Output: 19V 2.37A 45W; Input: 100V-240V 50/60Hz; Connector Size: Small pin 3.0*1.1mm Compatible with 45W small pin 3.0*1.1mm acer N20C5 A315-24P-R7VH A115-31 A115-32 A115-32-C96U A314-23P A314-23P-R3QA A314-35 A314-36P-35UU A315-35 A315-23 A315-24P A315-43 A315-35 A317;A515-44 A515-46 A515-54 A517-52 A515-55 A515-56 A515-44-R41B A515-45-R74Z A515-46-R3UB A515-55-56UK A515-56-32DK A515-56-36UT A515-57-53T2 Compatible with 45W Acer Chromebook R11 C720 C731 C738T C740 CB3-111 CB3-131.Compatible with P/N:ADP-45FE F A13-045N2A PA-1450-26 AK.045AP.075 Secure and Stable: All of our product lines go through strict quality control procedures to ensure safety. including short circuit, overvoltage, overcurrent, and internal overheating protection. Charging does not harm the device How to choose the right charger:1.Check you laptop specs to make sure it use the 45W power supply,19V 2.37A 45W.2.Check the charging port of your laptop,ensure that the charging port of your laptop charger is 3.0*1.1mm.If you are unsure if your choice is correct, please use pre-sales service Product Specifications Output: 19V 2.37A 45W Input: 100V-240V 50/60Hz 100V-240V 50/60Hz Connector size: 3.0*1.1 mm Package includes 1 x45W power adapter, 1 x power cord, and user manual Compatible Laptop Models compatible with Acer Aspire A514-52:A514-52-58U3 A514-52-52QT A514-52-799B A514-52-59UR A514-52-58U3 compatible with Acer Aspire A515-44:A515-44-R41B A515-44-R93G A515-44-R2SA A515-44-R41B A515-44-R4M5 A515-44-R2HP A515-44G-R83X compatible with Acer Aspire A515-46: A515-46-R14K compatible with Acer Aspire A515-54:A515-54-37U3 A515-54-59W2 A515-54-59ZD A515-54-55ZD A515-54-79J5 A515-54-51DJ A515-54-54G-54QQ A515-54-54-55AA A515-54-31XB A515-54-76TA A515-54-378V A515-54G-5928 A515-54G-797L A515-54G-70TZ A515-54G-53H6 A515-54-51DJ A515-54-56ST compatible with Acer Aspire A515-55:A515-55-75NC A515-55-588C A515-55-55-56UK A515-55-55-56VK A515-55-378V A515-55G-57H8 A515-55-576H A515-55-35SE A515-55-57A6 A515-55-78S9 A515-55T-59AD A515-55T-53AP compatible with Acer Aspire A515-56 56T：A515-56-32DK A515-56-765W A515-56-36UT A515-56-76J1 A515-56-50RS A515-56-73AP A515-56-36UT A515-56-74B9 A515-56-56-56DJ A515-56-55-55J8 A515-56-363A A515-56-54KJ A515-56-75B6 A515-56-51AE A515-56T-77PS A515-56T-574E A515-56 T-58lT compatible with Acer Aspire A517-52: A517-52-59SV A517-52-75NZ A517-52-530V A517-52-32AK A517-52-713G compatible with Acer Chromebook R11 C720 Series: C720 C720-2103 C720-2844 C720-2420 C720P-2600 C720P-2625 compatible with Acer Chromebook R11 C731 Series: C731-C8VE compatible with Acer Chromebook R11 C738T Series: C738T-C44Z C738T-C7KD compatible with Acer Chromebook R11 C740 Series: C740-C3PI C740-C4PE compatible with Acer Chromebook R11 CB3-111 Series: CB3-111 CB3-111-C19A CB3-111-C4HT CB3-111-C4T3 CB3-111-C670 CB3-111-C8UB compatible with Acer Chromebook R11 CB3-131 Series: CB3-131-C3SZ CB3-131-C3VC CB3-131-C3VC CB3-131-C3KD Compatible Part Numbers N15Q8, N15Q9, A13-045N2A, PA-1450-26,PA-1650-80, ADP-45FE F,PA-1650-80AW,A11065N1A, NP.ADT11.00F, AK.045AP.060, AK.065AP.034,KP.06503.007,NP.ADT11.008, KP.06503.005, NP.ADT11.00B