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  Lenovo ThinkPad X1 Battery 42T4939

Lenovo ThinkPad X1 Battery

List Price: $169.00
Our Price: $129.90
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Lenovo ThinkPad X1 UltraBook Battery

This is the internal battery for the first generation Lenovo X1 Ultrabook. The second generation X1 laptop is called the X1 Carbon touch. If you have the Carbon Touch battery, you will find it here: (Lenovo X1 Carbon Touch Battery). This brand new Genuine Lenovo X1 laptop battery featuring lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty. This battery is internal to your laptop and will need to be installed.

  • Brand:
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  • 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

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.

Like all Li-ion primary batteries, your run time will decline over time.

This battery replaces the Lenovo ThinkPad X1 internal embedded laptop battery.

Replaces these many Lenovo laptop battery part numbers:


    For use with these Lenovo X1 Laptops:

    Type 1286
    Type 1291
    Type 1293
    Type 1294

Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.

Compatible AC Power Adapters designed for this product
AC adapter for IBM Laptops 20V-4.5A 90 watts 7.7mm-5.5mm Pin Inside connector
Our Price: $49.00

IBM thinkpad ac adapter power charger for R500 R60, R61, SL400, sl500 T60, t60p,T61, W500, X60, x60s,X61, Z60, z60t,z60m,Z61, z61t,X200 Lenovo 3000 C100, C200, N100, N200, V100, V200, Y100, N100

This battery & adapter are compatible with the following laptop models. If your battery or adapter part number is listed above, it will be compatible even if it is not listed below.

Lenovo Laptop Batteries > ThinkPad X1