The BK20 Tactical Flashlight combines 5100-lumen max output with 450m throw distance and Xenon-silicon ceramic attack head. Featuring TYPE-C charge/discharge, IPX8 waterproofing, and one-touch lockout, it's designed for defense, outdoor survival, and emergency use.
Key Features
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CREE XHP70 LED (50,000-hour lifespan)
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21700 Li-ion battery (5000mAh capacity)
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Compact size: 150mm(L) × 41mm(Head) × 29.2mm(Dia)
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Tactical-ready: 235g with anti-roll design
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Triple-switch tailcap (A: Power, B: Mode, C: Lock)
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Battery indicator (4-level LED display)
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Bidirectional TYPE-C (2A charge/discharge)
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Aircraft aluminum with hard-anodized finish
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Smart thermal control (auto-dims at 65°C)
Technical Parameters (ANSI/NEMA FL1)
Mode | Brightness | Runtime | Max Throw |
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Turbo | 5100 lm | 2h | 450m |
High | 2250 lm | 3.5h | - |
Medium | 400 lm | 8h | - |
Low | 100 lm | 30h | - |
Eco | 5 lm | 240h | - |
Strobe | 3000 lm | - | - |
SOS | 2000 lm | - | - |
Durability:
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Impact-resistant: 1.5m drop-proof
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Waterproof: IPX8 (submersible 2m/30min)
*Note: Lab tested with 5000mAh 21700 cell. Real-world results may vary.*
User Manual
Basic Operation
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Install battery: Insert 21700 cell (positive toward head) → Remove insulator → Tighten tailcap
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Power on/off: Press A (tactical switch)
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Momentary on: Lightly press A (memory mode)
Mode System
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Press A to power on → Hold C 3s to cycle modes:
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Duty Mode (Eco→Low→Med→High→Turbo)
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Daily Mode (Low→High)
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Tactical Mode (Turbo→Strobe)
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Mode memory: Auto-saves last used brightness
Special Functions
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Strobe:
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Off: Press B for instant strobe (release to cancel)
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On: Hold B 3s to lock strobe
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SOS: Double-click B when on
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Lockout: Hold C 3s when off (flashes 2x to confirm)
Battery Management
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Charge: TYPE-C input (2A max, no C-to-C)
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Charging: Pulsing red → Solid green (full)
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Discharge: USB output (2A max for devices)
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Power indicator:
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≥91%: Solid green
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41-90%: Green blink
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11-40%: Solid red
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≤10%: Red blink (auto-off at 2.8V)
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⚠️ Critical Warnings
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NEVER look directly at emitter (5100 lm may cause eye damage)
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Keep away from children – surface reaches 60°C+ in Turbo mode
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Avoid head-down placement when on (heat trap hazard)
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Not for saltwater use – corrosive damage risk
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For transport: Lock out + loosen tailcap
TOWILD disclaims liability for misuse per ANSI/PLATO FL1 standards.