Input: 100V-240V (50 - 60Hz)
Laptop Charger Details
Output Power: 90 W
Compatible Models: Acer Laptops 5.5mm*1.7mm
Please note that laptop chargers only varies from three category (a) (V) VOLTAGE (eg. 19v) (b) (A) AMPS (eg. 4a) (c) PIN/Connector (eg. 5.5mm x 2.5mm)
If all of these factors are the same to the charger you used for your laptop, then there is no technical difference between your laptop charger to chargers w/ different brand or a replacement charger.