Want an iPhone 4 Power Spring that doesn't leave your pockets bulging? What would you say to your iPhone lasting an extra 6 hours without a charge? Imagine Angry Birding and hot-spotting it all day without worrying about running out of juice - very nice.

The good folks over at Huddlebuy have partnered with Pocket-lint to give away ten 2000mAh MiLi Power Springs - specially designed for the iPhone 4. The MiLi Power Spring Case and Extend Battery Pack will get your juices flowing with an additional 360 standby, 6 hours surfing and 6 hours talk time.

Think you stand no chance of winning? Don't worry - we've kind of "rigged it" for you. Just see below!

1. Head over to the competition page at huddlebuy.com and enter your email.
2. You'll get a unique url that you can use to increase your chance of winning.
3. Refer a friend via your unique url, and if they enter you'll get a bonus point that'll put you ahead of the pack.
4. Start sharing your url across Twitter, Facebook and all your social networks and encourage your friends to sign up. The more sign-ups you drive, the better your chances of winning!
5. Follow Huddlebuy on Twitter or Like them on Facebook to find out who the winner is.

P.S. This competition ends on 11 November 2011 so get going and enter!