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Black rectangular lithium-ion laptop battery, 51Wh

Beisite

Beisite L18M3P71 L18L3P71 L18S3P71 51Wh laptop battery

SKU CH-Z1KW-H5ZQX

51 Wh lithium-ion replacement battery for Lenovo ThinkPad T590, P53s and T15 Gen 1 models

  • Battery typeLithium-Ion
  • Battery voltage rating11.52 V /11.55 V / 11.58 V
  • Battery capacity51 Wh
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor ThinkPad T590 P53S T15 Series
  • 51Wh capacity powers long work sessions
  • Lithium-ion chemistry delivers reliable recharge cycles
  • 52V / 11.55V / 11.58V options match original specs
  • Replaces Lenovo part numbers 02DL010 02DL011 02DL012
  • Fits ThinkPad T590 P53S T15 series laptops

Replacement battery for ThinkPad T590 P53s T15

This 51Wh lithium-ion battery replaces Lenovo part numbers L18M3P71 L18L3P71 L18S3P71 02DL010 02DL011 02DL012 SB10K97649 SB10K97650 and 31CP5/88/70. It fits ThinkPad T590 P53s and T15 Gen 1 models. The cell voltage is rated at 11.52V 11.55V or 11.58V depending on the variant shipped. Supplied new in black.

Check your current part number before ordering

Verify the part number printed on your existing battery matches one of the listed replacements. The three variants L18M3P71 L18L3P71 L18S3P71 are cross-compatible but ship with different voltage ratings. Confirm your laptop model appears in the supported list such as ThinkPad T590 Type 20N5 P53s Type 20N6 or T15 Gen 1 Type 20S6 20S7.

Upgrades a depleted or failing original pack

If your original battery no longer holds charge or shows swelling this restores full runtime. The 51Wh capacity matches the factory specification so runtime returns to as-new levels. It is not a higher-capacity upgrade and will not extend usage beyond the original design. Buyers needing longer unplugged time should look for an extended-capacity pack instead.

How it compares

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

Price $33.99
Pricier than about 60% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameL18M3P71 L18L3P71 L18S3P71
Model nameL18M3P71 L18L3P71 L18S3P71
Part number31CP5/88/70
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.52 V /11.55 V / 11.58 V
Battery capacity51 Wh
Compatibility
Compatible withFor ThinkPad T590 P53S T15 Series

Questions about this item

Does the package include the battery only, or are tools and screws supplied for installation?

The battery ships as a single unit. No screwdrivers, opening tools or mounting screws are included, so keep the hardware from your original battery or source it separately.

The listing shows three part numbers — L18M3P71, L18L3P71 and L18S3P71 — with different voltages. Which one should I choose?

All three are interchangeable for the ThinkPad T590, P53s and T15 Gen 1 series. The supplier will send whichever is in stock at 11.52V, 11.55V or 11.58V.

What does the 51Wh rating actually deliver in a ThinkPad T590 or P53s under normal use?

It restores the original 51Wh capacity, giving roughly the same runtime you had when the laptop was new — typically several hours of office work per full charge.

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