• ThinkPad Battery 71+ (6 cell) (4X50K14089)The 6-cell ThinkPad battery 71+ is a replacement/spare battery for L560 system. The battery is rechargeable and can be used as replacement or as a convenient spare for ThinkPad L560 system. 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.Many factors affect battery life. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences. Lithium-ion technology6 cell system batteryOver-discharge protection to prolong the life of the batteryBattery energy (Watt-hours): 48WhBattery Safeguard chip authenticates with Lenovo systems