Technical Details: Input:100-240V 50-60Hz; Output: 19V-3.42A -65W; Connector Size: 3.0mm * 1.1mm (Be Carefully!!! Check Connector Picture! Please Check!!!) Laptop Charger for Acer Chromebook 13 14 15: CB3-531, CB3-531-C4A5; CB3-532, CB3-532-C8DF, CB3-532-C47C; CB5-571, CB5-571-C4G4, CB5-571-C4G4, CB5-571-C1DZ, CB5-571-58HF, CB5-571-C09S; 14 series: CB3-431, CB3-431-C3WS, CB3-431-C5EX, CB3-431-C5FM; 13 series: CB5-132T, CB5-132T-C8ZW, CB5-132T-C1LK Laptop Adapter for Acer Chromebook R11: CB3-111, CB3-111-C670, CB3-111-C8UB; CB3-131, CB3-131-C3SZ, CB3-131-C3KD; CB3-132, CB3-132-C4VV; C720 C720P C731 C738T C740 C810 C910 series: C720-2103, C720-2420, C720-2800, C720-2808, C720-2827, C720-2844, C720-2848, C720-3404, C720-3605, C720-3871; C720P-2457, C720P-2625; C731-C8VE, C738T-C44Z, C738T-C7KD, C740-C3PI, C740-C4PE Compatible with Acer Aspire 3/5/S5/S7/P3, Spin/Swift 1 3 5 Series: A314-22, A314-23P, A315-23, A315-35, A515-44, A515-46, A515-54, A515-54G, A517-52, A515-55,