Guangdong QINX offers factory direct 42W 12V 3.5A (3500mA) desktop power adapters designed for reliable and efficient power delivery to a wide range of electronic devices. Featuring a standard 5.5×2.5mm DC connector, this AC DC power adapter provides stable 12V output, making it ideal for consumer electronics, industrial equipment, security systems, LED lighting, networking devices, and other 12V-powered applications.
Built with high-quality components and advanced protection circuitry, the 42W desktop power adapter supports universal 100–240V AC input, ensuring compatibility with global markets. Multiple safety protections including over-voltage, over-current, short-circuit, and over-temperature protection help ensure long service life and stable performance.
As a factory direct manufacturer, Guangdong QINX supports OEM & ODM customization, including DC connector options, cable length, output parameters, housing design, labeling, and packaging. This allows customers to reduce sourcing costs while meeting specific application and branding requirements.
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 20W-48W SERIES DESKTOP Power Adaptors |
QXP-PAD-05004000 | 5V 4A 20W | VI |
| QXP-PAD-09004000 | 9V 4A 36W | VI | |
| QXP-PAD-12003500 | 12V 3.5A 42W | VI | |
| QXP-PAD-12004000 | 12V 4A 48W | VI | |
| QXP-PAD-13503000 | 13.5V 3A 40.5W | VI | |
| QXP-PAD-15003000 | 15V 3A 45W | VI | |
| QXP-PAD-16003000 | 16V 3A 48W | VI | |
| QXP-PAD-17002800 | 17V 2.8A 48W | VI | |
| QXP-PAD-18002600 | 18V 2.6A 46.8W | VI | |
| QXP-PAD-19002500 | 19V 2.5A 47.5W | VI | |
| QXP-PAD-20002400 | 20V 2.4A 48W | VI | |
| QXP-PAD-24002000 | 24V 2A 48W | VI | |
| QXP-PAD-30001600 | 30V 1.6A 48W | VI | |
| QXP-PAD-48001000 | 48V 1A 48W | VI | |
| Email us at info@qinxpsu.com if you need customized service. | |||
