Profoto

Profoto 100399 B1/B1X Lithium-Ion Battery

3.8 (21 reviews)

Power Your Profoto B1 and B1X Flash Heads The Profoto 100399 Lithium-Ion Battery is specifically designed for use with Profoto B1 and B1X AirTTL Flash Heads. This reliable battery provides extended shooting time, allowing you to focus on capturing the perfect shot. Specifications: Compatibili...

$380.00*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Power Your Profoto B1 and B1X Flash Heads

The Profoto 100399 Lithium-Ion Battery is specifically designed for use with Profoto B1 and B1X AirTTL Flash Heads. This reliable battery provides extended shooting time, allowing you to focus on capturing the perfect shot.

Specifications:

  • Compatibility: Profoto B1 and B1X AirTTL Flash Heads
  • Full Power Flashes: Up to 325
  • Charging Time (with 4.5A charger): 1.5 hours
  • Charging Time (with 2.8A charger): 2.5 hours
  • Indicators: Charge status LEDs

Key Features

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

Specifications

Battery Type
Lithium-Ion
Full-Power Flashes
325
Fast Charge Time (4.5A charger)
1.5 hours
Standard Charge Time (2.8A charger)
2.5 hours
Charge Indicator
Charge status LEDs
Compatibility
Profoto B1/B1X

Pros & Cons

👍 Pros

  • Provides 325 full-power flashes on a single charge, offering extended use during photo shoots.
  • Can be fully charged in 1.5 hours when using the faster 4.5A charger, minimizing downtime.
  • Offers a clear indication of its power level through charge status LEDs, allowing for easy monitoring.
  • Specifically designed for use with Profoto B1/B1X units, ensuring optimal compatibility and performance.
  • The lithium-ion chemistry typically offers good power density and discharge characteristics for flash units.

👎 Cons

  • Achieving the fastest charge time requires a specific 4.5A charger, which may need to be purchased separately or as an accessory.
  • The slower charging time of 2.5 hours with a 2.8A charger could be a drawback when quick turnarounds are essential.
  • The battery's 325 full-power flashes might not be sufficient for extremely long or intensive shooting sessions.
  • This battery is specifically for Profoto B1/B1X units, limiting its use with other brands or models of photographic equipment.

Frequently Asked Questions

This battery is capable of providing 325 full-power flashes on a single charge, ensuring ample power for your shooting needs.
The battery charges in 1.5 hours with a 4.5A charger and in 2.5 hours with a 2.8A charger.
Yes, the Profoto Lithium-Ion Battery is equipped with charge status LEDs, allowing you to easily monitor its power level.
This specific battery is designed for use with Profoto B1 and B1X models, ensuring optimal performance and compatibility with those units.
It is a Lithium-Ion battery, known for its performance and suitable for powering the Profoto B1/B1X flash units.