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Geekoto GT400 400Ws battery-powered monolight flash side view with Bowen attachment

Geekoto GT400 waterproof carrying case open

Geekoto GT400 waterproof carrying case side view

Geekoto GT400 monolight with Bowens front adapter

Geekoto GT400 battery-powered strobe for location photography

Geekoto GT400 rear controls and wireless receiver

Geekoto GT400 400Ws battery-powered monolight flash front view

High-Power Battery Monolight for Location Flash

The Geekoto GT400 is a 400Ws battery-powered monolight built for photographers who need stronger portable strobe output for portraits, events, commercial work, and location lighting.

Built-In Wireless Receiver and C1-PRO Control

The GT400 includes an internal wireless receiver and supports TTL and HSS control with the Geekoto C1-PRO transmitter only.

Modifier-Ready with Bowens Adapter

The included Bowens front accessory adapter supports Bowens-compatible modifiers for portraits and location lighting.

Verified GT400 Comparison Summary

Geekoto’s verified comparison sheet lists:

GT400: 400Ws, GN63, TTL and HSS with the C1-PRO transmitter only, 0.1–2.5-second recycling, 1/128-to-full power, 16 channels, four groups, 300-foot range, 350 full-power flashes, and a 14.8V/3200mAh battery.
Godox AD400 Pro: 400Ws, GN72 with its exclusive mount attached, TTL and HSS, 0.1–1-second recycling, 1/256-to-full power, five groups, 300-foot range, 380 full-power flashes, and a 21.6V/2600mAh battery.
Profoto B10X Plus: 500Ws, GN72.5, TTL and HSS, 0.05–2.2-second recycling, 1/512-to-full power, 330-foot range, 200 full-power flashes, and a 3000mAh lithium-ion battery.

GT400 400Ws Battery-Powered Monolight Flash

Geekoto Technology

Regular price: $ 389.99

Quantity

The Geekoto GT400 is a 400Ws battery-powered monolight flash for photographers who need stronger portable strobe power, a 10W LED modeling lamp, Bowens accessory compatibility, and C1-PRO transmitter control.

High-Power Battery Monolight for Location Flash

The Geekoto GT400 is a 400Ws battery-powered monolight built for photographers who need stronger portable strobe output for portraits, events, commercial work, and location lighting.

Built-In Wireless Receiver and C1-PRO Control

The GT400 includes an internal wireless receiver and supports TTL and HSS control with the Geekoto C1-PRO transmitter only.

Modifier-Ready with Bowens Adapter

The included Bowens front accessory adapter supports Bowens-compatible modifiers for portraits and location lighting.

Verified GT400 Comparison Summary

Geekoto’s verified comparison sheet lists:

GT400: 400Ws, GN63, TTL and HSS with the C1-PRO transmitter only, 0.1–2.5-second recycling, 1/128-to-full power, 16 channels, four groups, 300-foot range, 350 full-power flashes, and a 14.8V/3200mAh battery.
Godox AD400 Pro: 400Ws, GN72 with its exclusive mount attached, TTL and HSS, 0.1–1-second recycling, 1/256-to-full power, five groups, 300-foot range, 380 full-power flashes, and a 21.6V/2600mAh battery.
Profoto B10X Plus: 500Ws, GN72.5, TTL and HSS, 0.05–2.2-second recycling, 1/512-to-full power, 330-foot range, 200 full-power flashes, and a 3000mAh lithium-ion battery.

Key features:
- 400Ws monolight flash output
- Battery-powered design
- Built-in wireless receiver
- Only compatible with the Geekoto C1-PRO transmitter
- 10W LED modeling lamp
- S1/S2 optical trigger
- Bowens front accessory adapter included
- Waterproof carrying case included
- Up to 350 full-power flashes per charge
- Flash duration from 1/220s to 1/10,000s
- Multi Flash up to 40 sequential flashes
- TTL metering

Technical Specifications:
-Model GT400
-Product Type Battery-Powered Monolight Flash
-Flash Power 400Ws
-Power Control 7-stop range
-TTL Metering Yes
-Recycle Time 0.1s-2.5s
-Full-Power Flashes Up to 350 per charge
-Wireless Control Built-in wireless receiver
-Compatible Transmitter Geekoto C1-PRO only
-Optical Trigger S1/S2
-Modeling Light 10W LED built-in
-Flash Duration 1/220s-1/10,000s
-Multi Flash Up to 40 sequential flashes
-Front Mount Bowens front accessory adapter included
-Power Source Removable LE-27 lithium battery; optional external DC power

What's Included
- 1 x Geekoto GT400 400Ws monolight
- 1 x Bowens front accessory adapter
- 1 x Waterproof carrying case
- Charger/power cord, protective cap, AC power cord
- C1-PRO transmitter sold separately unless bundled

FAQ
Q: Which transmitter works with the GT400?
A: The GT400 is only compatible with the Geekoto C1-PRO transmitter.
Q: Does the GT400 support TTL?
A: Yes. TTL is supported with the Geekoto C1-PRO transmitter.
Q: Does it include a Bowens adapter?
A: Yes.
Q: How many full-power flashes does it provide?
A: It provides up to 350 full-power flashes from a fully charged battery.
Q: Is the GT400 good for portraits?
A: Yes. Its 400Ws battery-powered output is suitable for portraits, commercial work, events, and location lighting.
Q: What is this compatible with?
A: It supports the Geekoto C1-PRO transmitter and compatible studio modifiers. Use approved batteries, chargers, stands, and sandbags.