The Streamlight ProTac 2.0 is a high-output rechargeable handheld tactical flashlight for duty and professional use. It delivers a powerful 2000 lumens and 17,300 candela (262 m beam) with balanced throw and spill, on the included SL-B50 rechargeable battery pack.
USB-C charging works inside or outside the light, TEN-TAP programmable operation lets you tailor the modes, and the tactical tail-cap switch gives momentary and constant-on control. Type II MIL-spec anodised aluminium, IP64-rated.
How It Compares
Browse all handheld flashlights and tactical lighting; for weapon-mounted options see weapon lights and our lighting guide.
Ideal For
- Duty, law-enforcement and security use
- Outdoor and field environments
- Everyday carry with high output
Key Features
- 2000 lumens / 17,300 candela; 262 m beam
- SL-B50 USB-C rechargeable battery (included)
- TEN-TAP programmable operation; 3 output levels
- Tactical tail-cap switch (momentary / constant)
- Type II MIL-spec anodised aluminium, IP64
Technical Specifications
| Output |
2000 / 570 / 100 lumens |
| Peak Beam Intensity |
17,300 candela |
| Beam Distance |
262 m |
| Runtime |
2.5 h high / 4.5 h med / 25 h low |
| Battery |
SL-B50 USB-C rechargeable |
| Length / Weight |
6.10 in / 8.25 oz |
| Waterproof |
IP64 |
| Warranty |
Streamlight Limited Lifetime |
What's Included
- Streamlight ProTac 2.0 tactical flashlight
- SL-B50 rechargeable battery pack, USB-C charging cord, holster
UK Delivery & Support
UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Streamlight's limited lifetime warranty.
Frequently Asked Questions
How is it charged?
Via USB-C on the SL-B50 pack — charge it inside or outside the light.
What is TEN-TAP?
Streamlight's programmable interface that lets you select among preset output/mode programs.
How bright and far?
2000 lumens and 17,300 candela for a 262 m beam.