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Q&A How much less efficient is a solar charger when on a car's dashboard instead of in direct sunlight?

When car camping, I use a solar charger to charge my electronics. Sometimes I can place it outside, and other times I will stick it on the dash to charge things. I can tell that putting it on the ...

3 answers  ·  posted 7y ago by Charlie Brumbaugh‭  ·  last activity 7y ago by System‭