Hi, hey, hello and welcome to another blog post!
The subject will be: Solar charging Lithium Ion Polymer (LiPo) 7.4V dual cell batteries, specifically
from KingMax.
I've been exploring multiple things.
The only thing that could work is: Adafruit's LiPo dual cell charging method.
The problem:
The specifications aren't the same.
If you have the answer, please contact me using the contact form at the bottom of the page.