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Black rectangular lithium-ion laptop battery with connector pins

KingSener

KingSener T470 L18M3P71 57WH 11.52V laptop battery

SKU CH-P77Z-8FW1H MPN T470

Replacement Li-ion battery delivering 57 Wh at 11.52 V for compatible Lenovo ThinkPad models

  • Battery voltage rating11.52 V
  • Battery capacity4,950 mAh/57WH
  • 57 Wh capacity extends runtime on compatible ThinkPad models
  • 52 V lithium‑ion chemistry delivers stable power output
  • Replaces part numbers L18M3P71, L18L3P71 and L20D3P71 for direct fit
  • 4950 mAh rated capacity matches original design specification
  • Brand‑new replacement battery with 100 % compatibility guarantee

Replacement battery for ThinkPad T590, P53S, T15.

This KingSener L18M3P71 battery replaces the original Lenovo units listed under part numbers L18L3P71, L20D3P71 and TP00104C. It delivers 11.52V and a rated capacity of 4950mAh (57WH) using three Li-ion cells. The pack is sold new and matches the physical dimensions of the factory battery for direct installation.

Who this suits and who should look elsewhere

It suits owners of the listed ThinkPad models who need a like-for-like replacement with the same voltage and capacity. Buyers whose laptops require a different voltage, a higher watt-hour rating, or a different connector layout will not be able to use this pack. Users wanting extended runtime beyond 57WH should consider higher-capacity alternatives if their chassis supports them.

Deciding specification — voltage and capacity match

The single figure that decides compatibility is the 11.52V / 57WH rating combined with the exact part-number cross-reference to L18M3P71, L18L3P71 and L20D3P71. If your original battery shows one of those part numbers and the same voltage, this unit will fit and function; otherwise it will not.

How it compares

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

Price $35.99
Pricier than about 64% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingSener
Model nameL18M3P71
Power
Battery voltage rating11.52 V
Battery capacity4,950 mAh/57WH

Questions about this item

How often should I cycle the 11.52V 57WH Li-ion pack to maintain its capacity?

Fully charge and discharge the battery from low current two or three times when new, then avoid keeping the adapter connected continuously while using the battery.

What is the first limit reached during sustained use of this 4950mAh replacement battery?

The pack delivers 57WH at 11.52V; once that stored energy is depleted the laptop will shut down or throttle until recharged.

Does the 3-cell KingSener battery generate noticeable heat or fan noise during all-day operation?

The battery itself has no moving parts and produces minimal heat; any warmth or fan activity comes from the laptop's own thermal management.

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