SATEL-ONE

The SATEL ONE is the portable flash with built-in battery making it a wire-free, maximum power out reaches 600Ws, and it could produce 300 flashes with its fully charged battery. It is designed with touch screen and it has the ability to connect with other SATEL flashes set in the same sync channel. Built-in 2.4G receiver could be compatible with HSS trigger to achieve 1/8000s shutter speed.
A bonus feature is that there's an output USB port in the battery, so you could use it to charge your mobile phone or any electronic devices. 
 
Model: SATEL-ONE
GN: 68
Li-in Battery: 14.8V - 3000mAh
Recycling time : 0.1 - 4 sec.
Charging time : 6 hours
Operating power : Replaceable internal battery (14.8V)
Protection : Overheat Protection
Trigerring : Build-in 2.4G receiver (coud be used with external HSS trigger), flash-sync, sync cable, manual triggering
LED Modeling : LED 5W
Beeper : on/off
Color Temperature : 5600K +-200K
Dimension 29 x 11.5 x 19cm
Weight 2.2kg