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Reviewed in France on July 29, 2024
comme sur les photos de bonne qualité le prix est très intéressant après montage les essais sont concluants emballage parfait reçu avant la date prévue merci à toutes vos équipes
B. Smith
Reviewed in the United Kingdom on June 20, 2024
Smaller than you think so it's difficult to solder. Never got it to fully function but that might be a limitation of my battery. Better off buying a fully functioning commercial unit.
Jimi
Reviewed in the United Kingdom on May 22, 2024
Does the job well and cheaply
Alex
Reviewed in the United Kingdom on November 15, 2024
This board uses the CN3163 chip which yes, is lithium battery controller optimised for use with solar panels. It does not, however, do any maximum power point tracking (MPPT) despite that being mentioned in the product title.That being said, it’s pretty much plug and play. If you have a project that requires a battery to be charged from a solar panel and you’re not bothered about maximising power output from the panels, then this will do the trick. If you need MPPT, then it’s probably best to look elsewhere.
Kenny and Sue
Reviewed in the United States on October 7, 2024
I've tried a number of different solar chargers with mixed results and none were very efficient, that is until this little gem. I've tested it in my same build as the others, 4 small solar panels that track the sun via arduino and two servos to charge two 18650 cells that power all the above and a meshtastic transceiver from RAKwireless. At sun up is reporting ~75-80% bat level and in one hour it's charged to 100%. None of the other charges I've tried could even come close to this.
calmels pierre
Reviewed in France on February 26, 2023
Le module est franchement très petit et difficile à travailler . les résistances étant très proches des soudures ... je ne vous fais pas un dessin ^^
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