Streamlight PROTAC Compact Multi-Fuel Weapon-Mounted Tactical Light (SL-B9 Battery, 89025)

Check retailer availability.

Prices last checked August 20, 2026 across 3 retailers.

The Streamlight ProTac Compact Multi-Fuel is a highly versatile, mission-ready weapon light designed for modern tactical carbines, submachine guns, and short-barreled rifles. Delivering a maximum output of 850 lumens paired with a piercing 30,000 candela , this light punches well above its weight class—offering long-range hotspot throw while maintaining a significantly shortened footprint that saves valuable rail space. Equipped with Streamlight's innovative "Jack-Cap" tail cap , the light offers native dual-switch access, meaning you can operate the light via the integrated push-button or plug in a remote pressure switch depending on your preferred ergonomics. Multi-Fuel Architecture Output Performance The multi-fuel capability ensures your weapon light never goes dark. It can run on either Streamlight’s modern rechargeable lithium-ion cells or standard, shelf-stable emergency batteries: Streamlight SL-B9 Protected Li-ion Battery (Included): Optimizes the light's internal circuitry to deliver maximum output. High Mode: 850 Lumens | 30,000 Candela | 346m Throw | 0.5 Hours runtime Low Mode: 100 Lumens | 3,400 Candela | 117m Throw | 4.5 Hours runtime CR123A Lithium Battery (Alternative): Perfect for cold weather storage or long deployment bags where charging isn't an option. High Mode: 500 Lumens | 18,000 Candela | 268m Throw | 1.75 Hours runtime Low Mode: 100 Lumens | 3,400 Candela | 117m Throw | 6.5 Hours runtime Key Performance Features The Jack-Cap System: This unique tail cap design gives you the best of both worlds. It houses a rubberized clicky button for momentary or constant-on activation, while simultaneously hosting an integrated port to accept a remote pressure pad. TEN-TAP® Programmability: Streamlight’s proprietary interface allows the user to reprogram the light’s activation sequence to fit their specific mission profile. You can cycle between three distinct operating programs: High / Strobe (Factory Default) High Only (Highly favored by tactical operat

Streamlight PROTAC Compact Multi-Fuel Weapon-Mounted Tactical Light (SL-B9 Battery, 89025) price comparison: the lowest price is $159.11 at Bang Bang Airsoft, the highest is $159.99, and the median across 3 tracked listings is $159.95. Comparing retailers can save up to 1% ($0.88) versus the highest-priced listing.