# Westcott FJ400 Strobe 400Ws with AC/DC Battery vs Neewer Vision4 300W Battery-Powered Studio Strobe: specs and price compared

A sourced, side-by-side comparison of the Westcott FJ400 Strobe 400Ws with AC/DC Battery (Westcott) and Neewer Vision4 300W Battery-Powered Studio Strobe (Neewer) among studio strobes.

## Side by side

| Spec | Westcott FJ400 Strobe 400Ws with AC/DC Battery | Neewer Vision4 300W Battery-Powered Studio Strobe |
| --- | --- | --- |
| US price | $349.45 | not published |
| Brand | Westcott | Neewer |
| Power output ws | 400 | 300 |
| Flash duration t01 | Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec | 1/1000 to 1/10000 sec |
| Recycle time s | 0.05-0.9 | 0.4-2.5 |
| Ttl hss support | TTL; HSS to 1/8000s; Rear Curtain Sync | Manual only — does not support TTL or HSS. Native sync speed capped at 1/200 sec; fires via Manual, Multi, or built-in 2.4G wireless remote modes. |
| Modeling lamp (W) | 20 | 13 |
| Color temperature k | 5500 | 5600 |
| Power source | Removable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power | Removable 10.8V/7800mAh lithium-ion battery (up to 1000 full-power flashes) |

## Key differences

- Power output ws: Westcott FJ400 Strobe 400Ws with AC/DC Battery 400 vs Neewer Vision4 300W Battery-Powered Studio Strobe 300
- Flash duration t01: Westcott FJ400 Strobe 400Ws with AC/DC Battery Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec vs Neewer Vision4 300W Battery-Powered Studio Strobe 1/1000 to 1/10000 sec
- Recycle time s: Westcott FJ400 Strobe 400Ws with AC/DC Battery 0.05-0.9 vs Neewer Vision4 300W Battery-Powered Studio Strobe 0.4-2.5
- Ttl hss support: Westcott FJ400 Strobe 400Ws with AC/DC Battery TTL; HSS to 1/8000s; Rear Curtain Sync vs Neewer Vision4 300W Battery-Powered Studio Strobe Manual only — does not support TTL or HSS. Native sync speed capped at 1/200 sec; fires via Manual, Multi, or built-in 2.4G wireless remote modes.
- Modeling lamp (W): Westcott FJ400 Strobe 400Ws with AC/DC Battery 20 vs Neewer Vision4 300W Battery-Powered Studio Strobe 13
- Color temperature k: Westcott FJ400 Strobe 400Ws with AC/DC Battery 5500 vs Neewer Vision4 300W Battery-Powered Studio Strobe 5600
- Power source: Westcott FJ400 Strobe 400Ws with AC/DC Battery Removable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power vs Neewer Vision4 300W Battery-Powered Studio Strobe Removable 10.8V/7800mAh lithium-ion battery (up to 1000 full-power flashes)

## Sources

- Westcott FJ400 Strobe 400Ws with AC/DC Battery: https://www.fjwestcott.com/products/fj400-strobe-400ws-with-ac-dc-battery (fjwestcott.com, verified 2026-08-09)
- Neewer Vision4 300W Battery-Powered Studio Strobe: https://www.neweggbusiness.com/product/product.aspx?item=9sivdykk9k0657 (neweggbusiness.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/studio-strobes/westcott-fj400-vs-neewer-vision4/
Cite: Per The Front Desk Review, Westcott FJ400 Strobe 400Ws with AC/DC Battery ($349.45) vs Neewer Vision4 300W Battery-Powered Studio Strobe (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/studio-strobes/westcott-fj400-vs-neewer-vision4/
License: CC BY 4.0.