Lenovo Battery SP/L L20M3PG3 11.52V47Wh3cell

Lenovo 5B11B90370 is a rechargeable lithium-ion battery pack for Lenovo laptops, intended for systems designed for this part. Its identifiers—model L20M3PG3 and Lenovo assembly number SB11B90371—help identify the correct battery for service or replacement. A distributor lists it as a three-cell pack.

It is rated at 11.52 V and stores 47 Wh of energy; Lenovo documentation lists its weight as 186 g. The pack is assembled from lithium-ion cells and may include a casing, protection circuitry, safety devices and interface terminals.

When the laptop is away from an external power source, the battery supplies stored electrical energy. Check the model and part numbers when identifying a battery assembly for a compatible system.