The Speedlight Powerblock 900 is the perfect power source for wedding and location photographers who rely on their speedlights for high volume flashes from a single charge, fast recycling, and consistent flash output. The extremely portable battery pack can conveniently clip onto your belt or be carried with the included shoulder strap. It can power Canon, Metz, Nikon, Quantum, and Sony flashes that have a power port (cables sold separately).

The battery pack features a high-quality Ni-MH battery that will provide up to 500 full-power flashes from a single charge and will recycle most flashes in just 1 second. The Speedlight Powerblock 900 fully charges in 2 hours.

Features:

• Slim, compact, and lightweight design
• Built-in belt clip and comfortable shoulder strap
• Recycles most flashes in 1 second
• 500 full-power flashes from a single 2-hour charge
• Powers compatible Canon, Metz, Nikon, Quantum, and Sony flashes (dedicated cable sold separately)
• 4-LED power "fuel gauge" monitor
• Lower-power indicator that blinks when power gets low
• Includes wall charger and car charger.

• Manufacturer :  Calumet
• Mfg Part Number :  CF0192
• Ni-MH battery
• 2 hour charge time
• 500+ Flashes per cycle