Why do you want to make a solar folding panels?

For the solar industry, ECEEN mainly focuses on off-grid products.

Off-grid power generation is highly dependent on batteries. In terms of batteries, the market is mainly divided into lead-acid batteries and lithium batteries. Based on this, the voltage requirements for solar panels are generally about 18V and 6V.

The cost of glass lamination is low, but it is not portable, and it is not suitable for carrying. The folding panels has considerable advantages in weight and size. It is suitable for the demand for electricity in various scenes such as RVs, outdoor sports, and travel.

Can the solar panel directly charge mobile phones, etc.?

-As long as the sun is sufficient and the voltage is adapted, the solar panel can directly charge mobile phones, etc.

-Taking mobile phones as an example, the charging parameters of most mobile phones are 5V1A, that is, 5W. Due to the needs of the circuit, a 7W solar panel is generally equipped to basically meet the charging needs of the mobile phone.

-The disadvantage is that the charging will be interrupted when there is cloudy or no sunlight on the day and at night

-Therefore, it is generally equipped with batteries, regardless of whether there is sun or not, so that it can be charged anytime and anywhere, and provide stable current for mobile phones, etc., to extend the life of mobile phones and other own batteries, and batteries can also be configured.

The relationship between the wattage of the solar panel and the charging time

Generally speaking, the wattage determines the speed of the charging time, but it is also related to the equipment that needs to be charged. It is not that the larger the wattage, the better. If your battery is designed to be charged at 1A, under the test conditions, the charging time with 5W and 100W solar panels is the same

Take most mobile phones or our company's power supply as an example. The designed charging current is 1A and the voltage is 5V, so the power required for charging is 5W, which means that a 5W charger is used to charge the mobile phone and the capacity generated in one hour It is generally 1Ah. If the capacity of the mobile phone is 2Ah, it will take about 2 hours to fully charge, so no matter what the customer asks, just use this formula to know the time. (Of course, under this standard test condition, the battery charging process is a complicated process, not a constant charge, so the time is a bit longer)

Of course, considering the instability of sunlight and the angle of use, the wattage of the solar panel will generally be increased.

Batteries are produced by chemical substances, and their own characteristics determine that their charging current cannot be too fast. This is why the charging time of mobile phones or tablets cannot be solved for a long time, and there is no fast charging device to charge mobile phones and so on.

Types of solar folding panels

Folding solar panels generally cover between 5W and 300W, which are too large to produce, and generally do not need such a large solar panel for outdoor activities

Solar folding panels can be produced according to customer requirements, such as the size, wattage, different types of solar panels, folding number, output interface, output line, etc.

Solar folding panels can be designed for customers, boarding services, various forms of LOGO requirements, etc.

Solar folding panels can be customized circuit boards for customers or provide standard circuit boards such as single USB, dual USB, single USB+DC output voltage regulator or linear output