The Profoto B1X 500 AirTTL 1-Light To-Go Kit is based around an enhanced version of the B1 500 AirTTL monolight strobe with a higher-capacity battery. Key features include:
500Ws, 9-stop power range
Improved lithium-ion battery
Up to 325 full-power flashes per charge
Compatible with Air Remote TTL Transceiver
|Built-In Secondary Flash||
Body only: 5.12"; With stand adapter: 6.69"
130 W equivalent