iTEKIRO Auto Adapter for Acer SA5-271P-38UZ, SA5-271P-5972, SA5-271P-74E1, Swift 1 SF113 13.3", SF113-31, SF113-31-P1CS, SF113-31-P2VH, SF113-31-P5C5, SF113-31-P5CK, SF113-31-P6XP, SF113-31-P87M This auto / boat adapter is 19V 2.37A 45W, it replaces Acer 40W, adapter coming with your laptop The right angle DC connector (elbow tip) is better than straight tip to protect your laptop power jack and the adapter itself from damage Long power cord makes you reach more space with ease; Compact and lightweight Protection from short circuit and over temperature; Consuming less power and smart LED power indicator Satisfaction: Money back guarantee plus 1 year trouble-free replacement warranty