Lenovo 5B11C94112 is a two-cell replacement battery for a compatible notebook, identified by model code L20M2PF8. It provides portable power when the computer is used away from an outlet; check that the notebook uses this battery model before choosing it.
Its rated voltage is 7.68 V and capacity is 38 Wh. The distributor identifies the chemistry as lithium-ion, and Lenovo lists the weight as 149 g. These specifications refer to this particular two-cell version and part number.
The FRU and model code help identify the correct component for parts records and service work.