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Black rectangular 3-cell lithium-ion laptop battery

GreenTechLLC

GreenTechLLC L18M3P71 laptop battery 11.52V 57Wh 3-cell for ThinkPad T590 P53S T15 P15S

SKU CH-X697-7J4MA

A 3-cell lithium-ion replacement battery delivering 11.52 V and 57 Wh for compatible ThinkPad T590, P53s, T15 and P15s models

  • ColorBlack
  • TypeBattery
  • CompatibilityLENOVO THINKPAD T590, T590 20N4, T590 20N5, P53S, P53S 20N6,
  • Battery Type3 Cell Lithium-Ion
  • Battery Voltage11.52V
  • Battery Capacity4950MAH
  • Compatible with ThinkPad T590, P53S, T15 and P15S models
  • 57 Wh capacity at 11.52 V powers extended work sessions
  • Three-cell lithium-ion design keeps the pack light
  • Replaces Lenovo part numbers including L18M3P71 and 02DL012
  • Tested for correct voltage, circuit protection and CE/FCC/RoHS compliance

57 Wh replacement battery for ThinkPad T590 and P53S

This 11.52 V lithium-ion pack delivers 57 Wh from three cells and replaces OEM part numbers such as L18M3P71 and 02DL012. It fits ThinkPad T590, P53S, T15 Gen 1, P15S Gen 1, T15 Gen 2 and P15S Gen 2 models. Buyers needing a higher-capacity pack or a different voltage should look elsewhere.

Thermals noise and power draw

The battery operates at the specified 11.52 V with a 4950 mAh rating, supplying stable current and low self-discharge during normal use. It produces no audible noise and adds no measurable heat beyond the laptop's own thermal design. No cooling or power-supply changes are required.

Bundled certifications and testing

Each unit is tested for correct voltage, circuit protection and compliance with CE, FCC and RoHS standards before shipment. The package contains only the battery itself; no tools, screws or software are included. The certifications confirm safety but do not alter the laptop's power management or charging behaviour.

Highlights

  • Compatible with ThinkPad T590, P53S, T15 and P15S models
  • 57 Wh capacity at 11.52 V powers extended work sessions
  • Three-cell lithium-ion design keeps the pack light
  • Replaces Lenovo part numbers including L18M3P71 and 02DL012
  • Tested for correct voltage, circuit protection and CE/FCC/RoHS compliance

Specifications

BrandGreenTech
ModelL18L3P71, L18M3P71, L20D3P71, SB10K97649, SB10K97650, SB10T83156, SB10T83157, SB10W51924, SB10W51930, SB10W51931, 02DL011, 02DL012, 5B10W13913, 5B10W13914, 5B10W51823, 5B10W51831, 5B10W51832
Part NumberL18L3P71, L18M3P71, L20D3P71, SB10K97649, SB10K97650, SB10T83156, SB10T83157, SB10W51924, SB10W51930, SB10W51931, 02DL011, 02DL012, 5B10W13913, 5B10W13914, 5B10W51823, 5B10W51831, 5B10W51832
ColorBlack
TypeBattery
CompatibilityLENOVO THINKPAD T590, T590 20N4, T590 20N5, P53S, P53S 20N6, P53S 20N7, T15 GEN 1, T15 20S6, T15 20S7, P15S GEN 1, P15S GEN 1 20T4, P15S GEN 1 20T5, T15 GEN 2, T15 GEN 2 20W4, T15 GEN 2 20W5, P15S GEN 2, P15S GEN 2 20W6, P15S GEN 2 20W7
Battery Type3 Cell Lithium-Ion
Battery Voltage11.52V
Battery Capacity4950MAH

Questions about this item

How do I install the L18M3P71 battery in my ThinkPad T590, and which step is often missed?

Power off the laptop, unplug the AC adapter, remove the bottom case screws, disconnect the old battery connector, fit the new 3-cell 11.52V pack, reconnect the cable firmly, then replace the case and screws before turning on.

What maintenance or replacement will this 57Wh lithium-ion battery need over time?

Expect gradual capacity loss after several hundred charge cycles; calibrate by fully charging, discharging to sleep, then charging again every few months, and replace the pack when runtime drops below your needs.

What limit appears first during sustained heavy use of this 4950mAh battery?

The 57Wh capacity sets the runtime ceiling; under continuous high load the pack will deplete faster and its voltage will sag toward the low-end cutoff, ending the session.

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