Genuine Lenovo IdeaPad 100S Replacement Battery 5B10K37675 — 8400mAh 3.8V Li-ion

Brand new, genuine replacement battery for the Lenovo IdeaPad 100S (model 5B10K37675). Chemistry: Li-ion; Capacity: 8400mAh; Voltage: 3.8V. Designed as a direct OEM-equivalent swap to restore original runtime and compatibility with the IdeaPad 100S. Ideal for users needing a factory-new internal battery—ships ready for installation.