Battery Type : 4-Cell Li Polymer Best Quality , Voltage &Capacity :7.4V 52WH or 7.6V 52WH Extended life High Capacity
Warranty: Full Refund within 30 days , Replacement freely within 365 days ,24hours x 7days email support
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