Power Specs: Battery Type: Li-polymer Voltage: 7.6V Capacity: 60Wh; The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. Replace Part Number: K5XWW 6CYH6 71TG4 725KY N18GG 451-BBZC CFX97. Compatible Laptop Models: Dell Latitude 13 7389 Series, Latitude L3180 Series,Latitude P29S P29S001 P29S002 Series,Dell N003L7390-C-D1606FTCN N012L7390-C-D1706FTCN Series, Latitude 5289 2-in-1 Series Latitude E5289 2-in-1 SeriesLatitude 7389 2-in-1 SeriesLatitude 7390 2-in-1 SeriesNOTE:These model NOT Copatible with Dell Latitude 7390. Security & Reliability: Our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 100% New from Manufacturer, Overcharge and Overdischarge Circuit Protection, Over-temperature and Short-circuit Protection, up to 500 recharge cycles over the life of the battery, meet OEM standard. Warranty & Support: Full refund in 30