20W AC Adapter
Lenovo Part# GX20K74302
Various Power Accessories – AC Adapter - 20 W Maximum Output Power - Notebook - 120 V AC Input Voltage - 230 V AC Input Voltage - 20 V DC Output Voltage - 1.2" Height - 1.5" Width - 3.3" Depth
ThinkPad 65W AC Adapter (slim tip)
Lenovo Part# 0A36258
Power Adapters – AC Adapter - Notebook - 110 V AC Input Voltage - 220 V AC Input Voltage - ENERGY STAR 5.0 - 45N0256 Compatible to OEM Part Number - China - 1.1" Height - 1.7" Width - 4.1" Depth - Lenovo ThinkPad T550
Battery Bo ThinkPad 57+
Lenovo Part# 0C52863
Various Power Accessories – Battery - Proprietary Battery Size - 5200 mAh Battery Capacity - Notebook - Lithium Ion (Li-Ion) - 57 Wh Battery Energy - Lenovo ThinkPad Notebooks: - L440 - L540 - T440p - T540p - 6 Cells - 10.8 V DC ...