Lenovo ThinkPad Battery 46Wh (5B10W13935) — New Genuine for 20R5 & 20R6

Brand-new, genuine Lenovo replacement battery designed for ThinkPad models 20R5 and 20R6. This OEM unit delivers 46Wh of capacity and matches part number 5B10W13935 for a direct fit and compatible performance. Ideal as a factory-spec swap to restore original battery life and reliability.