Technical data: voltage: 10.8 volt capacity: 4400mAh / 48 Wh cell type: Li-ion brand: Patona The battery is suitable for the following models: Lenovo ThinkPad T470, Lenovo ThinkPad T570, Lenovo Thinkpad T480 Lenovo Think T570, Lenovo ThinkPad T580, Lenovo ThinkPad P51S Lenovo ThinkPad P52S Original name The Lenovo-Akkus This battery replaces the following battery types: Lenovo 4x50m08812- ThinkPad Battery 61 ++