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Black rectangular lithium-polymer laptop battery with connector port

NShi

NShi L18C3PF7 laptop battery 11.25V 52.5Wh 4670mAh

SKU CH-H555-4G3G7 MPN L18C3PF7

Lithium-polymer replacement battery delivering 11.25V and 52.5Wh for select Ideapad Flex, S340 and C340 models

  • Battery TypeLithium Polymer
  • 25V 52.5Wh capacity powers compatible Ideapad models
  • 4670mAh lithium polymer cell delivers extended runtime
  • Replaces L18C3PF7 L18M3PF7 L18L3PF3 and related part numbers
  • Fits FLEX 15 S340 14 15 C340 15 series notebooks
  • CE FCC RoHS certified for safety compliance

Replacement battery for Lenovo Ideapad FLEX

This new lithium-polymer battery replaces part numbers L18C3PF7, L18M3PF7, L18L3PF3, L18C3PF6, L18M3PF6 and L18L3PF2. It fits Ideapad FLEX-15, S340-14, S340-15 and C340-15 models listed in the compatibility data. Buyers who need a different form factor or voltage should verify their original battery part number before ordering.

Thermals noise and power draw

As an internal laptop battery it produces no audible noise and adds no external heat beyond normal cell operation during charge and discharge. The pack delivers its rated 11.25V output through the original connector without requiring additional power adapters or cooling. Users who expect active cooling or fan headers will not find them on this component.

Capacity and voltage

The battery stores 52.5Wh at 4670mAh and operates at 11.25V, matching the electrical specification of the factory pack. This capacity determines runtime for the supported notebooks. Systems that require a higher watt-hour rating or a different voltage rail are not compatible with this unit.

Highlights

  • 25V 52.5Wh capacity powers compatible Ideapad models
  • 4670mAh lithium polymer cell delivers extended runtime
  • Replaces L18C3PF7 L18M3PF7 L18L3PF3 and related part numbers
  • Fits FLEX 15 S340 14 15 C340 15 series notebooks
  • CE FCC RoHS certified for safety compliance

Specifications

Battery TypeLithium Polymer

Questions about this item

How do I install the L18C3PF7 battery in my IdeaPad S340-15 and what step is often missed?

Power off the laptop, disconnect the AC adapter, remove the bottom case screws, detach the old battery connector, fit the new 11.25V 52.5Wh pack, reconnect the cable securely, and replace the case; the step often missed is reconnecting the battery cable before closing the chassis.

What maintenance or replacement will the 4670mAh lithium polymer battery need over time?

The battery is sealed and requires no user maintenance; replacement is needed once runtime drops below your needs, typically after several hundred full charge cycles as capacity fades gradually.

What limit appears first during sustained use of this 11.25V replacement pack?

The 52.5Wh capacity sets the runtime ceiling; under continuous load the pack will deplete to the low-voltage cutoff before any thermal or power-delivery limit is reached.

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