It is overkill for hybrid shooters. Fact: If you shoot video and photo during the same event, the "Full" allows you to toggle modes without reconfiguring power cables. The battery has a dedicated 12V output for external monitors and a 5V USB output for phone charging.
Using the companion mobile app (iOS/Android), set backup rules. For example: When battery reaches 15%, stop backing up to preserve power for camera body. Or, When connected to WiFi, upload JPEG proxies to the cloud. photopack snappy full
The ability to run for two days without wall power, combined with instant real-time backups, makes the Photopack Snappy Full the definitive power management tool for the modern digital photographer. It solves the two biggest problems in field photography: running out of juice and losing data. For those who demand "full" capability, the Snappy delivers. Disclaimer: Specifications and pricing are subject to change. Always verify compatibility with your specific camera model and local airline regulations before purchasing a high-capacity battery system. It is overkill for hybrid shooters