power supply

Has anyone found a battery bank that can charge multiple TB48 batteries? Here are a few that I have found and look like they can put out the necessary charging power but I do not know how to calculate how many times it can charge a TB48 battery. 1. Expert Power Omega 453 2. Suaoki...

Hi there, I'm working on a project trying to tether the DJI Inspire 1, and we need to make choices about the power supply. Does anyone know what the typical amount of current is that the Inspire 1 draws? Perfect answer includes: - amp draw when hovering - max amp draw - how you came up...