Here is the circuit/block diagram of the same.

Links/References:
MicroUPS (refer: Research :: Off-Grid Solar Power System for Raspberry Pi) – HERE
Excellway® 20A DC Multifunction Digital Power Meter Energy Monitor Module Volt Meterr Ammeter – HERE
Details about 11.1V 10A PWM Solar Charge Controller Battery Panel Regulator Solar System – HERE
Power Acoustik PC1.5F 1000W 1.5 Farad Digital Capacitor with Red Digital Display – HERE
XL4005 DSN5000 Beyond LM2596 DC-DC adjustable step-down power Supply module , 5A High current, High power – HERE
Wireless mesh networks – HERE
CubeSat – Wiki – HERE
cubesat.org – http://www.cubesat.org
CubeSats – NASA – HERE
CubeSat Launch Initiative – NASA – HERE
Optionally also refer my other videos: