16v 4.5a 72w Universal Ac Adapter Battery Charger For Ibm Thinkpad T43 A31 X31 R40 T21 T41 T42 Laptop - Laptop Adapter - AliExpress
IBM ThinkPad T43 2668 LIB042 4400 mAh / 48Wh Notebook Battery - BattDepot United States
IBM - ThinkPad T43 Battery | Complete Battery Source
IBM ThinkPad T43 Battery,premium quality replacement battery for IBM ThinkPad T43 laptop (4400mAh,6 cells)
IBM ThinkPad T43 Battery Replacement - iFixit Repair Guide
Laptop 5200mah Battery For IBM ThinkPad T43 T43-1876 ASM 08K8192 FRU 08K8214 | eBay
My ThinkPad T43 After almost 15 year of Ownership still in Mint Condition like brand new with good factory battery. I just repasted and reinstalled it, Optimized as well. : r/thinkpad