AMD Ryzen 5 4500U. Batteries are not covered in any warranty. Windows 11. These machines are usually high specification models, and will have been regularly and professionally maintained, having many more years of hard work ahead of them.
ZAHARA for Lenovo ThinkPad E14 GEN 2/ E14 GEN 3/ E14 GEN 4/ E15 GEN 2/ E15 GEN 3/ E15 GEN 4 USB c TypeC DC JACK Charging Port Connector
AKKEE 45Wh L19M3PD5 L19L3PD5 Laptop Battery for Lenovo ThinkPad E14 Gen 2 / E14 Gen 3 / E14 Gen 4 / E15 Gen 2 / E15 Gen 3 / E15 Gen 4 L19C3PD5 L19D3PD5 SB10X02591 5B10X02606 SB10X02597
L20C3PD4 L20D3PD4 L20M3PD4 L20L3PD4 L19D3PD5 L19C3PD5 L19M3PD5 Laptop Battery Compatible with Lenovo ThinkPad E14 Gen 2 / E14 Gen 3 / E14 Gen 4 / E15 Gen 2 / E15 Gen 3 / E15 Gen 4 Series(11.52V 57Wh)
PUGASR L19M3PD5 L19C3PD5 Laptop Battery for Lenovo ThinkPad E14 Gen 2 / E14 Gen 3 / E14 Gen 4 / E15 Gen 2 / E15 Gen 3 / E15 Gen 4 Series L19D3PD5 L19L3PD5 L20C3PD4 L20L3PD4 L20M3PD4 45Wh
HSSDTECH CR2016 CMOS Battery Replacement for Lenovo ThinkPad E14 Gen 6, E14 Gen 7, ThinkPad E16 Gen 2, E16 Gen 3 CMOS Battery
HSSDTECH CR2016 CMOS Battery Replacement for Lenovo ThinkPad E14 Gen 6 21M7 21M8 21M3 21M4, E14 Gen 7 21T0 21T1 21SX 21SY 21T9 21TA 21U2 21U3, E16 Gen 2 21M5 21M6, E16 Gen 3 CMOS Battery