Otherwise, you can find collection centers in your area thanks to Call2Recycle, which is actively supported by Samsung. Your carrier can also help dispose of those bad batteries.

The safest way to get rid of them is to recycle them, which many electronics stores have collection programs for. Tossing a battery in the trash will probably be your first instinct once you find out it's bad, but it actually may be illegal, depending on which state you live in.

Other hardware-intensive activities like Wi-Fi tethering or heavy data transfer.

Using faulty third-party chargers or cables.

Leaving your phone in a hot car, or directly in sunlight.

This cycle can repeat and repeat, causing the battery to go through unnecessary temperature changes. Especially in its twilight years (or months), a weakened battery can sit at 100% on a charger, slightly deplete back to 99%, then charge back up to 100%. While overcharging the battery is next to impossible thanks to protective onboard circuitry, lithium-ion cells still generate heat while charging.

Leaving your phone on the charger for too long.

Playing graphic-intensive games for long periods of time, with the screen brightness turned up.

Overheating the battery can happen any number of ways, including, but not limited to:

Gases form, bulging the battery from the inside, and reducing its capacity to hold a charge. Exposure to high temperatures for extended periods of time can cause harmful chemical reactions within the battery to occur. How Do Batteries Bulge?Ī lithium-ion battery's worst enemy is heat. The spin test is great for catching battery swelling before it gets bad enough to damage your phone, or even result in personal injury. The more visible the bulge is, the sooner you should replace it, as it can expand even more and potentially start leaking. Spinning battery, revealing that it has a bulge, and needs to be replacedĪ spinning battery means it has a bulge, which may or may not be visible to the naked eye.

How to remove samsung s7 battery