New Apple Iphone 6 4000mah External Rechargeable Spare Backup Extended Battery Charger Pack Case Cover (Black) Case for phone 6 with External battery 4000mAh Power iphone6 standby time twice with high capacity WITHOUT removing battery cas Input 5V 600mA/h Output 5V 600mA/h Protects your iPhone 6 from the sides and bottom Nice finish protection