I wish to charge a battery of 7.2V 1250mah and 9.0Wh
I have a solar panel which gives a max output of 15.4V 600mah and 10Wh.
So, a) What do I need to convert 15.4 to 7.2v (a small lightweight solution)?
b) presuming the solar panel is at max output, how long would it take to charge the battery?
Ta Rich

