Please check compatibility with your laptop carefully as laptop models do vary.Ensure you have the correct Tip Size, Output Voltage and Amp Rating from your previous charger.The AC power adapter enables you to operate your laptop or charge the battery from electrical power outlets.If you are running your computer on AC power with a battery installed, the adapter charges the battery ( if needed ) and maintains its charge.Tip Size: 4.5mm x 3.0mmOutput: 19.5V 2.31AUK Three-Pin Plug Power CordCompatible with the following laptops:Dell 3RG0T, DA45NM131, DA45NM131, Inspiron , Dell PA-20 laptop charger, Dell Vostro, Dell XPS 13 3RG0T, PA-1450-66D1, LA45NM121, 03RG0T,  DA45NM131, 04H6NV, PA-1450-66D1, LA45NM121, 03RG0T, HA45NM140, 00285K, HA45NE1-00, DA45NM131, 04H6NV, ADP-45XD, JT9DM, FA45NE1-00, 0JT90M, A-0045ADU00-201, PA1M10 Family, 19.5v 2.31a, A045R003L, 0XG0WK, 3RG0T, LA45NM121, PA-1450-66D1, Dell PA20,  LA45NS0-00, GKJYK, 0GKJYK, 00285k, HA45NE1-00, DA45NM131, 04H6NV, ADP-45XD, JT9DM, FA45NM160, FA45NE1-00, 0JT90M, A-0045ADU00-201, PA1M10 Family, HA45NM140, A045R003L, 0XG0WK, 3RG0T, LA45NM121, PA-1450-66D1, HA45NM140, 00285K, HA45NE1-00, DA45NM131, 04H6NV, ADP-45XD, JT9DM, FA45NE1-00, 0JT90M, A-0045ADU00-201, PA1M10 Family,  A045R003L, 0XG0WK, 3RG0T, LA45NM121, PA-1450-66D1.Please check compatibility with your laptop carefully as laptop models do vary.