If your initial purchase was with the standard controller and you plan to move up

To match its adaptability

Skycontroller 4

This watertight case floats

Freefly Alta X Dual Charger Case EVO II If your initial purchase wasAlta X chargers are heavy and bulky! Our Alta X dual charger case holds a pair of the EV Peak U4 Pro chargers in one convenient case. We designed our Alta X series of cases based on our experience using the Alta X for LiDAR mapping in the rugged terrain of the Montana Rockies. We know what it takes to be in production mode with the Alta X. No more lugging around those bulky chargers! If youre a professional filmmaker, surveyor, or anyone else using