Parts List:

400W folding solar panel specs: 

5X80W foldable solar panel with high efficiency sunpower solar cell  80W15.4V 992*540*3mm  5pcs 80W solar panel in parallel, total 15.4V/400W, with cable output.


It cost me $852.00 for a single sample.

BoostPack Capacitor Bank Balance Board

EATON 400F 2.7V

Archeer USB Charger Adapter (Works 16V  to 3V) Perfect for super capacitors)

BANDC Waterproof Socket 12v Plug

Akak Store High Quality 15amp Diode Axial Schottky Blocking Diodes for Solar Cells Panel,15SQ045 Schottky(20Pcs)

Gardner Bender 10-107 Terminal Ring, 12-10 AWG, Stud Sz 12-1/4, Yellow (50 pk)

Titan Tools 11477 Ratcheting Wire Terminal Crimper

10 AWG Silicone Wire - Fine Strand and Flexible - 10 Gauge Silicone Wire - 6 ft. Black, 6 ft. Red

11cm 4.3" Length Black Plastic Cabinet Drawer Pull Handles 10pcs

Hand Generator (I am still looking for something better)

250mm x 150mm x 100mm Dustproof IP65 Junction Box DIY Case Enclosure Gray

M6 Thread Dia Plastic Metal Binding Post Terminal 10 Pcs Dark Red Black

Scotch Permanent Outdoor Mounting Tape, 1 Inch x 450 Inches (4011-LONG)

USB Mini Light Bulb

Cigarette Lighter Voltage LCD Meter

USB Flashlight