Check Tip Size First: 3.0 x 1.1 mm small round barrel tip. NOT for USB-C charging ports or the larger 5.5 x 1.7 mm tip.
Confirm: 1) original adapter reads 19V, 2) its tip is the small round pin, 3) your laptop port is a round hole.
Product Specification:
Input: 100-240V 50-60Hz;
Output: 19V 3.42A 65W (replaces 19V 2.37A 45W adapters);
Tip: 3.0 x 1.1 mm.
Package: 1x AC adapter + 1x power cord. Press Ctrl+F to find your exact model below.
Compatible with Acer Chromebook 11/13/14/15 & R11 Series (N15Q8, N15Q9, N15Q10, N15V1, N15V2, N16P1, N16Q1): C720, C720P, C730E, C738T, C740, C731, CB3-111, CB3-131, CB3-132, CB3-431, CB3-531, CB3-532, CB5-311, CB5-571 and more 3.0 x 1.1 mm models.
Compatible with Acer Aspire 1: A115-31, A115-32;
Aspire 3: A314-22, A314-23P, A315-23, A315-24P, A315-24PT, A315-35, A315-58;
Aspire 5: A515-44, A515-54, A515-55, A515-56 (round-port versions only).
Compatible with Acer Aspire S5: S5-371, S5-391;
S7: S7-191, S7-391, S7-392; P3-171;
R5: R5-471T, R5-571T, R5-571TG;
R7: R7-371T, R7-372T. CE/FCC/RoHS certified with over-voltage and overheating protection. (R7-572 not compatible: 5.5 x 1.7 mm tip).