Power Specifications: AC input voltage : 100 ~ 240V ~ 4.5A 50/60 Hz, DC output : 19.5V ~ 14.36A 280W (Compatible with 230W 180W), Connector: 5.5*1.7mm. Compatibility: For Acer Predator Helios 300 PH315-55 PH315-55-70ZV PH315-55-795C PH317-56-5657 PH317-56-70XJ PH317-56-72SP PH317-56-71VH PH317-56-724M PH315-52-582R PH315-52-516A PH315-53-7512 Compatibility: For Acer Nitro 16 AN16-51 AN16-51-56VR AN16-51-7515, For Acer Nitro 5 AN515-58 AN515-58-75UH AN515-58-76UQ AN515-58-79LM AN515-58-79A5 AN515-46 AN515-46-R0EQ A515-46-R3UB AN515-46-R4QM Compatibility: ADP280DB B, A21-280P1A, A280A010P Our ZLZMZN Charger committed to providing the advance service and products. We provide 12 months product maintenance service and replacement The ZLZMZN 280W AC Laptop Charger Adapter