The solar power bank uses low voltage and low current charging, which is safer than 220V charging. Whether it works well or not depends on the brand you choose. Generally, solar batteries from major brands are very convenient to use. First of all, the brand's products have undergone various tests before leaving the factory and are of excellent quality; secondly, solar panels have a large surface area and charge quickly, and the best ones can be fully charged in 4-5 hours. ; thirdly, major brand power banks all contain voltage regulators, stable current module, stable output, safe for mobile phone. If you want to buy a solar power bank, it is recommended to pay attention to the Quad Power Bank. I chose this one after much investigation and it is currently working well.
It takes about fifteen to winegt hours
The charging principle of solar power bank is to convert the sun's energy into electric energy and store it in the battery of the power bank. . When the mobile phone does not have enough power, the solar power bank supplies battery power to the mobile phone.
However, solar power banks can only be used in emergencies, and mobile phone charging cannot entirely depend on solar power banks. If you need to use a solar power bank to charge your mobile phone for a long time in daily life, it is recommended to choose a solar panel of more than 0.7W, otherwise it will not have a charging effect. obvious load.
Detailed information:
1. Be careful to charge the power bank under strong light. Do not wait at least 8 hours of charging beforethe battery is fully charged.
2. Second, do not place the mobile power supply in a car with high temperature, otherwise the battery life will be shortened.
3. Try not to charge the mobile power by shining sunlight through the glass, because the effect is not obvious.
4. Be sure to charge the mobile power under strong light and do not use chemicals to wipe the product.