Lenovo Battery Internal 4 Cell 46Wh LiIon CXP

Lenovo 5B11H56424 internal lithium-ion battery is a rechargeable replacement part for select Lenovo laptops. Its 46 Wh capacity stores energy for laptop use away from mains power, and its four-cell assembly is designed for installation inside a compatible laptop.

Lenovo documentation identifies the battery model as L21C4PG1 and associates FRU 5B11H56424 with assembly number SB11H56325. These identifiers help distinguish this specific component. Compatibility is limited to select Lenovo laptops; no particular models are established in the available description.

With lithium-ion chemistry and four cells, this internal battery serves as the laptop’s onboard power source during mobile use or when mains power is unavailable.