The 76W 19V 4A desktop power adapter from Guangdong QINX is developed for electronic devices requiring stable mid-to-high power DC output with strong efficiency and long-term reliability. Built using high-performance switching technology, this adapter ensures consistent voltage regulation and smooth power delivery under varying load conditions.
Designed with a universal 100-240V AC input range, the unit supports global deployment and delivers regulated 19V DC output suitable for a wide range of professional and consumer electronic applications. Its energy-optimized design helps reduce power loss while meeting DOE Level VI efficiency requirements.
To meet different device interface requirements, Guangdong QINX offers multiple DC connector options. Standard configurations include 5.5×2.1mm, 5.5×2.5mm, 4.8×1.7mm, 4.5×3.0mm, 3.5×1.35mm barrel connectors, USB-style outputs, right-angle plugs, and open-wire leads. Custom connector solutions are also available for OEM and ODM integration projects.
The adapter incorporates comprehensive protection mechanisms including over-voltage protection, over-current protection, overload protection, short-circuit protection, and thermal protection. Guangdong QINX also provides full customization services such as private labeling, cable length adjustment, connector selection, housing design, and packaging solutions.
Typical Applications
| Series | Models | Output Voltage/Current/Power | Energy Efficiency |
| 1W-418W SERIES DESKTOP Power Adapters |
QXP-PAD-19001000 | 19V 1A 19W | VI |
| QXP-PAD-19002000 | 19V 2A 38W | VI | |
| QXP-PAD-19002500 | 19V 2.5A 47.5W | VI | |
| QXP-PAD-19003000 | 19V 3A 57W | VI | |
| QXP-PAD-19003420 | 19V 3.42A 65W | VI | |
| QXP-PAD-19004000 | 19V 4A 76W | VI | |
| QXP-PAD-19005000 | 19V 5A 95W | VI | |
| QXP-PAD-19006000 | 19V 6A 114W | VI | |
| QXP-PAD-19007000 | 19V 7A 133W | VI | |
| QXP-PAD-19007900 | 19V 7.9A 150.1W | VI | |
| QXP-PAD-19008000 | 19V 8A 152W | VI | |
| QXP-PAD-19009000 | 19V 9A 171W | VI | |
| QXP-PAD-19010000 | 19V 10A 190W | VI | |
| QXP-PAD-19010500 | 19V 10.5A 199.5W | VI | |
| QXP-PAD-19011000 | 19V 11A 209W | VI | |
| QXP-PAD-19012000 | 19V 12A 228W | VI | |
| QXP-PAD-19012600 | 19V 12.6A 239.4W | VI | |
| QXP-PAD-19013000 | 19V 13A 247W | VI | |
| QXP-PAD-19014000 | 19V 14A 266W | VI | |
| QXP-PAD-19015000 | 19V 15A 285W | VI | |
| QXP-PAD-19016000 | 19V 16A 304W | VI | |
| QXP-PAD-19017000 | 19V 17A 323W | VI | |
| QXP-PAD-19018000 | 19V 18A 342W | VI | |
| QXP-PAD-19019000 | 19V 19A 361W | VI | |
| QXP-PAD-19020000 | 19V 20A 380W | VI | |
| QXP-PAD-19021000 | 19V 21A 399W | VI | |
| QXP-PAD-19022000 | 19V 22A 418W | VI | |
| Optional DC Connectors | 5.5*2.5, 5.5*2.1, 5.0*3.0, 4.8*1.7, 4.0*1.7, 3.5*1.35, 2.5*0.7, 6.0*3.0, 6.5*4.0, 6.5*4.4, 6.5*4.5 (6.5x1.4), 6.3*3.0, 6.0*4.4, 5.0*1.0, 5.1*7.4, 5.0*7.4, 5.5*1.7, 6.4*4.0, 6.0*3.7, Center pin, Cigarette lighter, 2pin, 3pin, Micro USB, Mini USB, RJ11, Straight Barrel, Right Angle Barrel, KPPX-3P/4P, Molex 2 pin, Molex 6 pin, XT30/XT60/XT90, M16, Alligator dip, Anderson Torberry, Audio, RCA, XLR, D-tap, IP type, GX12/16/20, Circular type, Ez-go, LP20-3pin, Stripped and Tinned Leads, Typc C, Minifit-Molex, C14, C13, 9pin "D" Type, 4 pin/prong-Din, 6-Pin Molex Connector, 4 Pin Mini Din, Aviation Plugs, 8-PIN DIN, Coaxial, Crocodile clip, M19, 2/3-Pin Terminal Blocks, Switchcraft S760K, 3 pin 4 pin XLR Female/Male, CJT C2020HF-2P, CJT C2020F-TP, GT193110-02021-XX, GT193110-02021-01, GT193119-02021-01, SAE, WJ15EDGKM-3.81-2P, open wire, GX16 2 pin aviation, CNLINKO LP20 connector LP-20-C02PE-02-004B, LP-20-C02PE-01-022 connector, LP-20-C02PE-01-024, LP-20-C03PE-01-001A, CNLINKO YA20 connector YA-20-J04PE-01-001 YA-20-C04SX-03-201...... | ||
| Email us at info@qinxpsu.com if you need customized service. | |||
