iPod and iPhone Battery Backup is a portable battery capable of giving your iPod or iPhone additional 5 hours of talktime, 20 hours of music time or 250 hours of standby time perfect if you’re stuck in the middle of nowhere or if you need some extra assurance that you’ll never miss that important call again.
iPod and iPhone Battery Backup features a rechargeable Li-ion polymer battery with hand test function that shows you how much juice is left plus it allows you to recharge the backup battery using a USB cable, this means you can attach your gadget so that both can be recharge at the same time.
- £28.99 ($41.04) at findmeagift
most cheap USB Cables are not very durable and it can cause errors in data transfers too..
you can always tell the quality of USB cables by looking at the thickness of the cable. thicker usb cables have higher quality.