Schillers Camera · Staff Training

Westcott FJ400 II.

400Ws

Power output

550+

Full-power flashes/charge

0.01–0.9s

Recycle time

30W

Bi-color modeling light

$599.90

Body only (sale)

01 · Pitch

20-second pitch

The FJ400 II is Westcott's popular 400Ws battery-powered monolight — the second-generation version of the FJ400 (some retailers still list it simply as "FJ400," so don't be thrown off if a customer calls it that). A well-known 2019 Fstoppers head-to-head against the Godox AD400 Pro called the original FJ400 "the best value strobe," citing battery life and Westcott's remote system — that reputation is worth knowing, but be upfront that the review was of the original FJ400, not this updated II version.

Who is the customer?

Serious enthusiasts and working pros needing real power for groups or bright sun Photographers directly comparing this against the Godox AD400 Pro Customers upgrading from the FJ250 who need more headroom Location shooters who need a battery-powered light rather than the AC-only FJ400 SE Buyers who've read the FJ400 II's reputation as a value pick and want it confirmed

02 · Specs

Five FJ400 II specs to memorize

400Ws powered by the same 74Wh/2500mAh Li-ion pack family as the FJ250, rated for 550+ full-power flashes — up from roughly 480–490 on the original 2019 FJ400.
Recycle times of 0.01–0.9 seconds at full power, with an OLED touchscreen for power and mode control.
Full TTL and HSS to 1/8000s, using the current FJ-X3 transmitter (older FJ-X2M triggers are cited as legacy-compatible on some kit listings).
30W LED modeling light (up from 20W on the original FJ400) — genuinely bright enough to help judge shadow falloff, not just a preview dot.
5.3 lb (2.4 kg) with battery. An older Fstoppers review of the original FJ400 noted a somewhat "hollow" feel, thinner plastic, and an occasionally misregistering control knob versus the Godox AD400 Pro — worth knowing, though it may not fully apply to this updated version.

03 · Signature feature

The feature that sells it: 400Ws with a genuine value reputation

A widely-read 2019 Fstoppers comparison against the Godox AD400 Pro named the FJ400 II the better value overall, citing longer battery life and Westcott's universal remote system. The current version keeps that power-and-battery formula while improving battery count (550+ vs. the original's ~480–490) and modeling light output (30W vs. 20W).

What to demo on the sales floor

Fire a few full-power flashes back to back and time the recycle. If a customer mentions the Godox AD400 Pro, acknowledge the Fstoppers comparison honestly rather than dismissing the competitor — it's a fair, well-known point of reference.

04 · Video

Video: full-power recycle and HSS outdoors

A demo video should show a full-power recycle timed on camera, then an HSS shot outdoors in bright sun at a wide aperture — the combination most customers at this tier are buying the light for.

Practical starting settings

For the demo unit: set HSS mode, shoot into bright window light or take the unit outside if possible, and narrate the recycle time out loud during a full-power burst.

05 · Discovery & demo

Ten discovery questions

Are you shooting groups, or mostly individual subjects?
How often do you need to overpower bright sun at wide apertures?
Are you comparing this directly against the Godox AD400 Pro?
Do you need battery power for location work, or would the AC-only FJ400 SE fit a studio-only setup?
What modifiers are you planning to use, and do you need enough power to punch through them?
Have you used the FJ250 or another Westcott light before?
Do you already own an FJ-X3 transmitter, or older FJ-X2M-compatible gear?
How much does battery life matter for your typical shoot length?
Would a second, cheaper light like the FJ400 SE make sense as a backup or rim light?
What's frustrating about your current 400Ws-class light, if you have one?

Five-minute sales-floor demo

Fire a full-power burst and time the recycle. Count out the sub-1-second recycle at full power.Recycle speed at full 400Ws is the most concrete, provable spec to demonstrate.
Shoot an HSS test shot in bright light. Take a wide-aperture shot in bright ambient light without overexposure.Confirms real-world outdoor capability, the light's core use case at this tier.
Show the 30W modeling light in a dim room. Dial it up and point out how much it helps preview shadow falloff.A genuine improvement over the original FJ400's 20W modeling light.
If relevant, acknowledge the Godox AD400 Pro comparison directly. Reference the well-known Fstoppers value comparison honestly.Builds trust by engaging with a competitor comparison the customer may already know about.
Mention the FJ400 SE as a cheaper AC-only sibling. Clarify it's not an upgrade, just a simplified, tethered version.Prevents confusion later if the customer sees the SE listed at a lower price.

06 · Objections

Common objections and answers

"I read that the FJ400 II beats the Godox AD400 Pro — is that still true?"

That comparison is from a well-known 2019 Fstoppers review of the original FJ400, which praised its battery life and remote system while noting the Godox had a slight edge in build feel. This current version has since improved battery count and modeling light output, but there's no published update to that specific comparison — be honest that the review predates this version.

"What's the difference between this and the FJ400 SE?"

The SE is a stripped-down, AC-only, manual-only sibling with no battery, no TTL, and no HSS — it's not a special or upgraded version, just a simplified, cheaper one for studio-only use.

"Is 400Ws overkill for what I shoot?"

If you're mostly doing single-subject portraits indoors, the FJ250 may be enough. 400Ws earns its keep with groups, larger modifiers, or overpowering strong sun.

"The original FJ400 had some build-quality complaints — does this version too?"

Those specific complaints (a somewhat hollow feel, thinner plastic, an occasionally misregistering control knob) came from a review of the original 2019 unit. We don't have independent reviews confirming whether they still apply to this current version — worth being upfront about that gap.

"Does it need the same trigger as my other Westcott lights?"

It uses the current FJ-X3 transmitter; older FJ-X2M triggers are cited as compatible on some kit listings, but confirm compatibility with your specific existing gear before buying.

07 · Compare

Competitive positioning

Light	Power	Battery	Price	Where it loses to the FJ400 II
Godox AD400 Pro	400Ws	390 flashes/charge	~$519	Fstoppers' head-to-head named the FJ400 II the better value overall — longer battery life (550+ vs. 390 flashes) and Westcott's remote system, though the Godox has a slight edge in build feel and mounting options.
FJ250	250Ws	850+ flashes/charge	$399.90	Lighter and more flashes per charge, but well short of 400Ws for demanding outdoor work.
FJ400 SE	400Ws (same)	AC-only, no battery	$214.90	Same raw power for much less money, but no battery, no TTL/HSS — tethered studio use only.
FJ800	800Ws	250+ flashes/charge	$899.90	Double the power for large-group or high-output outdoor work, at roughly 50% more cost.

08 · Close

Close the conversation

Closing question: "Given the groups and lighting conditions you described, does 400Ws with battery power and full TTL/HSS sound like the right fit, or would the AC-only SE actually cover a studio-only setup for less money?"

Engage honestly with the Godox comparison if the customer brings it up — the value reputation is real and well-documented, and acknowledging it builds more trust than dodging it.