MM Dedicated Module (Connection Cable) – to Power Metz 45CL-1/3/4, 45CT-1/3/4/5 or Hasselblad 4504 Flashes with Battery 2 Battery Pack – Quantum Instruments
Metz 45CL-4 Digital TTL Handle Mount Flash Digital Kit - Flashes & Speedlights - ShaShinKi
Metz 45-56 NiMH Battery Cluster MZ 54557 B&H Photo Video