Stay unplugged longer with Ideapad 6 Cell Li-Ion Battery. This rechargeable Li-Ion battery can replace the original system battery or be used as a spare. Battery life (and recharge times) will vary based on many factors including screen brightness, applications, features, power management, battery conditioning and other customer preferences.
Trouble shooting steps :
Lenovo laptop comes with setting to increase the life of battery, it automatically activated once battery is changed. Please follow below steps:
1. Open Lenovo Energy Management from your system tray
2. Run Battery repair test
3. Then choose "Maximum battery life"
Then battery can be recharge your up to 100%.