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Profoto Li-Ion Battery MkII for B1 & B1X AirTTL Flash

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Profoto Li-Ion Battery MkII for B1 & B1X AirTTL Flash
Brand: Profoto
Product Code: 100399
R 7,495.00
Awaiting Stock
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Power In All The Right Places

Lithium-Ion Battery for B1 and B1X AirTTL Flash Heads from Profoto will give you up to 325 full-power flashes and thousands of minimum power flashes on a 2.5-hour charge from the 2.8A multi-voltage charger. The 4.5A quick charger shortens that time to 1.5 hours. Fuel-gauge-type LEDs on the battery and both the optional chargers allow you to monitor the charging progress.


  • 325 Full-Power Flashes
  • Charges in 1.5 Hours with 4.5A Charger
  • Charges in 2.5 Hours with 2.8A Charger
  • Charge Status LEDs


How much more capacity do I get with the new battery?

    The nominal Ah rating is increased from 3 Ah to 5 Ah which is a 50% increase!

    The number of full power flashes increases from 220 to 325 per battery charge and the run time in standby or with modelling light on extends by 67%.

Can I use my old B1 batteries with B1X?

    Yes you can!

Can I use the same chargers for the new and the old battery?


Is the charging time the same for the new battery?

    The charging time is slightly longer when charging an empty battery.

    With battery charger 2.8 A charging time increases from max 2 hours to max 2.5 hours.

    With battery charger 4.5 A charging time increases from max 1 hour to max 1.5 hours.

    With car charger 1.8 A charging time increases from max 2 hours to max 3 hours.

How does the size and weight of the new battery compare with the B1 battery?

    The size and weight is exactly the same.


5000 mAh
Nominal Voltage: 14.8 V

Charge Voltage: 16.8A

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What's in the box?

  • 2x Lithium-Ion Battery for B1 & B1X AirTTL Flash Heads
  • Limited 2-year warranty

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Tags: Profoto, battery
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