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 STALE · 2026-08-09 ✓ corroborated verify in ledger
The Westcott FJ400 Strobe 400Ws with AC/DC Battery is listed at $349.45 on fjwestcott.com as of 2026-08-31, #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 31, 2026 · figures linked to their source in the table below
Cheapest studio strobes: Godox SK400II 400Ws Studio Flash Monolight — $329.77
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 of 400 Ws 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. |
|---|---|
| Brand | Westcott |
| Released | — |
| Power output (Ws) | 400 |
| Flash duration (t0.1) | 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 |
| Color temperature (K) | 5500 |
| Power source | Removable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power |
Source: fjwestcott.com (read 2026-08-09) STALE · 2026-08-09 · corroborated by bhphotovideo.com (read 2026-08-09).
How we checked
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
| Product | Price | Power output (Ws) | Flash duration (t0.1) | Recycle time (s) | Ttl hss support | Modeling lamp (W) |
|---|---|---|---|---|---|---|
| Westcott FJ400 Strobe 400Ws with AC/DC Battery this | $349.45 | 400 | Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec | 0.05-0.9 | TTL; HSS to 1/8000s; Rear Curtain Sync | 20 |
| Godox SK400II 400Ws Studio Flash Monolight | $329.77 | 400 | documented only as an approximate 1/800-1/2000 sec range across retailer listings; not explicitly labeled t0.1 vs t0.5 in any source checked | 0.1-1.5 | Manual 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 | $529.95 | 640 | 1/568 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 Mode | 0-1.7 | Manual 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 (t0.1) 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, 2026-08-31. 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.Similar studio strobes
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- Godox SK400II 400Ws Studio Flash Monolight Godox SK400II 400Ws Studio Flash Monolight
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