【Supreme Quality Material】: 4000mAh battery made with high quality lithium-ion polymer component
【Battery Compatibility】: Specially designed for Samsung Galaxy A30s , Samsung Galaxy A30, Samsung Galaxy A50 & Samsung Galaxy A20 phones and ideal as a replacement for your original battery
【Build With CE Standards】: Manufactured with European health, safety, and environmental protection (CE) standards
【Charging Safety】: Protection from moisture, over-charging and over-discharging
【Installation】: Installation by a professional technician is recommended