ThinkPad Battery 71+ (6-cell) (4X50K14089)\nThe 6-cell ThinkPad battery 71+ is a replacement/spare battery for L560 systems. The battery is rechargeable and can be used as a replacement or as a convenient spare for ThinkPad L560 systems. This battery is powered by Lithium-ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 48 watt hours* and utilises over-discharge protection to ensure a secure flow of power.\n*Many factors affect battery life. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences.Lithium-ion technology\n6 cell system battery\nOver-discharge protection to prolong the life of the battery\nBattery energy (Watt-hours): 48 Wh\nBattery Safeguard chip authenticates with Lenovo systems