This Battery Is Compatible with LG Nexus 5 BL-T9 With Warranty
For Batteries It Is Compulsory That After Receiving The Battery Put Into Your Phone And Plug Into Charge For 3-5 Hours Continuous Charge In Switch Off Mode For First Time Not Less Than And Not More Than That. And After That Charge You're Mobile Normally
After 3-5 Full Charge-Discharge Cycle Battery Gives Their Full Backup.