Output:19.5V~2.31A~45W; Input:100-240V~1A,50-60Hz; Connector Tip:4.5mm*3.0mm; 3 Plugs (▲Be carefully to check the PC tip, NOT 7.4*5.0mm, NOT fit all Dell laptop, Please check the full Dell model. If not fit and can’t make sure, please contact us, we always can help )