SYR-New 5200mAh polymer electric core External Pack Battery Power Bank Charger Case Cover for Galaxy S7 edge (Rose gold) 5200mAh External Pack Battery Power Bank for Galaxy S7 edge Fast Charging Portable Charger protects your Galaxy S7 Edge from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket Powerful 5200mAh Li-polymer rechargeable battery case can effectively provide 100%+ extra battery life for your Galaxy S7 Edge, which is equivalent to add 30 hours talk time or 13 hours web browsing time. The batteries use Grade A+ batteries with CE and RoHS certification. Internal chips also protect your smart phone from overheating,short-circuiting,over charging,and discharging! Package including:1 * Protective Battery Case for Samsung Galaxy S7 Edge