Product Id: 31294658
Description: Lenovo ThinkPad Battery 77+ - Notebook battery - 1 x lithium ion 6-cell 90 Wh - FRU, CRU - for ThinkPad P50 20EN, 20EQ; P51 20HH, 20HJ, 20MM
Mfr Part #: 4X50K14091
MSRP: $139.99The 6-cell ThinkPad battery 77+ is a replacement/spare battery for P50 system. The battery is rechargeable and can be used as replacement or as a convenient spare for mobile workstation ThinkPad P50 system. This battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 90 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.