Lenovo Thinkpad Battery 57++ (9 cell)

Lenovo Thinkpad Battery 57++ (9 cell)
Key features
  • Lithium-ion (Li-ion) technology
  • 9-cell system battery
  • Over-discharge protection to prolong the life of the battery
  • Battery safeguard chip authenticates with Lenovo systems
Product codes

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Product Description


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 ageing systems or for 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.



Product Description
Lenovo ThinkPad Battery 57++ - laptop battery - Li-Ion - 100 Wh
Device Type
Laptop battery
485 g
Lithium Ion 9-cell - 100 Wh
Batteries Qty
Dimensions (WxDxH)
21.85 cm x 7.42 cm x 2.1 cm
Manufacturer Warranty
1 year warranty
Designed For
ThinkPad L440 20AS, 20AT; L540 20AU, 20AV; T440p 20AN, 20AW; T540p 20BE, 20BF; W540 20BG, 20BH; W541 20EF, 20EG

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Lenovo Thinkpad Batter...