GPDesign PowerBank 5000mAh is an ultra-high-capacity pro PowerBank designed for both outdoor occasions and everyday scenarios when your devices are hungry for extra power. Ready to use fresh out of the box, this charger can charge your smartphone 2 full times and recharges in only 4 hours. More durable than ever, the housing of the charger employs military-grade aircraft aluminium, and is tested to withstand extreme impact. Coupled with its grip-friendly and waterproof exterior, you will never be caught short on your roughest adventures. Keep your devices powered reliably with ease all thanks to its 7-safety protections, keeping your devices safe from over current, over charging, short circuits, over-heating and other possible hazards.