Portable charger battery backs are all the rage, but what happens when they run out? With Sharge’s Storm 2 Portable Solar Panel Charger, that question has an ever-present solution: the sun Read More
I believe the Solar Charger case was designed to fit specifically the Storm2 (now renamed Shargeek 100; not to be confused with the manufacturer name change for their other products).
Here's the official product page for the solar charger accessory:
https://sharge.com/products/storm-2-solar-power-bank-charger-case-portable-solar-panels-charger-12w
However, I see no reason why you can't use the Storm2 Slim (now renamed Shargeek 130), and use the extra space for carrying something else, such as a cable.
Hope this helps!