Lenovo ThinkPad Battery 57+ - Notebook battery - lithium ion - 6-cell - 5200 mAh

The 6-cell ThinkPad battery 57+ is a replacement/spare battery for W541, W540, T440p, T540p, W540, L440 and L540 systems. The battery is rechargeable and can be used as replacement or as a convenient spare for several popular ThinkPad systems. This battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 57 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. Can be used multiple times, hence saving your money Solution for a battery that is about to expire, so you can replace it whenever needed 10.8 V DC battery - Powers your notebook safely Proprietary Battery Size battery size for better reliance and dependable usability 57 Wh battery energy for dependable, convenient usage 6 cells for maximum feasibility and added productivity 5200 mAh battery capacity allows longer, charged usage in a dependable manner with maximum feasibility Smaller and lighter than other rechargeable batteries, proving ideal for portable devices