How To Tell Iphone Battery Is Bad. The only way to tell if the iPhone battery is completely dead at this point is to connect the phones charger and look for a battery icon. Owners of several iPhone models have been complaining that batteries were draining rapidly on phones that were updated to the most recent version of.
The battery life is much shorter than before and you feel tired of charging your iPhone. Compared with older generations of battery technology lithium-ion batteries charge faster last longer and have a higher power density for more battery life in a lighter package. This equates to roughly 14 to 18 months of optimal battery usage after which things can start to change.
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While a calibration problem could be to blame which is easy to resolve with a full charge and a soft reset shutting down all of a sudden is more likely due to a worn battery. According to Apple the iPhone 6s battery maintains 80 percent of its capacity for up to 500 charging cycles. Ad Bring Your Device To Our 700 Stores Get 10 Off When You Schedule Your Repair Online. Even if your battery is fully charged the capacity is what you should pay attention to.
