# Westcott FJ400 Strobe 400Ws with AC/DC Battery vs Elinchrom ELB 500 TTL Power Pack & Head: specs and price compared

A sourced, side-by-side comparison of the Westcott FJ400 Strobe 400Ws with AC/DC Battery (Westcott) and Elinchrom ELB 500 TTL Power Pack & Head (Elinchrom) among studio strobes. Westcott FJ400 Strobe 400Ws with AC/DC Battery is the cheaper of the two at $349.45.

## Side by side

| Spec | Westcott FJ400 Strobe 400Ws with AC/DC Battery | Elinchrom ELB 500 TTL Power Pack & Head |
| --- | --- | --- |
| US price | $349.45 | $1249.95 |
| Brand | Westcott | Elinchrom |
| Power output ws | 400 | 500 |
| Flash duration t01 | Normal mode 1/280-1/3000 sec; Freeze mode 1/280-1/7000 sec | as fast as 1/20000 sec in Action mode; 1/3400 sec best case in Normal mode |
| Recycle time s | 0.05-0.9 | 0.05-2 |
| Ttl hss support | TTL; HSS to 1/8000s; Rear Curtain Sync | TTL (Canon, Nikon, Sony via Elinchrom EL-Skyport); HSS to 1/8000s |
| Modeling lamp (W) | 20 | — |
| Color temperature k | 5500 | — |
| Power source | Removable 14.8V/4400mAh lithium-polymer battery (480+ full-power flashes) or AC power | Removable 14.4V/5Ah (72Wh) lithium-ion battery (up to 400 full-power flashes, supports charging while in use); AC input 100-240V, 50/60Hz |

## Key differences

- Power output ws: Westcott FJ400 Strobe 400Ws with AC/DC Battery 400 vs Elinchrom ELB 500 TTL Power Pack & Head 500
- 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 Elinchrom ELB 500 TTL Power Pack & Head as fast as 1/20000 sec in Action mode; 1/3400 sec best case in Normal mode
- Recycle time s: Westcott FJ400 Strobe 400Ws with AC/DC Battery 0.05-0.9 vs Elinchrom ELB 500 TTL Power Pack & Head 0.05-2
- Ttl hss support: Westcott FJ400 Strobe 400Ws with AC/DC Battery TTL; HSS to 1/8000s; Rear Curtain Sync vs Elinchrom ELB 500 TTL Power Pack & Head TTL (Canon, Nikon, Sony via Elinchrom EL-Skyport); HSS to 1/8000s
- 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 Elinchrom ELB 500 TTL Power Pack & Head Removable 14.4V/5Ah (72Wh) lithium-ion battery (up to 400 full-power flashes, supports charging while in use); AC input 100-240V, 50/60Hz

## 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)
- Elinchrom ELB 500 TTL Power Pack & Head: https://us.elinchrom.com/elinchrom-elb-500-ttl-off-camera-flash-dual-to-go-kit/ (us.elinchrom.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/studio-strobes/westcott-fj400-vs-elinchrom-elb-500-ttl/
Cite: Per The Front Desk Review, Westcott FJ400 Strobe 400Ws with AC/DC Battery ($349.45) vs Elinchrom ELB 500 TTL Power Pack & Head ($1249.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/studio-strobes/westcott-fj400-vs-elinchrom-elb-500-ttl/
License: CC BY 4.0.