Revive your laptop battery life with a new ASUS K53U battery. You can expect around 3 to 5 hours of battery life when new. You can get even longer life by dimming your screen brightness and closing unused programs.
This Asus K53U battery is compatible with the Asus K53B, K53E, K53F, K53J, K53S, K53T and K53Z laptop models. It replaces the Asus A41-K53, A31-K53, A32-K53 and A42-K53 battery part numbers. Additional compatible models and part numbers are listed below. Don't see yours? Go to our Asus battery page for the complete list.
Our Asus K53U batteries are designed specifically to meet the original Asus battery specifications and is individually tested and backed by a 2 Year warranty.
If your Asus K53U has a 2600 mAh battery with a rating of 14.4 volts, you can still use this higher capacity battery which has a rating of 11.1 volts. Your AC power cord provides 19 volts of power from the wall, your laptop only needs 10-11 volts of power to run. The added voltage enables your laptop to run as well as have the battery recharge at the same time.
