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Compatible Laptop Battery Replaces lenovo 57Y4186

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57Y4186 Specifications
 Our ValueOEM Value
Manufacturer Premium PowerLenovo
Package height 8
Package length 8
Package width 8
Product weight 1.3 lbs
Technology Li-IonLi-ion
UPC 842740046104
UPC 842740046104

Compatible Laptop Battery Replaces lenovo 57Y4186

This new replacement laptop battery from eReplacements is 100% compatible with your lenovo thinkpadl420 78593Qx . eReplacements laptop batteries all come with a 1 year warranty and will meet or exceed the original lenovo thinkpadl420 78593Qx laptop battery specifications because they are manufactured for high performance in our ISO 9000 factories using the best quality cells and most up to date safety and engineering control standards:
  • High/low temperature shut off protection
  • Thermal runaway protection
  • Overcharge shut off protection
  • Over discharge shut off protection
  • Cell imbalance shut off protection
  • Fire resistant plastic casing
  • Manufactured using the most up to date TI BQ20Z chip set

Click here for a current SDS sheet on this Laptop Battery

Thousands of resellers, dealers and service companies over the years have trusted eReplacements to provide their customers with quality replacement laptop batteries.
Compatible Models
Lenovo ThinkPad E40Lenovo ThinkPad Edge14-inLenovo ThinkPad Edge15-in
Lenovo ThinkPad EdgeE40Lenovo ThinkPad EdgeE420Lenovo ThinkPad EdgeE50
Lenovo ThinkPad EdgeE520Lenovo ThinkPad L420Lenovo ThinkPad L520
Lenovo ThinkPad SL410Lenovo ThinkPad SL510Lenovo ThinkPad T410
Lenovo ThinkPad T410iLenovo ThinkPad T420Lenovo ThinkPad T420i
Lenovo ThinkPad T510iLenovo ThinkPad T520Lenovo ThinkPad T520i
Lenovo ThinkPad W510Lenovo ThinkPad W520Lenovo ThinkPad Edge 0578-47B
Lenovo ThinkPad Edge E520Lenovo ThinkPad Edge 14 0578-7UJLenovo ThinkPad Edge 14 0578-7VJ
Lenovo ThinkPad Edge 14 0578-7WJLenovo ThinkPad Edge 14 0578-7XJLenovo ThinkPad Edge 14 0578-7YJ
Lenovo ThinkPad Edge 15 301K7JLenovo ThinkPad Edge E420 1141-CTOLenovo ThinkPad Edge E420 1167-CTO
Lenovo ThinkPad Edge E420 1198-CTOLenovo ThinkPad Edge E420 E420Lenovo ThinkPad Edge E425 1141-CTO
Lenovo ThinkPad Edge E425 1167-CTOLenovo ThinkPad Edge E425 1198-CTOLenovo ThinkPad Edge E425 E425
Lenovo ThinkPad Edge E425 E520Lenovo ThinkPad Edge E425 E525Lenovo Thinkpad L410 2842-CTO
Lenovo Thinkpad L410 2847-CTOLenovo Thinkpad L410 2873-CTOLenovo Thinkpad L410 2874-CTO
Lenovo Thinkpad L410 2875-CTOLenovo Thinkpad L410 2931-CTOLenovo Thinkpad L410 L410
Lenovo Thinkpad L412 L412Lenovo Thinkpad L420 5015-36xLenovo Thinkpad L420 5015-37x
Lenovo Thinkpad L420 5015-3DxLenovo Thinkpad L420 5015-3ExLenovo Thinkpad L420 5015-CTO
Lenovo Thinkpad L420 5016-4FxLenovo Thinkpad L420 5016-4GxLenovo Thinkpad L420 5016-4Hx
Lenovo Thinkpad L420 5016-4JxLenovo Thinkpad L420 5016-5LxLenovo Thinkpad L420 5016-5Mx
Lenovo Thinkpad L420 5016-65xLenovo Thinkpad L420 5016-66xLenovo Thinkpad L420 5016-67x
Lenovo Thinkpad L420 5016-CTOLenovo Thinkpad L420 5017-4PxLenovo Thinkpad L420 5017-4Qx
Lenovo Thinkpad L420 5017-4RxLenovo Thinkpad L420 5017-4SxLenovo Thinkpad L420 5017-4Tx
Lenovo Thinkpad L420 5017-4UxLenovo Thinkpad L420 5017-4VxLenovo Thinkpad L420 5017-4Wx
Lenovo Thinkpad L420 5017-4XxLenovo Thinkpad L420 5017-CTOLenovo Thinkpad L420 5019-CTO
Lenovo Thinkpad L420 7826-3HxLenovo Thinkpad L420 7826-3JxLenovo Thinkpad L420 7826-3Kx
Lenovo Thinkpad L420 7826-3LxLenovo Thinkpad L420 7826-3MxLenovo Thinkpad L420 7826-3Nx
Lenovo Thinkpad L420 7826-3PxLenovo Thinkpad L420 7826-3QxLenovo Thinkpad L420 7826-45x
Lenovo Thinkpad L420 7826-46xLenovo Thinkpad L420 7826-47xLenovo Thinkpad L420 7826-48x
Lenovo Thinkpad L420 7826-49xLenovo Thinkpad L420 7826-4AxLenovo Thinkpad L420 7826-4Bx
Lenovo Thinkpad L420 7826-CTOLenovo Thinkpad L420 7827-4CxLenovo Thinkpad L420 7827-4Dx
Lenovo Thinkpad L420 7827-4ExLenovo Thinkpad L420 7827-5AxLenovo Thinkpad L420 7827-5Bx
Lenovo Thinkpad L420 7827-CTOLenovo Thinkpad L420 7829-4ZxLenovo Thinkpad L420 7829-53x
Lenovo Thinkpad L420 7829-54xLenovo Thinkpad L420 7829-58xLenovo Thinkpad L420 7829-59x
Lenovo Thinkpad L420 7829-5AxLenovo Thinkpad L420 7829-5BxLenovo Thinkpad L420 7829-5Cx
Lenovo Thinkpad L420 7829-5DxLenovo Thinkpad L420 7829-CTOLenovo Thinkpad L420 7853-CTO
Lenovo Thinkpad L420 7854-39xLenovo Thinkpad L420 7854-3AxLenovo Thinkpad L420 7854-3Bx
Lenovo Thinkpad L420 7854-3CxLenovo Thinkpad L420 7854-3DxLenovo Thinkpad L420 7854-3Ex
Lenovo Thinkpad L420 7854-3FxLenovo Thinkpad L420 7854-3GxLenovo Thinkpad L420 7854-3Hx
Lenovo Thinkpad L420 7854-3JxLenovo Thinkpad L420 7854-3KxLenovo Thinkpad L420 7854-3Lx
Lenovo Thinkpad L420 7854-3MxLenovo Thinkpad L420 7854-3NxLenovo Thinkpad L420 7854-3Px
Lenovo Thinkpad L420 7854-3QxLenovo Thinkpad L420 7854-3XxLenovo Thinkpad L420 7854-3Yx
Lenovo Thinkpad L420 7854-3ZxLenovo Thinkpad L420 7854-4GxLenovo Thinkpad L420 7854-4Hx
Lenovo Thinkpad L420 7854-4NxLenovo Thinkpad L420 7854-4PxLenovo Thinkpad L420 7854-4Qx
Lenovo Thinkpad L420 7854-4SxLenovo Thinkpad L420 7854-4TxLenovo Thinkpad L420 7854-CTO
Lenovo Thinkpad L420 7856-3GxLenovo Thinkpad L420 7856-3HxLenovo Thinkpad L420 7856-3Jx
Lenovo Thinkpad L420 7856-3KxLenovo Thinkpad L420 7856-3LxLenovo Thinkpad L420 7856-3Mx
Lenovo Thinkpad L420 7856-3WxLenovo Thinkpad L420 7856-CTOLenovo Thinkpad L420 7859-3Cx
Lenovo Thinkpad L420 7859-3DxLenovo Thinkpad L420 7859-3ExLenovo Thinkpad L420 7859-3Fx
Lenovo Thinkpad L420 7859-3GxLenovo Thinkpad L420 7859-3HxLenovo Thinkpad L420 7859-3Jx
Lenovo Thinkpad L420 7859-3KxLenovo Thinkpad L420 7859-3LxLenovo Thinkpad L420 7859-3Mx
Lenovo Thinkpad L420 7859-3NxLenovo Thinkpad L420 7859-3PxLenovo Thinkpad L420 7859-3Qx
Lenovo Thinkpad L420 7859-3RxLenovo Thinkpad L420 7859-3SxLenovo Thinkpad L420 7859-3Tx
Lenovo Thinkpad L420 7859-3ZxLenovo Thinkpad L420 7859-42xLenovo Thinkpad L420 7859-43x
Lenovo Thinkpad L420 7859-4FxLenovo Thinkpad L420 7859-4GxLenovo Thinkpad L420 7859-4Hx
Lenovo Thinkpad L420 7859-4NxLenovo Thinkpad L420 7859-4PxLenovo Thinkpad L420 7859-4Qx
Lenovo Thinkpad L420 7859-4RxLenovo Thinkpad L420 7859-4SxLenovo Thinkpad L420 7859-4Tx
Lenovo Thinkpad L420 7859-4UxLenovo Thinkpad L420 7859-4VxLenovo Thinkpad L420 7859-5Gx
Lenovo Thinkpad L420 7859-5HxLenovo Thinkpad L420 7859-5KxLenovo Thinkpad L420 7859-5Lx
Lenovo Thinkpad L420 7859-5MxLenovo Thinkpad L420 7859-5NxLenovo Thinkpad L420 7859-5Wx
Lenovo Thinkpad L420 7859-5XxLenovo Thinkpad L420 7859-5YxLenovo Thinkpad L420 7859-5Zx
Lenovo Thinkpad L420 7859-63xLenovo Thinkpad L420 7859-64xLenovo Thinkpad L420 7859-65x
Lenovo Thinkpad L420 7859-66xLenovo Thinkpad L420 7859-67xLenovo Thinkpad L420 7859-6Ax
Lenovo Thinkpad L420 7859-6ExLenovo Thinkpad L420 7859-6FxLenovo Thinkpad L420 7859-6Gx
Lenovo Thinkpad L420 7859-6HxLenovo Thinkpad L420 7859-6JxLenovo Thinkpad L420 7859-CTO
Lenovo Thinkpad L420 7860-3DxLenovo Thinkpad L420 7860-3HxLenovo Thinkpad L420 7860-3Jx
Lenovo Thinkpad L420 7860-CTOLenovo ThinkPad L421 L421Lenovo Thinkpad L510 2842-CTO
Lenovo Thinkpad L510 2847-CTOLenovo Thinkpad L510 2873-CTOLenovo Thinkpad L510 2874-CTO
Lenovo Thinkpad L510 2875-CTOLenovo Thinkpad L510 2931-CTOLenovo Thinkpad L510 L510
Lenovo ThinkPad L512 L512Lenovo Thinkpad L520 5015-36xLenovo Thinkpad L520 5015-37x
Lenovo Thinkpad L520 5015-3DxLenovo Thinkpad L520 5015-3ExLenovo Thinkpad L520 5015-CTO
Lenovo Thinkpad L520 5016-4FxLenovo Thinkpad L520 5016-4GxLenovo Thinkpad L520 5016-4Hx
Lenovo Thinkpad L520 5016-4JxLenovo Thinkpad L520 5016-5LxLenovo Thinkpad L520 5016-5Mx
Lenovo Thinkpad L520 5016-65xLenovo Thinkpad L520 5016-66xLenovo Thinkpad L520 5016-67x
Lenovo Thinkpad L520 5016-CTOLenovo Thinkpad L520 5017-4PxLenovo Thinkpad L520 5017-4Qx
Lenovo Thinkpad L520 5017-4RxLenovo Thinkpad L520 5017-4SxLenovo Thinkpad L520 5017-4Tx
Lenovo Thinkpad L520 5017-4UxLenovo Thinkpad L520 5017-4VxLenovo Thinkpad L520 5017-4Wx
Lenovo Thinkpad L520 5017-4XxLenovo Thinkpad L520 5017-CTOLenovo Thinkpad L520 5019-CTO
Lenovo Thinkpad L520 7287-4CxLenovo Thinkpad L520 7287-4ExLenovo Thinkpad L520 78-295Dx
Lenovo Thinkpad L520 7826-3HxLenovo Thinkpad L520 7826-3JxLenovo Thinkpad L520 7826-3Kx
Lenovo Thinkpad L520 7826-3LxLenovo Thinkpad L520 7826-3MxLenovo Thinkpad L520 7826-3Nx
Lenovo Thinkpad L520 7826-3PxLenovo Thinkpad L520 7826-3QxLenovo Thinkpad L520 7826-45x
Lenovo Thinkpad L520 7826-46xLenovo Thinkpad L520 7826-47xLenovo Thinkpad L520 7826-48x
Lenovo Thinkpad L520 7826-49xLenovo Thinkpad L520 7826-4AxLenovo Thinkpad L520 7826-4Bx
Lenovo Thinkpad L520 7826-CTOLenovo Thinkpad L520 7827-4DxLenovo Thinkpad L520 7827-5Ax
Lenovo Thinkpad L520 7827-5BxLenovo Thinkpad L520 7827-CTOLenovo Thinkpad L520 7829-4Zx
Lenovo Thinkpad L520 7829-53xLenovo Thinkpad L520 7829-54xLenovo Thinkpad L520 7829-58x
Lenovo Thinkpad L520 7829-59xLenovo Thinkpad L520 7829-5AxLenovo Thinkpad L520 7829-5Bx
Lenovo Thinkpad L520 7829-5CxLenovo Thinkpad L520 7829-CTOLenovo Thinkpad L520 7853-CTO
Lenovo Thinkpad L520 7854-39xLenovo Thinkpad L520 7854-3AxLenovo Thinkpad L520 7854-3Bx
Lenovo Thinkpad L520 7854-3CxLenovo Thinkpad L520 7854-3DxLenovo Thinkpad L520 7854-3Ex
Lenovo Thinkpad L520 7854-3FxLenovo Thinkpad L520 7854-3GxLenovo Thinkpad L520 7854-3Hx
Lenovo Thinkpad L520 7854-3JxLenovo Thinkpad L520 7854-3KxLenovo Thinkpad L520 7854-3Lx
Lenovo Thinkpad L520 7854-3MxLenovo Thinkpad L520 7854-3NxLenovo Thinkpad L520 7854-3Px
Lenovo Thinkpad L520 7854-3QxLenovo Thinkpad L520 7854-3XxLenovo Thinkpad L520 7854-3Yx
Lenovo Thinkpad L520 7854-3ZxLenovo Thinkpad L520 7854-4GxLenovo Thinkpad L520 7854-4Hx
Lenovo Thinkpad L520 7854-4NxLenovo Thinkpad L520 7854-4PxLenovo Thinkpad L520 7854-4Qx
Lenovo Thinkpad L520 7854-4SxLenovo Thinkpad L520 7854-4TxLenovo Thinkpad L520 7854-CTO
Lenovo Thinkpad L520 7856-3GxLenovo Thinkpad L520 7856-3HxLenovo Thinkpad L520 7856-3Jx
Lenovo Thinkpad L520 7856-3KxLenovo Thinkpad L520 7856-3LxLenovo Thinkpad L520 7856-3Mx
Lenovo Thinkpad L520 7856-3WxLenovo Thinkpad L520 7856-CTOLenovo Thinkpad L520 7859-3Cx
Lenovo Thinkpad L520 7859-3DxLenovo Thinkpad L520 7859-3ExLenovo Thinkpad L520 7859-3Fx
Lenovo Thinkpad L520 7859-3GxLenovo Thinkpad L520 7859-3HxLenovo Thinkpad L520 7859-3Jx
Lenovo Thinkpad L520 7859-3KxLenovo Thinkpad L520 7859-3LxLenovo Thinkpad L520 7859-3Mx
Lenovo Thinkpad L520 7859-3NxLenovo Thinkpad L520 7859-3PxLenovo Thinkpad L520 7859-3Qx
Lenovo Thinkpad L520 7859-3RxLenovo Thinkpad L520 7859-3SxLenovo Thinkpad L520 7859-3Tx
Lenovo Thinkpad L520 7859-3ZxLenovo Thinkpad L520 7859-42xLenovo Thinkpad L520 7859-43x
Lenovo Thinkpad L520 7859-4FxLenovo Thinkpad L520 7859-4GxLenovo Thinkpad L520 7859-4Hx
Lenovo Thinkpad L520 7859-4NxLenovo Thinkpad L520 7859-4PxLenovo Thinkpad L520 7859-4Qx
Lenovo Thinkpad L520 7859-4RxLenovo Thinkpad L520 7859-4SxLenovo Thinkpad L520 7859-4Tx
Lenovo Thinkpad L520 7859-4UxLenovo Thinkpad L520 7859-4VxLenovo Thinkpad L520 7859-5Gx
Lenovo Thinkpad L520 7859-5HxLenovo Thinkpad L520 7859-5KxLenovo Thinkpad L520 7859-5Lx
Lenovo Thinkpad L520 7859-5MxLenovo Thinkpad L520 7859-5NxLenovo Thinkpad L520 7859-5Wx
Lenovo Thinkpad L520 7859-5XxLenovo Thinkpad L520 7859-5YxLenovo Thinkpad L520 7859-5Zx
Lenovo Thinkpad L520 7859-63xLenovo Thinkpad L520 7859-64xLenovo Thinkpad L520 7859-65x
Lenovo Thinkpad L520 7859-66xLenovo Thinkpad L520 7859-67xLenovo Thinkpad L520 7859-6Ax
Lenovo Thinkpad L520 7859-6ExLenovo Thinkpad L520 7859-6FxLenovo Thinkpad L520 7859-6Gx
Lenovo Thinkpad L520 7859-6HxLenovo Thinkpad L520 7859-6JxLenovo Thinkpad L520 7859-CTO
Lenovo Thinkpad L520 7860-3DxLenovo Thinkpad L520 7860-3HxLenovo Thinkpad L520 7860-3Jx
Lenovo Thinkpad L520 7860-CTOLenovo Thinkpad L520 L520Lenovo ThinkPad SL410 2842
Lenovo ThinkPad SL410 2842-CTOLenovo ThinkPad SL410 2847-CTOLenovo ThinkPad SL410 2873-CTO
Lenovo ThinkPad SL410 2874Lenovo ThinkPad SL410 2874-CTOLenovo ThinkPad SL410 2875-CTO
Lenovo ThinkPad SL410 2931-CTOLenovo ThinkPad SL410 SL410Lenovo ThinkPad SL410k 2842
Lenovo ThinkPad SL510 2842-CTOLenovo ThinkPad SL510 2847Lenovo ThinkPad SL510 2847-CTO
Lenovo ThinkPad SL510 2847-RE4Lenovo ThinkPad SL510 2873-CTOLenovo ThinkPad SL510 2874-CTO
Lenovo ThinkPad SL510 2875Lenovo ThinkPad SL510 2875-CTOLenovo ThinkPad SL510 2931-CTO
Lenovo ThinkPad SL510 SL510Lenovo ThinkPad T410 T410Lenovo ThinkPad T410i T410i
Lenovo ThinkPad T420 T420Lenovo ThinkPad T420i T420iLenovo ThinkPad T510 T510
Lenovo ThinkPad T510i T510iLenovo ThinkPad T520 T520Lenovo ThinkPad T520i T520i
Lenovo ThinkPad W510 4389Lenovo ThinkPad W510 W510Lenovo ThinkPad W520 W520

Compatible Part Numbers
Lenovo 51J0500Lenovo 51J0500-ERLenovo 57Y4186
Lenovo 57Y4545-ERLenovo 57Y4545-TM

eReplacements Shipping Rates


We offer several ways to ship your product. Orders over $500 ship free via FedEx Ground or Freight. Your exact shipping rate will be calculated in the cart and is determined by weight and zone but following is a guideline for approximate shipping rates:

  • USPS: $2.00 - $5.00 (under 1 lb); $7.00 (under 3 lbs)
  • FedEx Ground: $10.00 (under 15 lbs)
  • FedEx 2Day: $15.00 (under 10 lbs)
  • FedEx Standard Overnight (4:00 p.m.): $25.00 (under 10 lbs)
  • FedEx Priority Overnight (10:00 a.m.): $35.00 (under 10 lbs)

Items shipped via FedEx Ground will arrive to your city from our Dallas warehouse according to the time in transit map below: