**Please check compatibility with your laptop carefully as laptop models do vary.**Ensure you have the correct Tip Size, Output Voltage and Amp Rating from your previous charger.The AC power adapter enables you to operate your Acer or charge the battery from electrical power outlets.If you are running your computer on AC power with a battery installed, the adapter charges the battery ( if needed ) and maintains its charge.Tip Size: 5.5 x 1.7 mmOutput: 19V 3.42AUK Three-Pin Plug Power CordHigh quality replacement laptop charger designed to work identically to your original adapter. Guaranteed to meet or exceed the specifications of the original and ensure that they comply with strict UK and EU regulations. The package is sealed for protection against moisture, humidity and contamination.You could also use it as a spare AC adapter so you can charge your laptop at work or elsewhere without having your original AC adapter with you all the time. Laptop chargers can be used in any country throughout the world as long as you have a suitable power cable; Included a free UK power cord with every charger we ship. Manufactured to strict and stringent quality standard certificates: CE, RoHS, etc.Box contains:1 x compatible charger unit1 x power cableCompatibility:Acer Aspire 1640, Acer Aspire 3620, Acer Aspire 3680, Acer Aspire 3690, Acer Aspire 3935, Acer Aspire 4315, Acer Aspire 4330, Acer Aspire 4520, Acer Aspire 4530, Acer Aspire 4535, Acer Aspire 4540, Acer Aspire 4720,Acer Aspire 4730Z, Acer Aspire 4736Z, Acer Aspire 4930 Acer Aspire 5050, Acer Aspire 5100, Acer Aspire 5315, Acer Aspire 5320, Acer Aspire 5330, Acer Aspire 5335, Acer Aspire 5515, Acer Aspire 5516, Acer Aspire 5517,Acer Aspire 5520, Acer Aspire 5530, Acer Aspire 5532, Acer Aspire 5535, Acer Aspire 5536, Acer Aspire 5542, Acer Aspire 5570, Acer Aspire 5570z, Acer Aspire 5715Z, Acer Aspire 5720Z, Acer Aspire 5730Z, Acer Aspire 5732Z, Acer Aspire 5735, Acer Aspire 5735Z, Acer Aspire 5738, Acer Aspire 5738DG, Acer Aspire 5738G, Acer Aspire 5738PG, Acer Aspire 5738Z, Acer Aspire 5738ZG, Acer Aspire 5740 Acer Aspire 5920, Acer Aspire 6530, Acer Aspire 6920, Acer Aspire 6930, Acer Aspire 6935, Acer Aspire 7530, Acer Aspire 7535, Acer Aspire 7540, Acer Aspire 7730, Acer Aspire 7730Z,Acer Aspire 7735, Acer Aspire 7735Z, Acer Aspire 7736, Acer Aspire 7736Z, Acer Aspire 7740, Acer Aspire 9400Acer Extensa 4220 5220 5235 5332Acer Aspire One 721Emachines D727 E430 E440 E442 E510 E520 E525 E527 E528 E620 E627 E628 E630 E640 E640g E642 EM350