1. Charger shell, a shell that can be installed with solar panels
2. PCB board matching the shell, a board with solar charging circuit
3.
p>4. Solar panels can be installed in hull-sized solar panels. The voltage of the solar panel is determined according to the voltage of the storage battery
That's all for these things
It should be said that its function is relatively good, it can convert light energy into electrical energy, and it can charge mobile phones in the wild. It’s handy when needed. But in practice, this type of charger is not practical. Generally, mobile phones are equipped with two battery boards, which can also be replaced under normal circumstances. And it's limited on rainy days. If it is a product that comes with the mobile phone, it can also be used as a backup. He ... notno need to buy it specifically. for reference only!