Goals:
- Provide sufficient power to keep common cell phones running indefinitely under typical sun conditions
- Store power for use during nights and/or bad conditions
- Be safe for use in a hat (IE: safe and reliable battery chemistries ONLY)
- Function in bad weather, including rain
amazing feature with the best and most portable things for each of us, it's so amazing and can be carried with my self. we also have this amazing thing to help others in getting it in some steps.
https://solsolhat.com/products/the-poweraid-sup-style-font-size-16px-sup-snapback-solar-charger-hat