built-in lithium polymer battery chip, more than doubles your Phone's battery life and never worried about your Phone ran out of battery in daily life. it's portable charging anytime and anywhere. perfect for traveling, camping, business trip or other outdoor occasions. High Capacity Last Longer】Equipped with a powerful 42➤

➤【Safe Charging and Protective Design】was charging and protecting double function, well-made hard case with 360 degree protective bumper design, protect your Phone from scratches or other daily wear and tear. certificated by CE, FC and RoHS. high-quality polymer batteries and safe circuit diagram design, internal chips to protect your smart phone from overheating, short-circuiting, over charging, and discharging.