Welzone Mobile Battery For Nokia Lumia 640XL RM-1096 RM-1062 RM-1063 RM-1064 RM-1066 Lumia 640 XL [ BV-T4B ]

New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you'll never have to condition your battery again! 2. All talk and standby times are approximate, depending upon carrier's network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as noted above. 3.Customer satisfaction is our top priority. If you are not satisfied do not leave negative feedback in retaliation for a defective product or something you were not expecting. Please just contact us through Flipkart messages and we will quickly resolve the matter.