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Lenovo 57Y4186 ThinkPad Battery 55++ (9 Cell)

  • 9 Cell Lithium-Ion
  • Compatible with Lenovo ThinkPad T410, T510, W510, L412, L512, Series notebooks and ThinkPad External Battery
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Stay unplugged longer with ThinkPad Battery 55+ and ThinkPad Battery 55++. These rechargeable batteries use Lithium-Ion (Li-Ion) technology and can be used as replacement for aging system batteries or as a convenient spare battery.

Learn more about the Lenovo 57Y4186



General Spec

Compatible with Lenovo ThinkPad T410, T510, W510, L412, L512, Series notebooks and ThinkPad External Battery
Battery Type
9 Cell Lithium-Ion

Physical spec

8.20" x 2.20" x 0.80"
1.10 lbs.


Lithium-Ion (Li-Ion) technology

Nine-cell, rechargeable system battery, 94Wh

Standard system battery specifications

Over-discharge protection

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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