Home » Solar Hacks Corner » Can You Overcharge Laptop?

Can You Overcharge Laptop?

Maya Lin-Takahashi • • 8 min read
Can You Overcharge Laptop?

You Can't Overcharge the Laptop's Battery
There's no way to “overcharge” these batteries. ... The laptop will just run directly off the power cable. After the battery discharges a bit, the charger will kick into gear again and top the battery off. There's no risk of damaging the battery by charging it over its capacity.

Is it bad to leave your laptop plugged in all the time?

Most laptops use lithium-ion batteries. ... Once your battery is charged to full capacity, it will simply stop charging, so keeping your laptop plugged in will not cause any issues to your battery.

Is it OK to overcharge my laptop overnight?

In theory, it's best to keep your laptop battery charge between 40 and 80 percent, but more charge cycles also affect its lifespan. Whatever you do, your battery will wear out and lose its charging capacity in the long run. ... It is definitely not optimal to leave your laptop plugged in overnight.

Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.