Interesting Metz 45 innovation in the works | Metz Support group | Flickr
Amazon.com: Replacement Battery for Sony NP55 NP77 NP66 NP66H Series,Also Compatible for FVC/PV/CVL/CVM/SCX/VP/VM/KD/CC/CCD/F/GR/KD/VL Series Battery : Electronics
Metz Battery Holder Empty 45-39 for sale online | eBay
Amazon.com: BiXPower Super Large Capacity (322 Watt-Hour) Light Weight Battery Compatible with ResMed AirSense 10 Series CPAP Machines- CPAP330 : Electronics