I am having a hard time figuring out what to do when I want to take my equipment out into the field (All is fine when I can simply plug in my mount at home). Currently I have a Celestron Power Tank Lithium LiFePO4 that I had planned on powering my AVX mount and Asiair/ZWO 120 mini guide camera. However I realized that the usb ports are only 2.1 amps and the Asiair requires 2.5 amps. I am kind of at loss of what to do? Should I go and get the Pegasus power box, a second Celestron Power Tank, or some other solution?