65W power, 45W backward-compatible — Safe for 45 W ultrabooks; your device only draws what it needs.
Correct connector (Acer small tip) — 3.0×1.1 mm thin barrel; not USB-C and not 5.5×1.7 mm.
Made for ultrabooks & 2-in-1s — Works with Aspire S7/S5/S3-391 (ultrabooks), Aspire R13/R15 (convertibles), Aspire P3 tablet PC, Iconia W700/W700P Windows tablet, and V3-371/V3-372 light notebooks (all small-tip 19 V).
Reliable & travel-ready — 100–240 V worldwide input; protections: OVP/OCP/OTP/SCP.
Parts you may search — Replaces PA-1650-80, ADP-65KB, A11-065N1A, A13-045N2A, NP.ADT11.00F and other small-tip 45 W/65 W references (see A+)