Premium Tianyi Smartphone Battery – Ultimate Power Solution
High-capacity lithium-ion battery engineered for seamless compatibility with iPhone 4/4S to 14 Pro Max models. Precision-crafted with advanced polymer cells for enhanced energy density and extended lifespan (500+ full charge cycles). Multilayer PCB protection ensures overcharge/overheat prevention, while ultra-thin design (0.2mm shock-absorbent casing) maintains sleek device profiles. Ideal for travelers, gamers, and professionals needing all-day reliability. Factory-direct pricing with bulk discounts – OEM-grade quality at wholesale rates. Ships globally with certified safety standards (CE/FCC/RoHS). Upgrade with confidence.