Overview
The NEC OP-520-4401 ADP02 is an original equipment manufacturer (OEM) power supply adaptor designed for NEC Versa series portable computers. This universal AC-to-DC adaptor provides reliable power conversion across international voltage standards, making it suitable for global deployment. The unit delivers dual output voltage configurations to accommodate different Versa series models and peripheral devices.
Key Features
- Universal input voltage: 100–240V AC, 50–60 Hz
- Dual output configuration: DC 11.5V and DC 13.5V selectable
- Current capacity: 11.5V at 1.7A or 2.8A; 13.5V at 1.5A
- Four-pin connector for secure, polarized connection
- Compact form factor: 11.9 × 6.9 × 3.5 cm
- Lightweight at 460 grams for portable use
Technical Specifications
- Input voltage: 100–240V AC
- Input frequency: 50–60 Hz
- Input current: 1.0A–0.5A
- Output voltage (selectable): DC 11.5V or DC 13.5V
- Output current at 11.5V: 1.7A / 2.8A
- Output current at 13.5V: 1.5A / 0A
- Connector type: 4-pin female
- Dimensions: 11.9 × 6.9 × 3.5 cm
- Weight: 460 g
Typical Applications
The NEC OP-520-4401 is designed for powering NEC Versa series notebook computers in office, field, and mobile environments. It is commonly used in corporate IT refresh cycles and by system integrators managing legacy NEC laptop fleets. The dual voltage output makes it compatible with various Versa models and external peripherals requiring regulated DC power.
Compatibility & Replacements
Compatible With
- NEC Versa E series laptops
- NEC Versa M series laptops
- NEC Versa P series laptops
- NEC Versa V series laptops
- External DC-powered peripherals requiring 11.5V or 13.5V input
Replaces / Drop-In Replacement For
- NEC ADP02 (original and equivalent OEM variants)
- Direct replacement for OEM part number OP-520-4401
Works With
- NEC Versa series docking stations
- NEC external battery chargers compatible with Versa platforms
- Legacy portable storage and external device solutions rated for 11.5V–13.5V DC input
