Lenovo Battery Internal 3Cell 52.8Wh LiIon

Lenovo 5B11A14635 is an internal lithium-ion battery that serves as a laptop’s onboard energy source. Lenovo documentation identifies the pack as SB11A14634, model L20L3P71.

The pack has three cells and a listed capacity of 52.8 Wh; Lenovo’s safety data sheet gives the rounded figure of 53 Wh. Both values describe stored energy, not output power. The same document lists a voltage of 11.61 V and a weight of 211 g.

These identifiers and specifications help distinguish this specific Lenovo battery part when cataloguing it for laptop battery service. They do not establish compatibility with particular laptop models.