Foldable solar panels on sale at a reduced price at AliExpress from 16.30 euros. Made of monocrystalline silicon, the surface of this solar panel must be ideally exposed, to benefit from a conversion efficiency exceeding 21%.
Equipped with a 5V USB output, AliExpress's portable solar panels are suitable for charging smartphones, tablets, wireless headphones, connected watches or even external batteries. Rated an average of 4.8 stars by buyers, these pocket solar panels provide an eco-friendly and economical power source.