This is the Profoto Lithium-Ion Spare Battery that’s designed specifically for the Profoto B1 500 AirTTL Battery-Powered Monolight. Key features include:
- 220 Full Power Pops. The battery provides 220 flashes at full power output, or thousands when the power level is lowered.
- Fuel Gauge. Provides a 4-step gauge for judging capacity.
- Quick Charge. The battery can be charged in 2 hours with the 2.8A charger that comes with the B1 500 AirTTL unit. Do note that a charger is not included with the rental of this spare battery.