Once you have their solar panels and regulator they will tell you what is really going on with the solar charging system. Inexpensive for the price of what you know.
Xiaomi 70mai Jump Starter Midrive PS01
120 Review
Charger Vympel 57 black
110 Review
CARKU Pro-10 black/red
91 Review
70mai Jump Starter Max Midrive PS06 black
37 Review
Bit and socket set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
46 Review
Reversible Mi 16-in-1 Ratchet Screwdriver
21 Review
Xiaomi Mi x Mijia Wiha Precision Screwdriver Set (DZN4000CN), 25 pcs
34 Review
Tool set Ombra OMT82S12, 82 pcs, brown
22 Review