What’s a battery life? A quick primer

An important point to keep in mind when considering the battery life of your next cellphone: While you can expect to get the same performance out of a battery pack with as little as two or three years of use, it’ll take you about six months to get to that point.

You’ll need to use a phone with good battery life, too, which means your phone should be able to keep you through the year.

We’ve found the following battery life information to be useful: iPhone 7: Up to 4.4 hours with an iPhone 7 Plus battery