The Metz 45-56 NiMH Battery Cluster provides a rechargeable NiMH power option for the 45 series of handle mount flashes. The NiMH 45-56 battery allows photographers to shoot a minimum of 220 flashes at full power; a 175% increase from the previous NiCad 45-40 battery.
Note:
Requires the 970 Universal Charger.