![BattPit: Laptop Battery Replacement for Lenovo ThinkPad T520 4239, 42T4710, 42T4714, 42T4755, 42T4763, 42T4921, 42T4927 - Walmart.com BattPit: Laptop Battery Replacement for Lenovo ThinkPad T520 4239, 42T4710, 42T4714, 42T4755, 42T4763, 42T4921, 42T4927 - Walmart.com](https://i5.walmartimages.com/asr/50eb0cfd-36ac-4d28-a8f6-1e28187d5a58_1.a2fb3fec4524713c23c1d5b95c4e2e5f.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
BattPit: Laptop Battery Replacement for Lenovo ThinkPad T520 4239, 42T4710, 42T4714, 42T4755, 42T4763, 42T4921, 42T4927 - Walmart.com
![My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad](https://i.redd.it/pl5gyw0zb7q91.jpg)
My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad
![Refurbished: Lenovo laptop grade "B" thinkpad t520 core i5 2520m( 2.5ghz) 4gb ddr3 ram 250gb hard drive graphics intel hd 3000 1366x768 display dvdrw good battery - Newegg.com Refurbished: Lenovo laptop grade "B" thinkpad t520 core i5 2520m( 2.5ghz) 4gb ddr3 ram 250gb hard drive graphics intel hd 3000 1366x768 display dvdrw good battery - Newegg.com](https://c1.neweggimages.com/ProductImage/A7HS_131300317835202280ATiy9nDPqq.jpg)
Refurbished: Lenovo laptop grade "B" thinkpad t520 core i5 2520m( 2.5ghz) 4gb ddr3 ram 250gb hard drive graphics intel hd 3000 1366x768 display dvdrw good battery - Newegg.com
![T430 Battery for Lenovo Thinkpad 70++ T410 T420 T510 T520 T530 T530I SL410 SL510 E420 E520 W510 W520 W530 45N1001 42T4733 42T4751 42T4752 42T4753 45N1000 42T4731 42T4235 42T4757 42T4755 T430 Battery for Lenovo Thinkpad 70++ T410 T420 T510 T520 T530 T530I SL410 SL510 E420 E520 W510 W520 W530 45N1001 42T4733 42T4751 42T4752 42T4753 45N1000 42T4731 42T4235 42T4757 42T4755](https://m.media-amazon.com/images/I/71oEJMGp7mL.jpg)