Received this video and I'm not sure if it is valid or not. Guess I could disassemble a 6 volt lantern battery and find out. But as I recall from my high school chemistry days, and the warning on the ...

This portable solar lantern circuit uses 6 volt/5 watt solar panels are now widely available. With the help of such a photo-voltaic panel we can construct an economical, simple but efficient and truly ...