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  Lenovo ThinkPad X1 Battery for 42T4939

Lenovo ThinkPad X1 Battery
Lenovo ThinkPad X1 Battery

List Price: $169.00
Our Price: $99.90

Availability:: Usually Ships in 24 Hours
Product Code:


Lenovo ThinkPad X1 Battery for Type 1286, 1291, 1293 and 1294

Get longer run times and improved laptop performance with a new replacement Lenovo ThinkPad X1 battery. The X1 laptop battery is 100% compatible with the original Lenovo battery specifications. Each battery is backed by a 1 year warranty and 30 day money back guarantee.

This battery is compatible with the Type 1286, 1291, 1293 and 1294 ThinkPad X1 UltraBook laptop models. The model number can be found on the bottom of your laptop next to "Type" followed by four digits. This battery is not compatible with the ThinkPad X1 carbon. If you have any questions about compatibility of help finding your battery, don't hesitate to call us. Chances are we've got it in stock!

There are 4 different X1 UltraBook Laptops and they all use a different battery. You can confirm that this is the correct battery by checking the type number listed on the bottom of your laptop chassis. Sometimes the type number is the first portion of your serial number. On some models the Type number will simply say Type follow by 4 numbers as listed below.

  • Brand:
  • Voltage:
  • Battery Capacity:
  • Battery Type:
  • Cell Origin:
  • Color:
  • Assembly Origin:
  • Warranty:
  • Guarantee:
  • Useful Life:
  • Xtend Lenovo battery
  • 14.8 Volts
  • 2.63 Ah or 39 Whr
  • 4 Cell Li-ion
  • Samsung (South Korea)
  • Black
  • Assembled in China
  • 1 Year Warranty
  • 30 day full satisfaction guarantee
  • 300-500 recharge cycles

Replaces these ThinkPad Model numbers:

Type 1286
Type 1291
Type 1293
Type 1294

Replaces these ThinkPad X1 battery part numbers:


You can expect about 4-5 hours of run time with this computer battery when new, depending on your energy use. It is possible to get much longer run time with this battery, however this requires setting your screen at a much dimmer setting and disabling wireless and other functions on your laptop that consume power.

Compatible Laptop Chargers:
Slim Tip AC adapter for Lenovo Laptops 20 Volts 4.5 Amps
Our Price: $49.00

AC adapter for Lenovo Slim Tip

Compatible with the following laptop models:

Lenovo Laptop Batteries > ThinkPad X1