Westcott · Updated August 2026

Westcott FJ400 Strobe 400Ws with AC/DC Battery: price & specs

Westcott FJ400 Strobe 400Ws with AC/DC Battery. Every price and spec below is linked to its source and dated — no guesses.

Source: fjwestcott.com verified ✓ corroborated verify in ledger

BronzeDeskmark14/100#8 of 12 in class

The Westcott FJ400 Strobe 400Ws with AC/DC Battery is listed at $349.45 on fjwestcott.com as of 2026-08-09, #2 cheapest of 8 studio strobes (median $749); other retailers may be lower. It earns a Bronze Deskmark — 14/100 pay-blind standing, #8 of 12 in class.

Verified Aug 9, 2026 · figures linked to their source in the table below

Cheapest studio strobes: Godox SK400II 400Ws Studio Flash Monolight — $329.77

See Westcott FJ400 Strobe 400Ws with AC/DC Battery on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
Westcott FJ400 Strobe 400Ws with AC/DC Battery — Westcott
Image: www.fjwestcott.com (© Westcott)

Is the Westcott FJ400 Strobe 400Ws with AC/DC Battery a good buy?

At $349, the Westcott FJ400 Strobe 400Ws with AC/DC Battery is #2 cheapest of the 8 studio strobes we track, where the median is $749. On the spec sheet, its power output ws of 400 is below the median of the 12.

Specifications

Price (US)$349.45 Current sale price on fjwestcott.com (list/MSRP $599.90). This is the original FJ400 (2019), distinct from the newer FJ400 II touchscreen model.
BrandWestcott
Released
Power output ws400
Flash duration t01Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec
Recycle time s0.05-0.9
Ttl hss supportTTL; HSS to 1/8000s; Rear Curtain Sync
Modeling lamp (W)20
Color temperature k5500
Power sourceRemovable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power

Source: fjwestcott.com (verified 2026-08-09) · corroborated by bhphotovideo.com. Fetched directly from Westcott's own product page for the original FJ400. Confirms 400Ws power, 20W 5600K±200K LED modeling lamp, 5500K±150K flash color temperature across the power range, 0.05-0.9s recycle time, HSS to 1/8000s, TTL and Rear Curtain Sync support, and the 65Wh/4400mAh removable AC/DC lithium-polymer battery rated for 480+ full-power flashes. B&H's listing for the same SKU (4700) corroborates the AC/DC dual-power design and battery figures.

Is the Westcott FJ400 Strobe 400Ws with AC/DC Battery worth it vs cheaper studio strobes?

Westcott FJ400 Strobe 400Ws with AC/DC Battery against its closest cheaper and pricier studio strobes on the specs that matter — every value sourced. See all 8 ranked

ProductPricePower output wsFlash duration t01Recycle time sTtl hss supportModeling lamp (W)
Westcott FJ400 Strobe 400Ws with AC/DC Battery this$349.45400Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec0.05-0.9TTL; HSS to 1/8000s; Rear Curtain Sync20
Godox SK400II 400Ws Studio Flash Monolight$329.77400documented only as an approximate 1/800-1/2000 sec range across retailer listings; not explicitly labeled t0.1 vs t0.5 in any fetched source0.1-1.5Manual only — no TTL, no genuine camera-side HSS (Bowens-mount studio monolight synced via Godox 2.4G X-series wireless trigger; some retailer copy advertises a nominal '1/8000s' figure that appears to describe trigger sync ceiling rather than verified true HSS)10
Paul C. Buff Einstein E640 Flash Unit$529.956401/568 sec at full power (Constant Color mode, t0.5 1/1600 sec); as fast as ~1/2000 sec (t0.1) at half power in Action Mode0-1.7Manual only — no TTL, no camera-side HSS. Fires via CyberSync radio triggers or optical slave; Action Mode shortens flash duration for motion-freezing rather than providing sync-pulse HSS.

Frequently asked questions

How much does the Westcott FJ400 Strobe 400Ws with AC/DC Battery cost?

The Westcott FJ400 Strobe 400Ws with AC/DC Battery has a US price of $349.45 (Current sale price on fjwestcott.com (list/MSRP $599.90). This is the original FJ400 (2019), distinct from the newer FJ400 II touchscreen model.), as of 2026-08-09.

How does the Westcott FJ400 Strobe 400Ws with AC/DC Battery compare on price?

At $349, the Westcott FJ400 Strobe 400Ws with AC/DC Battery is #2 cheapest of the 8 studio strobes we track, where the median is $749.

What are the Westcott FJ400 Strobe 400Ws with AC/DC Battery's key specs?

Westcott FJ400 Strobe 400Ws with AC/DC Battery (Westcott): power output ws 400, flash duration t01 Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec, recycle time s 0.05-0.9, ttl hss support TTL; HSS to 1/8000s; Rear Curtain Sync, modeling lamp w 20. Full sourced spec sheet verified 2026-08-09.

Price of record: $349.45 at fjwestcott.com, 2026-08-09. Other retailers may be lower — check the current price:

See Westcott FJ400 Strobe 400Ws with AC/DC Battery on Amazon As an Amazon Associate we earn from qualifying purchases.

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