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Rectangular black laptop battery with label and connector visible

PISKEKAT

PISKEKAT L18L3P73 51Wh 11.55V 4372mAh 3-cell laptop battery

SKU CH-REME-1Y3VT MPN L18L3P73

51Wh 11.55V Li-ion replacement battery with installation tools for Lenovo ThinkPad T14 Gen 1 and Gen 2, T490, T495, P43S and P14s Gen 1

  • Battery TypeLaptop Batteries
  • Ready-to-install kit with matching tools included
  • 51 Wh capacity supports extended mobile work sessions
  • Up to 500 recharge cycles for long service life
  • Direct replacement for 02DL007 and related Lenovo part numbers
  • Fits ThinkPad T14 Gen 1, T14 Gen 2, T490, T495, P43S and P14s Gen 1

Replacement Battery for ThinkPad T14 Gen 1

This 51Wh lithium-ion pack replaces Lenovo part numbers including 02DL007 and SB10K97646 across ThinkPad T14 Gen 1, T14 Gen 2, T490, T495, P43S and P14s Gen 1 models. It delivers 11.55V from three cells rated at 4372mAh. The package includes the battery, a matching tool set and printed instructions. Buyers needing a higher-capacity 4-cell or 6-cell alternative cannot use this unit.

Sustained Output and Cycle Life

Rated for up to 500 recharge cycles, the cell chemistry maintains stable voltage during extended workloads rather than only brief bursts. The 11.55V nominal output supports consistent processor turbo behaviour throughout a typical workday. Users who require multi-day runtime without recharging will find the 51Wh capacity limiting compared to larger packs.

Build Quality and Installation

The battery ships new from the manufacturer with a dedicated tool kit that matches the internal screw pattern of the compatible ThinkPad chassis. Three-cell construction keeps the profile slim so the bottom cover seats flush without gaps. Technicians who prefer adhesive-free mounting will appreciate the screw-only retention, while those expecting pre-applied thermal pads or connector shields will not find them included.

Highlights

  • Ready-to-install kit with matching tools included
  • 51 Wh capacity supports extended mobile work sessions
  • Up to 500 recharge cycles for long service life
  • Direct replacement for 02DL007 and related Lenovo part numbers
  • Fits ThinkPad T14 Gen 1, T14 Gen 2, T490, T495, P43S and P14s Gen 1

Specifications

Battery TypeLaptop Batteries

Questions about this item

Does the 51Wh 11.55V Li-ion battery generate noticeable heat during all-day use?

The 3-cell 51Wh pack runs at normal laptop-battery temperatures; no extra heat is produced beyond what the ThinkPad thermal design already handles.

What tools must I already own to install this L18L3P73 battery?

None — the box includes a matching tool set and instructions, so no separate screwdrivers or spudgers are required.

Will this 51Wh replacement work in a ThinkPad T490 that originally shipped with a 48Wh pack?

Yes — the L18L3P73 is listed for T490 (types 20N2 20N3 20Q9 20QH 20RY 20RX) and fits the same chassis without modification.

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