|iPhone 4S vs iPhone 4 Battery|
The faster that data speeds move from 3G, 3G CDMA, 3G HSPA+ to LTE the faster your battery will drain. The faster cell phone networks are delivering data to your phone, the more power your phone will require. Many iPhone users claim they need to charge their phone multiple times per day and the charge only lasts for a few hours.
All fast data speeds phones have a similar problem but here is a list of smartphones with the longest battery life. We also recommend purchasing an iPhone battery case charger to protect your phone and also extend the battery life. We also recommend turning off WiFi when you are not using it.
Smartphones with the Longest Battery Life
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