Professional Replacement Battery: Precision-engineered by Mechanic for Samsung Galaxy Z Flip 4 (SM-F721) to restore original power balance and battery health to 100%.
True 1040mAh Capacity: Built with premium high-density lithium-ion cells to provide stable voltage synchronization with the primary battery module.
Integrated Smart Protection: Features built-in smart circuitry that safeguards against overcharging, unbalanced discharge, and overheating under fast-charging conditions.
Maximum Safety & Stability: Tailored specifically for the upper folding housing to ensure perfect fitment and thermal stability without compromising device safety.
Reliable Mechanic Quality: Crafted to strict quality-control standards to give your foldable smartphone a fresh, long-lasting life cycle.
1-Year Warranty: Full replacement warranty included.