB-C charging |
| Water Resistance | IPX-8 (150 meters underwater) |
| Impact Resistance | 1.5 meters |
| Dimensions | 140(Length) * 37(Head) * 25(Tube) mm |
| Weight | 130g (Battery excluded) |
| Body Material | Aerospace 6061 Aluminum Alloy |
| Application | Scuba Diving, Underwater Exploration, Outdoor, Technical Diving |
| Note: The above data has been measured in accordance with international flashlight testing standards ANSI/NEMA FL1 using BLUDIVE 3.7V/ 3400mAh battery under laboratory conditions. |
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BLUDIVE BD20 V2.pdf | Download |
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