Unlike a smartphone, a laptop computer will give you a lot more power. Since it’s a portable computer, it requires more battery power to perform its functions. Therefore, you can find a lot of battery types on the market today. With the help of a replacement battery, you can use your laptop for an extended period of time. Here, it’s important to keep in mind that batteries with a lot of capacity may not be a good fit for your laptop. Plus, they are a bit heavier than normal batteries, which makes them difficult to carry around.