Owning a smartphone comes with its pros and cons. While it may be helpful in a lot of ways, one of its cons would be its battery life. At some point, we all might get tired of our smartphone's inability to hold charge. If so, you are not alone, as many platforms online are filled with people complaining about the same thing. As it turns out, there is a way in which you can increase the longevity of your battery, surprising us all. Recently, a battery scientist and engineering consultant, Jill Pestana–who goes by @jillpestana on TikTok–explained why people might not want to charge their phones to 100%.