... Touch 1900mAh Emergency Power Pack for iPhone 4, iPhone 3G,3GS & iPod Touch 1900mAh Emergency Power PackDescription:The Emergency Power Pack ... ion rechargeable battery - Provides extra power for iPhone 4, iPhone 3G, iPhone 3GS, iPod Touch & More - Extends stand-by and usage time ... charger - Fully recharges in 4 hours for iPhone 4, iPhone 3G,3GS & iPod Touch 1900mAh Emergency Power Pack