Battery for Lenovo Thinkpad T400 2764 7800 mAh 10.8 V Li-Ion: Amazon.de: Computer & Accessories
Lenovo T400 Battery for sale | eBay
Green Cell Standard Series 42T5225 Laptop Battery for Lenovo IBM ThinkPad T61 T400 R61 R61i R400 6 Cells 4400 mAh 10.8 V Black: Amazon.de: Computer & Accessories
MTXTEC Akku LiIon, 10.8V, 6600mAh für LENOVO ThinkPad T400 (6474), Hochkapazitätsakku Lithium-Ionen (LiIon) Notebook-Akku, 10.8 Volt, 6600 mAh | MediaMarkt
Laptop Battery 42T5225 for IBM Lenovo ThinkPad T61 R61 T400 R400 - Green Cell