Sony 19V 1.58A laptop charger Item Specification:
Condition: New AC adapter
Input: AC 100-240V-1A, 50/60Hz (worldwide use)
Output: DC 19V 1.58A
Connector plug Tip Diameter: 5.5×1.7mm
1x AC adapter
1x Free power cable
1. Sony 19V 1.58A laptop charger Both 2-prong and 3-prong adapters with compatible cables can be used with no issues 3-prong is not necessarily better than 2-prong e.g.Apple and Toshiba all use 2-prong adapters.
2. The advantages of 2-prong adapters include lighter weighted smaller size for easy carry out etc.