Laptop Battery - designed for ThinkPad P51s, ThinkPad P51s 20HB, ThinkPad P51s 20HC, ThinkPad P51s 20JY, ThinkPad P51s 20K0, ThinkPad P52s, ThinkPad P52s 20LB, ThinkPad P52s 20LC, ThinkPad T570, ThinkPad T570 20H9, ThinkPad T570 20HA, ThinkPad T570 20JW, ThinkPad T570 20JX, ThinkPad T580, ThinkPad T580 20L9 and ThinkPad T580 20LA, Lithium-ion (Li-ion), 2 Ah