KingSener L12S3F01 laptop battery 10.8V 3350mAh 36Wh 4-cell for Lenovo IdeaPad S210 S215 Touch

Replacement battery for IdeaPad S210 S215 Touch

This KingSener L12S3F01 lithium-ion battery is built for Lenovo IdeaPad S210 and S215 Touch laptops. It matches the original 10.8V 3350mAh 36Wh specification in a 4-cell black or white pack. The part numbers L12M3A01 and L12C3A01 are also covered. Buyers who need a higher capacity than 36Wh or a different voltage will not be served by this model.

Thermals noise and power draw

The battery uses Japanese cells and a quality PCB to deliver stable capacity and longer running time without false capacity claims. Normal use generates minimal heat and no audible noise because there are no moving parts. Power draw follows the laptop's own management; the pack simply supplies up to its 36Wh rating. Users who require active cooling or fanless operation for the battery itself have no such requirement here.

Upgrade from worn original and when to switch

This unit replaces a depleted or failing factory battery that no longer holds a useful charge. The jump is worth it when runtime has dropped below half of the original 36Wh or when the laptop shuts down unexpectedly under load. It restores the same 10.8V 3350mAh capacity as new. Owners who need extended runtime beyond the original design or a different form factor should look elsewhere.