We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black lithium-ion laptop battery with label showing voltage and capacity

GOLDIX

GOLDIX L22D3P78 L22D3P77 L22C3P76 L22B3P73 laptop battery 11.7V 56.1Wh

SKU CH-239T-PBWVJ

Replacement lithium-ion battery delivering 11.7 V and 56.1 Wh for ThinkPad X1 Carbon 12th Gen and X1 2 in 1 Gen 9 laptops

  • Battery typeLithium-Ion
  • Battery voltage rating11.7 V
  • Battery capacity56.1 Wh
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor ThinkPad X1 Carbon 12th Gen 21KC 21KD / X1 2 in 1 Gen 9
  • Direct replacement for ThinkPad X1 Carbon 12th Gen 21KC 21KD
  • Powers ThinkPad X1 2 in 1 Gen 9 21KE 21KF models
  • 1 Wh lithium-ion cell delivers extended runtime
  • Matches original part numbers SB11H56284 5B11H56383 and others
  • Brand-new battery supplied in black finish

Replacement Battery for ThinkPad X1 Carbon 12th Gen

This 11.7 V lithium-ion pack delivers 56.1 Wh of capacity for ThinkPad X1 Carbon 12th Gen 21KC 21KD and X1 2 in 1 Gen 9 21KE 21KF laptops. It replaces original part numbers SB11H56284 through SB11H56287 and 5B11H56383 through 5B11H56386. The unit ships new in black.

Internal Cell Pack with OEM Mounting Points

The battery uses the same screw-hole pattern and connector orientation as the factory modules listed above. Four interchangeable part numbers — L22D3P78, L22D3P77, L22C3P76, L22B3P73 — share the form factor despite voltage differences, so the shipped unit will click into the existing bay without adapters.

Verify Original Part Number Before Ordering

Match the sticker on your current battery to one of the replace part numbers listed: SB11H56284, SB11H56285, SB11H56286, SB11H56287 or 5B11H56383 to 5B11H56386. The compatibility list is non-exhaustive; other ThinkPad models are not confirmed by the supplier.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 70% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameL22D3P78 L22D3P77 L22C3P76 L22B3P73
Model nameL22D3P78 L22D3P77 L22C3P76 L22B3P73
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.7 V
Battery capacity56.1 Wh
Compatibility
Compatible withFor ThinkPad X1 Carbon 12th Gen 21KC 21KD / X1 2 in 1 Gen 9 21KE 21KF Series

Questions about this item

Does the 11.7V rating match the original Lenovo part for the X1 Carbon 12th Gen 21KC 21KD?

Yes, the battery is rated at 11.7V and 56.1Wh, matching the electrical specification of the original Lenovo service parts for the X1 Carbon 12th Gen 21KC 21KD and X1 2 in 1 Gen 9 21KE 21KF series.

Will this pack fit the internal battery bay of a ThinkPad X1 Carbon 12th Gen 21KC without modification?

The battery is built to the same form factor as the Lenovo L22D3P78, L22D3P77, L22C3P76 and L22B3P73 packs, so it seats directly in the X1 Carbon 12th Gen 21KC 21KD and X1 2 in 1 Gen 9 21KE 21KF chassis with no adapters or trimming.

What is the correct screw-down sequence when installing this battery in an X1 Carbon 12th Gen 21KC?

After connecting the cable, lay the battery flat, start the two outer screws by hand to align the holes, then tighten them in a cross pattern to avoid warping the frame — the step most people skip is the initial hand-thread alignment.

More in Laptop Chargers & Batteries

Similar items