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I am working on a project, making a solar charger for my HTC EVO 4G. I am using panels from solar lawn lights that I have laying around my yard. There are 3 types. One group is a 3-3.15 volt in direct sun and one group is 2-2.15 volt both 20 mA. Then I have some that are around 3.5 volts that i'll ...

I am looking into ways of charging the SP. I am wondering if it could handle a charger that puts out around 500mA. Would this cause any problems with the circuitry or battery?

I thought that but all the solders on the pins look solid. Maybe a tiny crack that isnt visible? If I had a soldering iron right now i would get on that but I am broke.

Any answer on whether the power can go directly to the batter and a temporary solution till i can re-solder?

I have a GBA SP with a power connector that does not work for some reason. I remember having to wiggle the power cord to get it to charge back in the day (circa 2004) and the problem got progressively worse till it wouldn't charge at all.

Tonight i opened up the case and connected the brand new ...