As part of my prepping, I purchased a small foldable solar panel to use the sun to recharge items such as my phone, some rechargeable batteries, etc.
Well, this unit i purchased is a brand called Foval Solar Pack. It was $44 plus freight and tax.
Anyway, it came in today. So I figured what the hell i will give it a try and see how it works.
Well, it does not work worth a shit crap.
I plugged my android phone into it, set it outside in full sunlight, and in the space of 25 minutes, it had lost 4% of charge.
Told my wife that, and she laughed like I haven't heard her laugh in years. At me and my bad solar panel.
Oh well, guess i will continue my quest for a recharger unit.
Never tried that brand but from what you wrote, it sounds like the product DID work, if you "only" lost 4% while keeping the phone on to monitor the charge. Try shutting the phone off before plugging it in, on an equally sunny day for an equal time period. Betting that the product works as designed, and you misunderstood the design parameters. Most solar cells only generate a tiny trickle charge, especially foldable ones, while in standby mode any phone uses at least that much power just seeking the nearest tower to receive incoming calls.
ReplyDeleteAnyway, test it by comparing three sets of specs, the phone's power use specs, the solar panel specs, and the results from a multitester to find out how many milliamps are actually being generated. The three numbers won't match. Again, I'll bet it charges just fine if you shut off the phone before plugging it into the panel. And you've also got to move the panel every hour or so, to aim it at the sun as the sun tracks across the sky because the angle makes a big difference in output.
Continuing my previous comment, looks like the 24 watt panel for $44 only produces 2.4 amps at 5 volts when at maximum charge. Although it advertises a relatively fast charge, that's compared to smaller panels. It's really designed to be plugged in all day but you only plugged it in for 25 minutes...
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