Battery Life on the iPhone 4 Lasts 38 Hours on heavy use. Yes, 38 hours!
Incredible Battery Life - Apple's iPhone 4: Thoroughly Reviewed
Trick to improve Battery life on Apple iPhone 4S - YouTube
Extend iPhone battery life with these 7 tips and tricks - 9to5Mac
iPhone 4 Gets Nearly Double the Battery Life of Some Android Phones
Testing the iPhone 4S' battery life - CNET
![Apple iPhone 4S battery test is complete, here go the results [TEST]](http://cdn.gsmarena.com/pics/11/11/iphone-4s-battery-life/gsmarena_002.jpg "Apple iPhone 4S battery test is complete, here go the results [TEST]")
Apple iPhone 4S battery test is complete, here go the results [TEST]
Battery Life and Conclusion - Verizon iPhone 4: Thoroughly Reviewed
iPhone Battery Life Saving Tips You Don't Know About! - YouTube
Battery Life and Conclusion - Verizon iPhone 4: Thoroughly Reviewed
Apple's iPhone 4: Thinner, better battery life, HD video - ARN
The latest iPhone 15 rumors may be hiding a key upgrade in plain sight | Macworld
iPhone 4 in India for Rs 34,000 - BusinessToday
My Fold 4 battery life is ridiculously good, 9 hours 24 minutes screen on time 😎 : r/GalaxyFold
iPhone 6 battery life extended to 36 hours with Battery Case mod - PhoneArena
iPhone 4S Battery Life (Real-World Tests): EveryiPhone.com
The iPhone SE 2020 vs SE 2016 battery capacity revealed, same battery life as iPhone 8 - PhoneArena
Only 4 hour battery life?!?!? - Apple Community
Which iPhone Has the Best Battery Life? - Alvaro Trigo's Blog
iPhone 4S Battery Life Worse for 3G Data and Media as Compared to iPhone 4 - MacRumors
iPhone 12 series battery life revealed: Here's how they compare with all the previous iPhones - PhoneArena
![fluff] the iPhone 5 on iOS 6 has such good battery life as I've been using it for music for an hour and it's only dropped 1% : r/LegacyJailbreak](https://i.redd.it/q9sc3ahm59e61.jpg "fluff] the iPhone 5 on iOS 6 has such good battery life as I've been using it for music for an hour and it's only dropped 1% : r/LegacyJailbreak")
fluff] the iPhone 5 on iOS 6 has such good battery life as I've been using it for music for an hour and it's only dropped 1% : r/LegacyJailbreak
iOS 15.4 Battery Drain Test Video Reveals Significant Improvement on Older iPhone Models
The Whole Sad History Of iPhone Battery Life, In 1 Chart | HuffPost Impact
iPhone 4S: why has standby time dropped? | Technology | theguardian.com
