SPECIFICATION: Type: E7440 E7450 3RNFD, Rating: 7.4V, Capacity: 47Wh, Battery type: A+ 4-cell / Lithium-ion, 100% brand new from manufacture. Grade A cells ensure fast charges and low power consumption. Each of our 6MT4T battery for Dell Latitude is CE-/FCC-/RoHS-Certified. COMPATIBLE LAPTOP MODELS: Compatible for Dell Latitude 14-7000 E7440 E7450 E7420 7450 7440 7450 7420 Battery Ultrabook 7000 Series Notebook Battery. COMPATIBLE PART NUMBERS: Compatible for Dell Latitude 451-BBFT 451-BBFY F38HT V8XN3 G95J5 7420 909H5 5K1GW OG95J5 GOG2M E225846 GOG2M TI9VW OG95J5 5KIGW 7440 34GKR 3RNFD PFXCR 05K1GW G95J5 GV7HC 0GV7HC X7JK1 0D47W C8GC5 KR71X MGH81 XJ8TX CKCYH KKNHH XM2D4 Battery. SECURITY & RELIABILITY: Our E7440 E7450 3RNFD Batteries for Dell 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