This is the switched-mode power supply (SMPS) AC-DC power adapter which converts 100-240V AC to 19.5V DC. It can provide up to 4.74A maximum current. All types of protections are provided in the supply. 
Features
- Output Over Voltage Protection, Over Current Protection, Short Circuit Protection and Surge Protected output are provided.
 
- Universal AC Range
 
- No Minimum load is required
 
- High Efficiency, Reliability & low energy consumption
 
SPECIFICATIONS
| Input Voltage | 
100-240V | 
| Frequency | 
50-60Hz | 
| Output Voltage | 
19.5V DC | 
| Max. Output Current | 
4.74A | 
| Dimension | 
135x59x33.4mm | 
| Wire length | 
1 meter | 
| DC Jack Outer Diameter | 
6mm | 
| DC Jack Inner Diameter | 
4.5mm |