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Why is my solar ipod charger not charging?

I have combined Goodatlt's charger and Sitnalta's charger and made a charger that has support for ipods. I am using 2 7.5v 250ma solar panels wired in parallel without diodes. When I plug in my ipod touch 1st gen, it says it is charging, but the battery level is decreasing. Is it dicharging? Do I need diodes on each panel? Should I wire it in series? My schematic is below. Please Help!

Picture of Why is my solar ipod charger not charging?
seandogue6 years ago
Please provide complete schematic of the circuit you built.