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

**Price (US):** $349.45 at fjwestcott.com (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. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 8 studio strobes we track it is #2 cheapest of 8; category median $749.
**Brand:** Westcott
**Deskmark:** Bronze Deskmark — pay-blind category standing 14/100, #8 of 12 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $349.45 |
| Brand | 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 |
| Color temperature k | 5500 |
| Power source | Removable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power |

## Where it stands

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.

## 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.

Source: https://www.fjwestcott.com/products/fj400-strobe-400ws-with-ac-dc-battery (fjwestcott.com, accessed 2026-08-09)
Corroboration: https://www.bhphotovideo.com/c/product/1504932-REG/westcott_4700_fj400_400ws_strobe_with.html (accessed 2026-08-09)
Canonical: https://frontdeskreview.com/product/studio-strobes/westcott-fj400/
Cite: Per The Front Desk Review, the Westcott FJ400 Strobe 400Ws with AC/DC Battery price of record was $349.45 as of 2026-08-09 — https://frontdeskreview.com/product/studio-strobes/westcott-fj400/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl