Profoto Pro-B4 1000 Air Kit incl. 2 batteries

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The Pro-B4 is Profoto’s state-of-the-art battery generator. In some regards, it even outperforms the best studio generators out there, promising to freeze motion at 1/25,000 second or fire up to 30 flashes per second. Its Li-Ion battery recharges to full power in 45 minutes and can be charged while in use.

Profoto Pro-B4 1000 Air Kit incl. 2 batteries: Key Features

  • Unrivalled flash durations on all power settings
  • Selectable FREEZE mode available for extreme splash shots
  • The world’s fastest recycling battery generator, allowing you to create never-before-seen sequence shots on location
  • Next generation Li-Ion (LiFe) battery recharges to full power in only 45 minutes
  • Battery can be charged while in use, making the generator equally useful in the studio
  • Two individual outputs and 11 f-stop power range with control in 0.1 f-stop steps all provide unbeaten precision and versatility on location
  • Wireless sync and remote control with the Air system

Technical specification

  • Energy: 1000Ws
  • Energy Range: 11 f-stops (1-1000Ws)
  • Energy Distribution: Socket A 1-1000Ws Socket B 1-660Ws
  • Asymmetry Range: 7.4 f-stops
  • Battery Capacity LiFe: 50,000-220 flashes
  • Recycling Times LiFe: 0.03-0.99s
  • Flash Durations t0.5: 1/25,000-1/2,200s
  • Modeling Lamps Total W/Pack (max.): 500W
  • Modeling Lamp Total W/Head (max.): 500W (or 2x 250W)
  • Modeling Light Modes: Off, Cont, Timer 10-120s, MAX, PROP, MAX PROP
  • Energy Control Increments: 1/10 and full f-stops
  • Energy/Voltage Stability: +/- 0.5% (Voltage)
  • Guide Number @ 2 meters/ISO 100 with Magnum Reflector: 64.8
  • Specified Data Conditions: ProHead Plus

Synchronisation and Control

  • Sync Socket(s): 1
  • Lamp Head socket(s): 2
  • Wire Sync Voltage: Compliant to ISO 10330 standard
  • Photocell/IR-slave and Switch: Yes
  • USB Interface: Yes
  • Radio Sync: Yes, integrated Profoto Air (8 channels, 6 groups)
  • Radio Remote: Yes, integrated Profoto Air (8 channels, 6 groups)
  • Radio Range: 300m
  • Computer Control: Yes through Profoto Studio 3
  • Aux Functions: Mode control (Normal and Freeze mode)


  • Dimensions: 31.5 x 18 x 25cm (incl. battery) 12.4x7.1x9.8 inch (incl. battery)
  • Weight: 9.8 Kgs (incl. battery) 21.6lbs (incl. battery)


  • Digital Display: Yes
  • Fan Cooled: Yes
  • Automatic Multi-Voltage: Yes, 100-240V/50-60Hz charger
  • Ready Signals: Yes, ready lamp and switchable beep or buzz sound
  • Auto Dumping: Yes
  • Recharge Speed Control: No (always fast)
  • Continuous Model Light: Unlimited up to 100W if charged with quick charger 35 minutes with 100W from battery
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Product Specification

For Use With Profoto Pro Heads
Included Accessories Quick Charger, Battery cassette
Size (mm) 31.5 x 18 x 25
Type Studio Generator
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Product Code: 1622029-wex Manufacturers Part Number: 901089 Got a question? Get it answered...