Specification:Battery type: Li-PoCell: 6 Cellsrecharge cycles： 500Operation time: Around 2-3 hoursCompatible Models：( Ctrl + F for fast search ur laptop model)For DELL Audi A4 SeriesFor DELL Audi A5 SeriesForDELL Audi S5 SeriesForDELL Inspiron 14R SeriesFor DELLInspiron 14R-4420For DELLInspiron 14R-5420For DELLInspiron 14R-5425For DELLInspiron 14R-7420For DELLInspiron 14R-SE-4420For DELLInspiron 14R-SE-5420For DELLInspiron 14R-SE-7420For DELLInspiron 14R-SEFor DELLInspiron 14R TurboFor DELL Inspiron 15R SeriesFor DELLInspiron 15R-4520For DELLInspiron 15R-5520For DELLInspiron 15R-5525For DELLInspiron 15R-7520For DELLInspiron 15R-SE-4520For DELLInspiron 15R-SE-5520For DELLInspiron 15R-SE-7520For DELLInspiron 15R-SEFor DELLInspiron 15R TurboFor DELL Inspiron 17R SeriesFor DELLInspiron 17R-4720For DELLInspiron 17R-5720For DELLInspiron 17R-7720For DELLInspiron 17R-SEFor DELLInspiron 17R-SE-4720For DELLInspiron 17R-SE-5720For DELLInspiron 17R-SE-7720For DELLInspiron 17R TurboFor DELLInspiron 4420 SeriesFor DELLInspiron 4520 SeriesFor DELLInspiron 4720 SeriesFor DELLInspiron 5420 SeriesFor DELLInspiron 5425 SeriesFor DELLInspiron 5520 SeriesFor DELLInspiron 5525 SeriesFor DELLInspiron 5720 SeriesFor DELLInspiron 7420 SeriesFor DELLInspiron 7520 SeriesFor DELLInspiron 7720 SeriesFor DELLInspiron M421R SeriesFor DELLInspiron M521R SeriesFor DELLInspiron N4420 SeriesFor DELLInspiron N5420 SeriesFor DELLInspiron N5520 SeriesFor DELLInspiron N5720 SeriesFor DELLInspiron N7420 SeriesFor DELLInspiron N7520 SeriesFor DELLInspiron N7720 SeriesFor DELLVostro 3460 SeriesFor DELLVostro 3560 SeriesFor DELLLatitude E5420E5420 N-SeriesE5430E5520E5520 BRC 6E5520 N-SeriesE5520mE5530E6420E6420 N-SeriesE6430E6430 ATGE6520E6520 N-SeriesE6530Compatible Part you can give us positive response as soon as you receive the goods, we would be very grateful.2、Because your response is very important to the development of our business. If you are satisfied with our products and services, we sincerely invite you to leave us positive response.3、If you are not satisfied, you really want to leave us negative response, please wait a moment, please contact us first, we will definitely solve your problem and make you satisfied.4、Even if something is beyond our control, we will do our best to solve it. We don't want to give you a bad buying experience.