
Profoto 100399 B1/B1X Lithium-Ion Battery
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...
*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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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
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.