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BTI

BTI 4X21J81436-BTI AC Adapter

$71.99
$51.05 SAVE $20.94
18 availableas of 09/02/2026

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Should arrive by Thu, Oct 1 with free ground shipping

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

BTI 4X21J81436-BTI 20V 65W AC ADAPTER COMPATIBLE WITH 4X21J81436, 5A10V03250, SA11B48989, A19-065N2A, 5A10V03238, SA10J20170, LENOVO THINKCENTRE M70Q, M75N, M90N, M60E, M60Q, M70Q, M80Q, M90Q

Technical specifications

General Information

Manufacturer Battery Technology, Inc
Manufacturer Part Number 4X21J81436-BTI
Manufacturer Website Address http://www.batterytech.com
Brand Name BTI
Product Model 4X21J81436-BTI
Product Name 4X21J81436-BTI AC Adapter
Product Type AC Adapter

Technical Information

Device Supported Desktop PC

Power Description

Output Voltage 20 V DC
Maximum Output Power 65 W
Maximum Output Current 3.25 A

Miscellaneous

Compatible to OEM Part Number
  • 5A10V03250
  • SA11B48989
  • A19-065N2A
  • 5A10V03238
  • SA10J20170
  • 4X21J81436
Compatibility

Replaces OEM:

  • 5A10V03250
  • SA11B48989
  • A19-065N2A
  • 5A10V03238
  • SA10J20170
  • 4X21J81436

Lenovo ThinkCentre Desktop PCs:

  • M70Q GEN 3 11T4
  • M75n 11BS
  • M75n 11BT
  • M75n 11BU
  • M75n 11BV
  • M75n 11BW
  • M75n 11BX
  • M75n 11G4
  • M75n 11G5
  • M75n 11G6
  • M75n 11G7
  • M75n 11GW
  • M75n 11GX
  • M90n-1 11AD
  • M90n-1 11AE
  • M90n-1 11AF
  • M90n-1 11AG
  • M90n-1 11AH
  • M90n-1 11AJ
  • M90n-1 11AK
  • M90n-1 11AM
  • M90n-1 11AS
  • M60e 11LU
  • M60e 11LV
  • M60e 11LW
  • M60e 11LX
  • M60e 11LY
  • M60e 11M0
  • M60e 11M1
  • M60e 11M2
TAA Compliant No

Warranty

Limited Warranty 24 Month

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.