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Rectangular black 3-cell lithium-ion laptop battery

NShi

NShi L18M4P73 laptop battery 11.55V 51Whr 4416mAh 3-cell for ThinkPad P14s T14 T490 T495

SKU CH-5RDK-348CF

A 3-cell lithium-ion replacement battery delivering 11.55V and 51Whr for compatible Lenovo ThinkPad models

  • ColorBlack
  • TypeBattery
  • Compatibility02DL007, 02DL008, 02DL009, 02DL010, 5B10W13877, 5B10W13905,
  • Battery Type3 Cell Lithium-Ion
  • Battery Voltage11.55V
  • Battery Capacity4416mah
  • Compatible with ThinkPad P14s, P43s, T14, T490 and T495
  • 55V 51Whr 4416mAh 3-cell lithium-ion delivers reliable runtime
  • Replaces OEM part numbers including 02DL007, 5B10W13877 and L18M4P73
  • CE, FCC and RoHS certified for electrical safety
  • New battery tested for correct voltage, circuit protection and low self-discharge

51 Wh 3-cell replacement battery

This 11.55 V lithium-ion pack replaces the original battery in Lenovo ThinkPad P14s, P43s, T14, T490 and T495 models. It delivers 4416 mAh capacity and 51 Wh energy rating for mobile professionals who need reliable power away from a desk. The unit is supplied new and carries CE, FCC and RoHS safety certifications.

Practical limits of a 3-cell lithium-ion design

A three-cell configuration caps maximum runtime compared with larger 4-cell or 6-cell packs that some ThinkPad chassis accept. Capacity will gradually decline with charge cycles and high-temperature storage, so heavy daily users should expect reduced autonomy after one to two years. The 11.55 V nominal voltage is fixed and cannot be altered to extend run time.

Straightforward swap with common pitfalls

Installation requires removing the bottom case screws, disconnecting the old pack and connecting the new one; no soldering or firmware update is needed. Common issues include forgetting to disable the internal battery in BIOS before opening the chassis, misaligning the connector, or leaving a screw loose and causing rattling. Buyers who need hot-swap capability or a higher-capacity 6-cell option should look elsewhere.

Highlights

  • Compatible with ThinkPad P14s, P43s, T14, T490 and T495
  • 55V 51Whr 4416mAh 3-cell lithium-ion delivers reliable runtime
  • Replaces OEM part numbers including 02DL007, 5B10W13877 and L18M4P73
  • CE, FCC and RoHS certified for electrical safety
  • New battery tested for correct voltage, circuit protection and low self-discharge

Specifications

BrandGreenTech
Model02DL007, 02DL008, 02DL009, 02DL010, 5B10W13877, 5B10W13905, 5B10W13906, 5B10W13907, 5B10W13908, 5B10W13954, L18C3P71, L18C3P72, L18L3P73, L18M3P73, L18M4P73, L18M4P74, SB10K97645, SB10K97646, SB10K97647, SB10K97648, SB10T83122, SB10T83197
ColorBlack
TypeBattery
Compatibility02DL007, 02DL008, 02DL009, 02DL010, 5B10W13877, 5B10W13905, 5B10W13906, 5B10W13907, 5B10W13908, 5B10W13954, L18C3P71, L18C3P72, L18L3P73, L18M3P73, L18M4P73, L18M4P74, SB10K97645, SB10K97646, SB10K97647, SB10K97648, SB10T83122, SB10T83197, Thinkpad P14s, P43s, T14, T490, T495
Battery Type3 Cell Lithium-Ion
Battery Voltage11.55V
Battery Capacity4416mah

Questions about this item

Which part number matches my ThinkPad T14 or P14s?

The battery replaces OEM numbers including 02DL007, 02DL008, 02DL009, 02DL010, 5B10W13877, 5B10W13905, 5B10W13906, 5B10W13907, 5B10W13908, 5B10W13954, L18C3P71, L18C3P72, L18L3P73, L18M3P73, L18M4P73, L18M4P74, SB10K97645, SB10K97646, SB10K97647, SB10K97648, SB10T83122 and SB10T83197.

What runtime does the 51 Wh rating give in a real laptop?

At 51 Wh the pack stores roughly the same energy as the original; actual runtime depends on the laptop's power draw, screen brightness and workload, but it restores the factory capacity for ThinkPad P14s, P43s, T14, T490 and T495 models.

Does the 11.55 V output work with the ThinkPad's charging circuit?

Yes, the 11.55 V nominal voltage matches the original specification for the listed ThinkPad models, so the system's charging controller and fuel gauge recognise it normally.

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