Welcome to the gsmarena battery life tool.
Cell phone battery tester.
Cell phones are powered by batteries which must be recharged every so often.
This page puts together the stats for all battery life tests we ve done conveniently listed for a quick and easy comparison.
Battery testers help you manage or service your energy supply by letting you know how much life is left in each battery.
The thing is there isn t an easy or built in way to check your battery health on android.
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After a while the battery in your cell phone may no longer hold a charge.
Review battery health through a dialer code.
Battery life test results.
Battery health is a big deal perhaps now more than ever with the whole iphone slowdown debacle.
Android has a few hidden codes that you can punch into your phone app to access testing menus.
Step 3 identify the two terminals on the battery that are labeled with a and a sign.
Step 2 remove the battery and set it down on a flat surface so the terminals are facing you.
One of these displays a variety of info about your device including the battery health.
While that in itself doesn t necessarily have any bearing on android phones keeping your device s battery health in mind is never a bad idea.
It s normal for some phones to lose a few percentage points of battery charge right away at least according to the battery gauge but a drop of 10 or more is a sign of a problem.
These devices are great for cameramen film producers and anyone who uses a large number of batteries as you can keep a healthy battery charged by gauging it regularly and charging it as needed.
If this happens you will need to replace the battery.
There is a way to test whether your battery has a strong charge a functional charge or no charge at all.
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Step 1 turn off your cell phone and open up the battery compartment.