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Hi, I'm making a solar project and I have a 7.5V solar panel (250mA & 1.9w) and a 6V battery (4.5mA) .. Is it possible to charge the battery with this panel and have a protection cut-off circuit? I searched and the only circuit that I found thats close is this one but its a 12v solar panel charging a 6V battery.http://www.electroschematics.com/474...arger-circuit/.. But with 2 diodes and the regulater wont the panel volts fall alot?? What can I do so I have lets say 7 volts to charge my battery?? Thanks..