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Extend iPhone battery life with these 7 tips and tricks - 9to5Mac
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![Five Easy Ways To Master Battery Life In iOS [Feature] | Cult of Mac](https://cdn.cultofmac.com/wp-content/uploads/2013/06/Battery-Usage.jpg "Five Easy Ways To Master Battery Life In iOS [Feature] | Cult of Mac")
Five Easy Ways To Master Battery Life In iOS [Feature] | Cult of Mac
iPhone 4S Battery Life (Real-World Tests): EveryiPhone.com
