Tlida Replacement B-G7 for Vivo Z5X/Y3/Y11/Y12/Y15/Y17 Wholesale Factory Mobile Phone Battery. Original Capacity Battery: Ensures long standby time and stable performance for Vivo devices. Comprehensive Certifications: Certified with CE, FCC, GS, PSE, Rosh, and GB18287-2000 standards. Fast Sample Production: Sample production time can be as fast as 7 hours. 12 Months Warranty: At least 12 months warranty since shipment with free replacements for defects. OEM and ODM Support: Full customization options available including from samples and designs. 100% Quality Inspection: Every finished product undergoes visual and functional inspection. 24/7 Online Service: Response within 10 minutes with free sample and design services. Flexible Customization: Supports minor, full, and flexible customization based on customer needs.