"The 6-cell ThinkPad Battery 61+ is a replacement/spare battery for ThinkPad new T-series system. The battery is rechargeable and can be used as replacement or as a convenient spare for ThinkPad T470 & T570 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. Many factors affect battery life. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences." Battery: - Battery Technology: Zinc-Carbon (Zn-C) Features: - Product colour: Black - Type: Battery Other features: - Compatible products: ThinkPad T470/ThinkPad T570 - Number of batteries included: 1 Vendor information: - Brand Name: Lenovo - Warranty: 6 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Notebooks & Spare Parts - Product.Details.Specifications.Level3: Batteries