The Profoto Li-Ion battery for B10 is an extra battery for the Profoto B10 AirTTL Off-Camera Flash. It lets you shoot for longer with confidence. The battery has capacity for over 400 full power flashes. It clicks on or off the Profoto B10 in seconds and can be recharged quickly with the Profoto Battery Charger 3A.Plenty of Extra RuntimeThe last thing you need when shooting on location is to run out of battery. This battery is created specifically for the Profoto B10 and gives you plenty of extra runtime. A fully charged battery will give you over 400 extra full power flashes and up to 75 minutes with maximum continuous light. The battery reaches a full charge in less than 1.5 hours with the Profoto Battery Charger 3.0A.Easy to UseThe charge level indicator on the battery makes it easy to check the charge level on spare batteries. The battery clicks on or off the Profoto B10 in seconds and can be recharged quickly with the Profoto Battery Charger 3A.And Profoto’s Li-Ion batteries are UN-certified, so you can take them on a plane, no matter your destination. All the documentation you need can be found at Profoto’s website.