Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery. Specification: Battery type: Li-ion Voltage: 11.1V (Compatible with 10.8V) Capacity: 5200mAh Cell: 6 Cells recharge cycles： 500 Operation time: Around 2-3 hours Compatible Models：( Ctrl + F for fast search ur laptop model) For Dell Latitude D531 / D531N / D820 / D830 For Dell Precision M4300 / M65 / M65 Mobile Compatible Part Numbers： 0MM160 / 310-9122 / 310-9123 / 312-0393 / 312-0394 / 312-0401 / 312-0402 / 312-0537 / 312-0538 / 451-10308 / 451-10309 / 451-10326 / 451-10327 / 451-10410 / 451-10411 / CF623 / CF704 / CF711 / DF192 / DF230 / DF249 / FF231 / FF232 / GX047 / MM165 / XD735 / XD736 / XD739 / YD623 / YD624 / YD626.
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