Battery Specification: 4 Cell standard Rechargeable battery , Voltage &Capacity :7.6V 62Wh Note : Those laptops can use NGGX5 3-Cell 11.4V 47Wh, 6MT4T 4-Cell 7.6V 62Wh, WJ5R2 6-Cell 11.4V 84Wh, their length are different . So please choose correct one before you buy it , it is better to open your laptop bottom case and check yours old original battery . 100% Brand 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 SANISI Concept: Customer is god , Product Quality and Service must be perfect ! We will let every customer feel satisfied . Package Contents: 1 pcs Brand New Battery , [ Note ]: longest Battery is WJ5R2 11.4V 84Wh , It work for Precision 3510 mostly . Warranty: Full Refund within 30 days , Replacement within 12 months ,anytime Email support Alternant Part Number:

6MT4T 7V69Y TXF9M 79VRK 07V69Y 451-BBUO 451-BBUN

Compatible Laptop Models:

DELL Latitude E5270 E5470 E5570 Precision 3510 Laptop