This high-quality back-up battery is a must-have for any iPhone 3G or iPod owner. With its sleek black design, it is both stylish and practical, ensuring that your device will never run out of juice when you need it the most. Made by Celltronix, a trusted brand in the industry, this battery is compatible with Apple devices, specifically for iPhone 3G models.

Whether you're constantly on the go or need a reliable source of power during a long day, this back-up battery will provide you with the energy you need. Simply plug it in and enjoy the peace of mind that comes with having a fully charged device. Don't let a dead battery ruin your day - add this back-up battery to your collection of essential accessories today.