What battery does the Lenovo ThinkPad use?

Lenovo ThinkPad models use lithium-ion batteries rated from 7.4 to 15.4 V and from about 24 to 94 Wh, built as 3-cell or 4-cell packs. The right one depends on your exact model and year, since the line spans removable older packs and sealed internal newer ones. Common part numbers across the catalog include 5B10K97617, SB10K97620, and 5B10K97645. With 110 distinct part numbers covering roughly 2189 models, you should confirm your specific ThinkPad before choosing a battery.

How do I find the right battery for my Lenovo ThinkPad model?

Find the 10-character Machine Type Model (MTM) code printed on the bottom of the laptop (for example, a code like 20XW000UUS) and match it to the correct battery. You can also check the existing battery or service panel for a part number such as SB10K97617 or 121500146. Because the catalog holds 110 part numbers across about 2189 models, matching your exact MTM is the most reliable way to land on the correct pack the first time.

How much does a Lenovo ThinkPad replacement battery cost?

Lenovo ThinkPad replacement batteries in this catalog range from $34.99 to $98.99. Where your model falls depends on capacity and cell count, since packs run from about 24 to 94 Wh in 3-cell and 4-cell configurations. Smaller batteries for compact X Series machines tend toward the lower end, while higher-capacity packs for P Series workstations sit closer to the top. Match your exact model to see the price for the part you need.

Are Lenovo ThinkPad batteries interchangeable?

No, ThinkPad batteries are not broadly interchangeable. With 110 distinct part numbers covering roughly 2189 models and voltages ranging from 7.4 to 15.4 V, packs are shaped and rated for specific machines. For instance, a removable bridge-style pack from an older T440 will not fit a later T490s that uses an internal battery. Even within one sub-series, year and generation change the correct part, so always confirm your exact model and part number.

What differs between the Lenovo ThinkPad sub-series batteries?

The main differences are capacity, cell count, and whether the pack is removable or internal. T Series workhorses and P Series workstations often carry higher-capacity packs approaching 94 Wh, while compact X Series and X1 Carbon ultraportables use slimmer packs nearer the 24 Wh end. Older sub-series models frequently used removable packs, while post-2018 designs across the line moved to sealed internal batteries. Part numbers such as 5B10K97617 and SB10K97620 map to specific models, so match yours directly.

Where do I find the battery part number?

Look on the battery itself, where the part number is printed on a label (for example, SB10K97617 or 3ICP7/38/65). On removable packs, slide the battery out to read it. On sealed internal models, you can find the matching part by looking up the 10-character MTM code on the bottom of the laptop. The catalog covers 110 part numbers, so having the exact code or printed number ensures you pick the right one.

Can I replace the Lenovo ThinkPad battery myself?

Yes, most ThinkPad batteries are user-replaceable with basic tools. Older models with removable packs slide out with a latch and need no tools at all. Newer sealed models, such as those using part numbers like 5B10K97645, require removing the bottom cover with a screwdriver to reach the internal pack. Power down and disconnect the laptop first, then unscrew the base, unplug the battery connector, and seat the new pack. Match your exact model so the replacement fits correctly.

What are the signs the battery needs replacing?

Common signs include rapidly dropping charge, the laptop shutting off well above 0 percent, or the system staying powered only when plugged in. You may also notice the charge capacity reading far below the original rating, which for these packs runs from about 24 to 94 Wh. If runtime has fallen sharply or the battery no longer holds a charge, it is time for a replacement. Match your exact ThinkPad model, since part numbers vary across the 110 in this catalog.

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Lenovo ThinkPad Laptop Batteries

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Lenovo 00HW001 Battery for ThinkPad Yoga 14

Lenovo, Lenovo ThinkPad Laptop Batteries

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SKU: LN-Y14

Brand	Lenovo Compatible
Capacity	56.0Wh / 3785mAh
Part Number	00HW001

Lenovo 00HW008 Battery for ThinkPad Yoga 15 20DQ

Lenovo, Lenovo ThinkPad Laptop Batteries

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SKU: LN-00HW008

Brand	Lenovo Compatible
Capacity	67.0Wh / 4360mAh
Part Number	00HW008

Lenovo 00HW020 Battery for ThinkPad Yoga 460

Lenovo, Lenovo ThinkPad Laptop Batteries

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SKU: LN-P40

Voltage	11.4V
Brand	Lenovo Compatible
Capacity	53.0Wh / 4540mAh
Part Number	00HW020

Lenovo 00HW020 Replacement Battery for ThinkPad Yoga 460 and P40 Yoga

Lenovo ThinkPad Laptop Batteries

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SKU: LN-00HW020

Voltage	11.4V
Capacity	53Wh
Chemistry	Li-ion
Compatible Part Numbers	00HW020, 00HW021, 20DM, 20DM000VUS, 20EL, 20ELS039GE, 20ELS03A00, 20ELS03U00, 20EM, 20EM000QGE, 20EM000VGE, 20FY, 20FY0002US, 20G0, 20G1, 20GQ, 20GR, 3ICP6, 3ICP6/55/90, P40, SB10F46458, SB10F46459
Cells	3-Cell