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Pro-B4 1000 Air Battery Pack

The Pro-B4 is a state-of-the-art battery generator. In some regards it even outperforms the best studio generators out there. Will freeze motion at 1/25,000 second or fire up to 30 flashes per second.

Energy: 1000Ws
Energy Range: 11 f-stops (1-1000Ws)
Energy Distribution: Socket A 1000Ws and Socket B 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 2×250W)
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
Input Power Supply: Li-Ion Battery
Synchronization 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)
Miscellaneous
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.
Measurements
Dimensions: 31,5×18x25cm (incl. battery) 12.4×7.1×9.8 inch (incl. battery)
Weight: 9.8 kgs (incl. battery) 21.6lbs (incl. battery)