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Rectangular black lithium-ion laptop battery with label showing 45Wh 15.36V 4 cells

TOPKTEAM

TOPKTEAM L18C4PF3 45Wh laptop battery

SKU CH-QM7V-3YYVZ

Replacement lithium-ion battery rated 15.36V and 45Wh for Lenovo IdeaPad C340, Flex and S540 14-inch models

  • Battery TypeLithium-Ion
  • 45 Wh capacity powers compatible Lenovo laptops through a full workday
  • 36 V lithium-ion chemistry matches original Lenovo specifications exactly
  • Four-cell design balances runtime and weight for ultraportable models
  • Genuine OEM part replaces L18C4PF3 L18M4PF3 and related Lenovo numbers
  • 100 % compatibility verified for IdeaPad Flex 14 C340 S540 series

Direct replacement for Lenovo IdeaPad C340

This 15.36V lithium-ion battery delivers 45Wh capacity across four cells. It matches part numbers L18C4PF3, L18C4PF4, L18M4PF3 and L18M4PF4 for 100% compatibility. The unit is new, genuine OEM stock with grade A cells ready for immediate installation.

Verify your exact model number before ordering

Compatible machines include IdeaPad C340-14API, C340-14IML, C340-14IWL, Flex-14API, Flex-14IWL, Flex-14IML and S540-14 variants. Cross-reference the part number printed on your original battery against the list supplied. This pack will not fit laptops outside the listed series.

Typical thermal and power behaviour

Lithium-ion chemistry runs cool during normal charge and discharge cycles at 15.36V. No active cooling is required and acoustic noise is absent. The 45Wh rating supports standard mobile workloads; actual runtime varies with screen brightness, processor load and battery age.

Highlights

  • 45 Wh capacity powers compatible Lenovo laptops through a full workday
  • 36 V lithium-ion chemistry matches original Lenovo specifications exactly
  • Four-cell design balances runtime and weight for ultraportable models
  • Genuine OEM part replaces L18C4PF3 L18M4PF3 and related Lenovo numbers
  • 100 % compatibility verified for IdeaPad Flex 14 C340 S540 series

Specifications

Battery TypeLithium-Ion

Questions about this item

Does the TOPKTEAM L18C4PF3 battery include installation tools or must they be purchased separately?

The battery ships as a standalone 45Wh lithium-ion unit with 4 cells at 15.36V; no tools or accessories are included in the package.

Which part number should I choose among L18C4PF3, L18C4PF4, L18M4PF3 and L18M4PF4 for my Lenovo IdeaPad?

All four part numbers are listed as compatible replacements for the same 45Wh 15.36V battery; match the code printed on your original battery to select the correct variant.

What does the 45Wh rating mean for daily runtime on a Lenovo C340-14API?

The 45Wh capacity at 15.36V delivers the same energy as the original factory battery, providing comparable runtime for typical office and media tasks on supported IdeaPad models.

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