LN-T440PX6 - BTI REPLACEMENT BATTERY FOR LENOVO THINKPAD L440, L540, T440P 6-CELLS REPLACES 45N11 Li-Ion, 10.8V, 5200mAh $200.38 $111.32
0C52864-BTI - BTI REPLACEMENT NOTEBOOK BATTERY FOR LENOVO THINKPAD L440 L540 T440P T540P W540 W541 Li-Ion, 8400 mAh, 10.8 V $307.80 $171.00
IBM-T440X6-V7 - V7 LENOVO THINKPAD T440P L440 L540 High-quality replacement notebook batteries from V7 are made from the highest-quality cells available and incorporate all of the standard logic boards, thermal protectors, thermistors, and circuit... $236.74 $131.52
0A36307-BTIV2 - BTI REPLACEMENT LITHIUM ION BATTERY FOR LENOVO THINKPAD X220, X230 9-CELLS REPLACES Li-Ion, 10.8V, 8400mAh $261.34 $145.19
LN-X230X9 - BTI REPLACEMENT LITHIUM ION BATTERY FOR LENOVO THINKPAD X220 X230 9-CELLS REPLACES 4 Li-Ion, 10.8V, 8400mAh $261.34 $145.19