... Battery Charger for iPhone 4 1.with stand for iPhone 4s, 4g, 3gs, 3g, ipod 2.Led Power Indicators Mini External Battery Charger for iPhone 4 Features ... :1. External Battery with stand for iPhone 4s, 4g, 3gs, 3g, ipod 2 ... to 5 hours Dimension: 62x50x12mmCycle life: 500times Mini External Battery Charger for iPhone 4