This 11.1V 4400mAh Li-ion battery is a compatible replacement for Lenovo ThinkPad X121e. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Special Order - Non-Cancellable - Non-Returnable - Additional Lead Time May Be Required On This Item.
Included: One replacement battery pack.
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 11.1V |
| Capacity | 4400mAh |
| Chemistry | Li-ion |
| Energy | 48.84Wh |
| Dimensions | 206.90 x 55.20 x 20.50mm |
| Battery weight | 300g /10.58 oz |
Replacing your Lenovo ThinkPad X121e battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
Lenovo Thinkpad E120, ThinkPad X121e, ThinkPad X130e, Thinkpad X131e, Thinkpad X140e, ThinkPad Edge E120, ThinkPad Edge E125, Thinkpad Edge E130, Thinkpad Edge E135, Thinkpad Edge E145, ThinkPad Edge E320, ThinkPad Edge E325, ThinkPad Edge E330, ThinkPad Edge E335, Thinkpad Edge L330, ThinkPad E120 30434NC, ThinkPad E120 30434SC, ThinkPad E120 30434TC
Replacement battery numbers
Lenovo 0A36290, 0A36292, 42T4943, 42T4945, 42T4947, 42T4948, 42T4949, 42T4950, 42T4951, 42T4952, 42T4957, 42T4958, 42T4959, 42T4960, 42T4961, 42T4962, 45N1056, 45N1057, 45N1058, 45N1059, AM 42T4948, 3INR19-65-2, ASM 42T4948, ASM 42T4958, ASM 42T4960, ASM 42T4962, ASM 45N1058, FRU 42T4947, FRU 42T4957, FRU 42T4959, FRU 42T4961, FRU 45N1059