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OS
Lenovo 4X50K14091 ThinkPad Battery (6-cell, 90 Wh) 77+
Manufacturer: Lenovo
Mfg Number: 77+
UPC: 889955772916
SKU: 4X50K14091
Condition: New
Lenovo 4X50K14091 ThinkPad Battery (6-cell, 90 Wh) 77+
Battery SizeProprietary Battery Size
Battery RechargeableYes
Battery ChemistryLithium Ion (Li-Ion)
Product TypeNotebook Battery
Brand NameLenovo
ManufacturerLenovo Group Limited
Product Model77+
Product NameThinkPad Battery 77+ (6-cell, 90 Wh)
Product LineThinkPad
Manufacturer Part Number4X50K14091
Manufacturer Website Addresshttp://www.lenovo.com/us/en/
CompatibilityLenovo ThinkPad Mobile Workstation Models:
  • P50
  • P70
Height0.7"
Width8.1"
Depth2.3"
Weight (Approximate)1.04 lb
Limited Warranty1 Year
The 6-cell ThinkPad battery 77+ is a replacement/spare battery for P50 systems. The battery is rechargeable and can be used as a replacement or as a convenient spare for mobile workstation ThinkPad P50 systems. 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.Lithium-Ion (Li-Ion) technology 6 cell system battery Over-discharge protection to prolong the life of the battery Battery energy (Watt-hours): 90 Wh Battery Safeguard chip authenticates with Lenovo systems