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Main image of 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 2 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 3 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 4 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 5 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 6 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

Alt view image 7 of 7 - 45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

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45N1040 45N1041 0A36310 43 3-Cell 42 Ultrabay Battery for Lenovo Thinkpad T60 T61 T400 T400S T410S T420S T430 T430S T500 R60 R61 R400 R500 W500 Series Laptop 51J0508 51J0507 42T4844 42T4845 10.8V 32Wh

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Battery type: Li-ion; Voltage: 10.8V; Capacity: 2.9Ah/32Wh
Compatible Models: Fit for Lenovo Thinkpad T Series, T400 T400S T410S T410SI T420S T430 T430S T500 Series
Replace Part Numbers: 45N1041 45N1040 0A36310 51J0508 51J0507 42T4844 42T4845 43 42 3ICP7/41/99 57Y4536 41U4890 40Y6787
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
For first use, please discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.

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Battery Type: Li-ion; Voltage: 10.8V; Capacity: 2.9Ah/32Wh; Color: Black

Compatible Machine Models:
Fit for Lenovo ThinkPad R60 R61 R61I
Fit for IBM R400 R500 T60 T60P T61
Fit for IBM T400 T400S T410S T410SI T420S T430 T430S T500
Fit for IBM W500 Z60M Z60T Z61
Fit for Lenovo ThinkPad X6 Ultrabase

Compatible Part Numbers:
45N1041 45N1040 0A36310 51J0508 51J0507 42T4844 42T4845 43 42 3ICP7/41/99

Note:
Please check if this battery is compatible with your computer before purchasing. If you are not sure for that, please contact us!

Additional Information
First Listed on Newegg	August 01, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by LionTech Direct Return Policy

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Item#: 9SIC85ZM3F3281