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Rent NowWestcott FJ100 100Ws Touchscreen Off-Camera Strobe with FJ Mini AC/DC Battery
Ultra-Compact Wireless Strobe – 100Ws Output, 700+ Full-Power Flashes, TTL/HSS & Full Touchscreen Interface
The Westcott FJ100 is an ultra-compact, 100Ws off-camera strobe designed for wedding, portrait, and high-volume event photographers. Engineered to the physical size of a soda can, the FJ100 is the most portable fixture in Westcott’s FJ series. Powered by the included FJ Mini 3200mAh AC/DC lithium-ion battery, it delivers an industry-leading 700+ full-power flashes per charge with fast recycle times ranging from 0.01 to 1.6 seconds. The unit features continuous power delivery over USB-C and shares cross-battery compatibility with the FJ100 Speedlight.
Built into Westcott’s 2.4 GHz wireless ecosystem, the FJ100 supports 31 channels, 16 groups, and wireless trigger range up to 328 feet, complemented by color-coded LED indicators on the flash body for easy group management. The strobe incorporates an automatic and manual 24-200mm zoom head, TTL auto-exposure, High-Speed Sync (HSS) up to 1/8000s, freeze flash durations down to 1/40,400s (t0.5), and burst speeds up to 60 fps. Onboard control is managed via a vivid LCD touchscreen, while light modification is supported through native Twist-Lock modifiers, 8mm umbrella mounts, or optional Bowens adapters.
This strobe package includes a removable tilt bracket with a 5/8″ receiver, an FJ Mini AC/DC battery, a USB-C charging cable, and a protective travel case.
Key Features & Performance Highlights
100Ws Compact Soda-Can Design: Ultra-portable form factor weighing just 1.57 lb, delivering a 9-stop power range from 0.78 to 100Ws.
FJ Mini AC/DC Battery (700+ Flashes): Removable 3200mAh battery recharges in 2.3 hours via USB-C and supports continuous pass-through power.
2.4 GHz Wireless Ecosystem: Integrates seamlessly with FJ triggers and the Westcott StudioLink smartphone app across 16 groups and 31 channels.
Fast Recycling & High-Speed Performance: 0.01-1.6s recycle times, up to 60 fps continuous burst, 1/8000s HSS, and 1/40,400s freeze durations.
Touchscreen & Color-Coded LEDs: Color LCD touchscreen interface paired with visual LED group indicators for rapid multi-light identification.
Motorized 24-200mm Zoom & Modeling Lamp: Auto/manual zoom head matches camera focal length alongside a 2W daylight-balanced LED modeling light.
Technical Specifications
Product Type: Off-Camera Monolight Strobe
Maximum Power: 100 Ws
Power Control: 9 Stops (0.78 Ws to 100 Ws in 0.1-Stop Increments)
Flash Modes: TTL, Manual, Stroboscopic (Multi), Creative Mask Mode
Sync Modes: High-Speed Sync (Up to 1/8000s), Freeze, Front Curtain, Rear Curtain
Flash Duration: 1/260 to 1/40,400 Second (t0.5)
Recycle Time: 0.01 to 1.6 Seconds
Color Temperature: 6000K (±200K) Flash | 5500K (±200K) LED Modeling Light
Zoom Coverage: 24 to 200 mm (Auto and Manual Adjustment)
Wireless Radio Protocol: 2.4 GHz FJ Wireless System (Up to 328′ / 100 m Range)
Power Source: Removable 7.4V / 3200mAh (23.38Wh) Li-Ion Battery or USB-C Pass-Through
Flashes Per Charge: 700+ Full-Power Flashes
Physical Mounts: Native Twist-Lock Ring, 5/8″ Stand Receiver, 8mm Umbrella Shaft
Dimensions: 6.2 x 5.0 x 3.1 inches / 157.5 x 127.0 x 78.7 mm
Weight: 1.57 lb / 712 g
