Maximum endurance for the cordless professional.
Increased Capacity: Provides up to 325 full-power flashes on a single charge—a 50% increase over the original B1 battery—allowing you to stay in the creative flow longer.
Consistent Power Delivery: Unlike traditional batteries that lose recycle speed as they drain, the MKII maintains a rapid 1.9s recycle time (at full 500Ws) until the very last bit of juice is used.
Integrated Fuel Gauge: Features a 4-level LED indicator on the battery itself, allowing you to check the charge level instantly without having to click the battery into a flash head.
Zero Memory Effect: Based on high-quality Lithium-Ion cells, this battery can be charged at any time (even if only partially empty) without affecting its long-term capacity.
Air-Travel Approved: Meets UN safety standards for lithium-ion batteries, making it legal for air travel when carried in your carry-on luggage.
Technical Specifications:
Compatibility: Profoto B1 500 AirTTL and B1X 500 AirTTL.
Full Power Flashes: ~325 pops.
Charge Time: Approx. 2.5 hours with standard charger / 1.5 hours with Fast Charger.
Weight: 550g.
Voltage: 14.4V / 3.0Ah.
