How Long Should Cell Phone Batteries Last. But todays smartphones have gotten much more power efficient and are lasting 89 hours screen on time or 2 days worth of battery depending on how you use it. In a perfect world you cell phone battery would last the life of your phone.
Instead batteries slowly degrade over time. Most owners of these phones are reluctant to purchase new phones because of. Battery Capacity Decreases Over Time A battery doesnt just go from good one day to bad the next.
All cell phones depend on a lithium ion battery to operate.
In a perfect world you cell phone battery would last the life of your phone. After that the battery capacity will drop by roughly 20. Usually the standard for a flagship phone is about 4 hours screen on time maybe 8 hours average. Ad Save 10 with Free Store Pickup.
