Battery Tech Replacement Battery for THINKPAD E14 GEN 4 (21EB / 21EC)

Battery Tech replacement compatible with Lenovo THINKPAD E14 GEN 4 laptops — fits models 21EB and 21EC. Compatible part numbers and OEM references: 5B10X02606-BTI, 5B10X02606, L19M3PD5, SB10X02591, 5B10X02594, L19D3PD5, SB10X02605, 5B10X02600, L19C3PD5, SB10X02597, 5B10X02603, L19L3PD5, SB10X02608. Ideal as a direct swap for E14 GEN 4 units; check your device’s part label to confirm compatibility with any of the listed numbers before ordering.