Product number: 100399  Also available to buy

Get a spare battery and save yourself the trouble of having to worry about running out of power. The Li-Ion Battery MkII for B1 and B1X provides up to 325 flashes at full power and tens of thousands at lower power.

Our Li-ion batteries are UN-certified so you can take them on a plane, no matter what your destination. All the documentation you need can be found under the download tab.