The battery is the most important component in your smartphone, because if the battery isn’t working, nothing else can. With the right sort of care and attention, you can make sure your battery stays charged for longer—and lasts longer overall, as well. There is good news, which is the lithium-ion batteries inside today’s phones are more reliable, longer-lasting, and safer (well, mostly) than ever before. That said, we’ve got some tips for keeping them healthy and happy. Read the story.