iPhone 4 may last you a few hours when you are spending time on the road talking but it never hurts to have a backup solution just in case things go wrong. Nothing is more frustrating than needing your phone and not having a way to keep it charged up. Those of you who are planning to spend some time on the road are better off picking up a backup battery for your iPhone 4. Backup batteries let you enjoy your device for longer on the go. These 5 iPhone 4 batteries let you do just that:
New Trent ultra-pack IMP880 8900mAh for iPhone 4: works for iPhone and iPad. Adds 50 hours movie time for iPhone 4 and 20 hours movie time for 3G iPad. It’s pretty light too.
MiLi Power Spring 4 HI-C23 External Battery Case: a battery / case hybrid solution for iPhone 4 that protects your device and adds 36 additional hours of audio play to your device.
splash Backup Battery Pack for iPhone 4: a compact 1900mAh solution that is compatible with all iPhone units and adds additional 7 hours of talk time (3G) to your iPhone.
Acase(TM) Aegis Power External Battery Case: a 1700mAh battery for iPhone 4 that lets you have more fun with your iPhone and protects your device too.
TruePower iV Pro iPhone Backup Battery: designed specifically for iPhone 3G but works with iPhone 4 too. Offers 3100 mAh in battery capacity.
Which iPhone backup battery do you own?