It is possible to upgrade the internal battery...
Would an iPhone 5 run normally if the original battery was replaced by a 1624mAh Li-Ion Polymer battery for an iPhone 5SE? - Quora
Apple iPhone 5s vs 5c Comparison w/Features | HuffPost Impact
Bundle of (5) Apple iPhone 5s MIX COLOR & CARRIER *NO ICLOUD *READ DETAILS | eBay
Exchangeable Battery for iPhone 6S+/6+, iPhone 6S/6?
Photo report disassembling iPhone 5s and iPhone 5c and comparing with iPhone 5 - GIGAZINE
Stronger battery inside iPhone 5s/5c detailed
IPhone 5S & 5C Battery Replacement - How To : 9 Steps (with Pictures) - Instructables
Amazon.com: uowlbear 3150mAh Battery for iPhone 5s A1453 A1457 A1518 A1528 A1530 A1533 and iPhone 5c A1456 A1507 A1516 A1529 A1532 with Complete Replacement Kits 0 Cycle -High Capacity : Cell Phones
Apple iPhone 5c vs iPhone 5, a side by side comparison of what's new
iPhone 6 vs iPhone 6 Plus vs iPhone 5s: Full comparison (Video) - 9to5Mac
iPhone 5c vs iPhone 5s - Difference and Comparison | Diffen
Will the iPhone 5c battery fit in iPhone 5s? - YouTube
How to replace the battery in your iPhone 5s - iFixit Repair Guide
Difference Between The iPhone 5/5s/5c LCD and Digitizer Screens and Back Covers — Digital Supply USA
iPhone 5S vs iPhone 5C: which should you buy? | Trusted Reviews
iPhone 5s vs. iPhone 5c: A closer look
Gold, Graphite iPhone 5S shells shown on video, structure compared to iPhone 5 - 9to5Mac
The Metals Inside Your iPhone Are More Precious Than You Thought: Here's Why - CNET
iPhone 5c Battery Replacement - iFixit Repair Guide
Difference Between The iPhone 5/5s/5c LCD and Digitizer Screens and Back Covers — Digital Supply USA
![Key Differences Between the iPhone 4S and 'iPhone 5' Battery? [Photos] - iClarified](https://www.iclarified.com/images/news/24235/90822/90822.jpg "Key Differences Between the iPhone 4S and 'iPhone 5' Battery? [Photos] - iClarified")
Key Differences Between the iPhone 4S and 'iPhone 5' Battery? [Photos] - iClarified
iPhone 5c vs. iPhone 5s vs. iPhone 5 | Gadgets 360
Review: Apple iPhone 5c (Phone Scoop)
How To Replace Battery on iPhone 5, 5S, SE - YouTube
Difference Between The iPhone 5/5s/5c LCD and Digitizer Screens and Back Covers — Digital Supply USA
