JTL Mobilight 401 400WS with Ni-H Battery Pack, Quick Battery Recharging, Low Battery Alarm

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About JTL Mobilight 401 400WS

The JTL Mobilight 401 is designed for on-location and studio photographers. It can draw its power from Ni-H Battery or an electric outlet, so it is not bound by the physical limits of a wire or cord.

JTL Mobilight 401 400WS Features

  • AC/DC (Lithium battery and Ni-H battery) power supply
  • Continuous output power setting adjustment
  • Replaceable optidress flash tube
  • +/-0.1EV output power regulation
  • +/-0.1F stabilizer for output precision
  • Built-in 360°photo slave
  • Built-in thermostat to avoid overheating
  • Standard recharge audio-signal
  • Car lighter adaptor
  • Low battery alarm
  • Quick battery recharging
  • Patented sliding-bracket
  • Weight balanceable stand fixture and much more

JTL Mobilight 401 400WS Specifications

Color Temperature: Flash
Flash Tube
Detachable, clear
Recycling Time
AC: 0.5-3.5 Sec.
DC: 0.5-9 Sec.
Modeling Lamp
AC: 150W, JDD E-14
DC: 10W, E-14
Output Variation
1/8 to Full continuously
Beam Width
55 Degree Angle
Slave Sensitivity
45' /15M
Synch Cord Voltage
250V 5A
400 W/S (joules)
GN (ASA 100)
180 Ft/ 54M
Power Supply
AC: 100-130V, 60Hz
DC: JTL Nickel Metal Hydride Battery
JTL Lithium Battery
16" x 12" x 10" / 40.64 x 30.48 x 25.4cm
11lbs / 4.99kg

JTL Mobilight 401 400WS Reviews

Reviewed by 2 customers


Cheap, but not perfect.


from San Juan, Puerto Rico  -  Pro Photographer

I use 2 of these, and i can tell they're full of defects: One of the power dials failed on the first month of use. When AC is enabled sometimes the equipment will electricaly shock if touched. The incline system looks like will not hold on for much longer since the plastic flattens more on each use. The flash detection sensor its not that good. I had to put a tape on it so it can work a bit better. One of the flash heads overheated and burn while i was shooting. I think the built in fan stopped working for no reason. And,,, its ugly. But hey, its cheap, can't expect perfection. Thats why i'm buying another.

(1 of 1 customers found this review helpful)


Well done, JTL


from New York, NY  -  Semi-pro Photographer

I like the design of the flash head for users to replace by themselve whenever neccessary. The power of 400WS is more than enough for me both AC and DC. The battery really holds charge and never miss a single firing. The battery body is so small and light in weight for carrying. Well done, JTL.


Questions & Answers Powered by TurnTo®

Questions about this item:

Tara P  How fast on average is the recycle time between fires on this flash?
Helen O  Recycle time for this unit will vary depending on output setting and power source. When using AC mains the recycle time ranges from .5sec to 3.5sec. On DC battery power recycle time ranges from .5sec to 9sec when using the included Ni-H battery pack and from 1sec to 6sec when using a Lithium battery pack.
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