Lenovo 18M3P71,L18L3P71,L18C3P71 / T590 LAPTOP BATTERY Capacity 57Wh / ~4950mAh Voltage 11.52V Cell Coun 3-Cell Cell Type Li-ion / Li-Polymer Color Black Compatible laptop Compatible with ThinkPad T590 (Type 20N4, 20N5) ThinkPad T15 Gen 1st Series ThinkPad P53s Series ThinkPad P15s 1st Gen Serie 3 Cell Laptop Battery