Westcott FJ100 100Ws Touchscreen Off-Camera Strobe with FJ Mini AC/DC Battery

Westcott 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