Replacing a laptop battery can take anywhere from one to three hours, depending on the situation. Generally, a well-made battery will last for two to four years, or around 1000 charge cycles. After this period, it is best to have it replaced with a new one. If you need a new battery, check your laptop's warranty to see if you're eligible for a free replacement.When a laptop shuts down suddenly, especially when it's mostly or fully charged, it could be a sign that the battery is faulty.
If you notice that your laptop is taking longer than usual to charge or if it doesn't charge at all, the battery is likely the cause. In this case, it's best to take your laptop to the store for proper diagnosis and to check that it really is the battery that needs to be replaced.If the laptop battery is broken or the laptop looks swollen near the keyboard or touchpad, it means that the battery is swollen. In this case, Apple may replace the entire top cover with a renewal platform equipped with a new battery, keyboard and touchpad.In conclusion, if you're someone who uses a laptop while traveling, it's important to replace the battery when necessary. Both Windows and Mac OS have features that notify you when the laptop's battery needs to be replaced.