Either your laptop is mac or dell or etc, it will obviously be damaged if you do not consider of saving the life of your laptop battery. Here are the reasons that cause decreasing of your laptop's battery life.
- If you do not charge before your battery until reach on critical situation, this can damage your battery's life.
- If you overcharge your battery, this also causes to damage your battery. So do not overcharge your laptop or smartphones batteries. People usually use laptop in their bed and they got asleep without shutting down the laptop
- Turn Off your laptop at least 6 hours per day. Batteries also have its duration. It works until it reaches on warranted times. After that, it slightly stop working properly.
- Do not use your batteries on any other devices like friend's laptop etc because a specific battery is only made to a device that is why other device may not support which not only causes damage of your smartphones but also can destroy your battery life.