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Solar garden light to AA battery charger SIMPLE conversion



After collecting enough dead lights I went searching for information on how exactly to do this conversion. Unfortunately I couldn’t find anything which described how to eliminate the entire load portion of the circuit. Once I figured out the solution was simple enough to share, I shared!
UPDATE: All four lights were working as chargers for awhile but then suddenly two of the panels stopped producing. I pulled the diodes to use on other panels.
I have determined that going from flat to charged takes three weeks on average. With two dead and a three week charge time I dont think I will be modifying any more of these.

Additional tips:
Tape the black-black connection once made- or dip them in glue.

I have seen some lights which use black and red leads to the photo resistor. To determine which black lead is from the solar cell (if you don’t have a volt-meter) is usually easy to do if you look where the photo eye is from the top.

What is more ‘green’ than taking something from the waste stream and making it into a solar generator?

TAGS: free solar garden yard light AA AAA battery charge charger convert conversion solder project energy PV photo voltaic circuit diagram wire wires “Battery Charger” Photovoltaics “AA Battery” “AAA Battery” Power green electric camping off-grid “power outage”

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