The MC4 line to USB voltage regulator is a suitable accessory for solar panels to charge mobile phones and other devices.

1. Copper Wire: The male and female ends of the solar panel DC adapter are made of sturdy 10 AWG copper wire, and the 0.217" x 0.083" DC end is made of 14 AWG copper wire, which is very thick and durable, providing a stable current to your device. 2. Multiple Uses: The USB voltage stabilizer cable for solar panels can be connected to various device accessories, such as a solar panel for charging mobile phones. 3. Wide Compatibility: The solar panel adapter is applicable to all solar panels and portable power stations with solar connectors, as well as solar generators with 0.315" and 0.138" x 0.053" DC inputs. 4. Various Interfaces: There are several different interface ports, including 2 USB interfaces, 1 Type-C interface, and 1 DC interface, meeting your various usage needs. 5. Plug and Play: Solar panel voltage stabilizer. This cable can be used without any installation. Plug and Play, simple and convenient.