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Lenovo Thinkpad Battery 57++ (9 Cell) Item # 428175
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The 9-cell ThinkPad Battery 57++ extends the run time of the W541, T440p, T540p, W540, L440 and L540 systems. On average, the battery lasts for an incredible 100 watt hours. Each one is rechargeable and uses over-discharge protection to ensure power flows securely. Advanced Lithium-Ion (Li-Ion) technology is used to combine efficiency and performance, making this battery ideal for replacing aging systems or use as a convenient spare. Each one is safeguarded with a chip which authenticates with Lenovo systems.*Many factors cause battery life to differ. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences.
|battery type||lithium ion (Li-ion)|
|manufacturer||Lenovo Group Limited|