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Rectangular black lithium-ion laptop battery pack

KingSener

KingSener X121E laptop battery 11.1V 5.6Ah 63WH

SKU CH-VG8Z-BH7PQ MPN X121E

Replacement 11.1 V 5.6 Ah Li-ion battery fits ThinkPad E120, E125, E130, E135, E145, E320, E325, E330, E335 and L330

  • Battery Voltage11.1V
  • Battery Capacity5.6Ah/63WH
  • 63 Wh capacity extends unplugged work time
  • 1 V 5.6 Ah Li-ion cells deliver stable power
  • Compatible with ThinkPad E120 E125 E130 E135 E145 E320 E325 E330 E335 L330
  • Replaces Lenovo part numbers 42T4951 45N1058 45N1059 45N1176 45N1060
  • Brand-new replacement battery with one-year warranty

Voltage and capacity

This replacement laptop battery delivers 11.1V and 5.6Ah for a total of 63Wh of energy. It uses lithium-ion cells and matches the original dimensions for a direct fit. The unit is brand new and ready to install. It replaces a wide range of Lenovo part numbers.

ThinkPad E and L series owners

The battery fits Lenovo ThinkPad E120, E125, E130, E135, E145, E320, E325, E330, E335 and L330 models. It also covers X121E, X130E, X131E and X140E variants. Buyers with other laptop brands or newer ThinkPad generations should look elsewhere. Always verify the original part number before ordering.

63Wh energy rating

The 63Wh capacity determines how long the laptop runs on a single charge. It matches the design capacity of the original battery for comparable runtime. If your original battery shows a significantly different watt-hour rating, this unit may not be the correct match. Check the label on your old battery to confirm.

Highlights

  • 63 Wh capacity extends unplugged work time
  • 1 V 5.6 Ah Li-ion cells deliver stable power
  • Compatible with ThinkPad E120 E125 E130 E135 E145 E320 E325 E330 E335 L330
  • Replaces Lenovo part numbers 42T4951 45N1058 45N1059 45N1176 45N1060
  • Brand-new replacement battery with one-year warranty

Specifications

BrandKingSener
ModelX121E
Part Number42T4951 45N1058 45N1059 45N1176 45N1060
45N1063 45N1062 45N1057 45N1056 42T4947
42T4948 45N1174 45N1056 35+ 84+
Battery Voltage11.1V
Battery Capacity5.6Ah/63WH

Questions about this item

Does the KingSener X121E battery ship with any installation tools or cables, or must they be purchased separately?

The battery is a direct replacement that matches the original size and connector; no extra tools or cables are required for installation.

Which part number should I select if my ThinkPad uses the 45N1058 or 45N1059 original battery?

The X121E replaces both 45N1058 and 45N1059, along with the other listed part numbers, so a single version covers all those models.

What does the 63 Wh rating mean for daily runtime on a ThinkPad E330?

The 63 Wh capacity restores the original factory runtime, delivering the same full-charge operating time the laptop had when new.

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