Battery Specification: 4-Cell Lithium-ion , Voltage &Capacity:7.6V 68Wh ,Also Can Replace 3DDDG 11.4V 42Wh 3-Cell Battery and 93FTF 11.4V 51Wh 3-Cell Battery , Note: It can't work for DELL Latitude 5290 2 in 1. GJKNX 's size is longer than 93FTF and 3DDDG. Warranty: Full Refund within one month , Replacement freely within 12 months 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: Every Customer is god , we test every battery at actual laptop ensure product quality must be perfect! We will let every customer feel satisfied Package Contents: 1 pcs Brand New Battery